channel left measurement schematic
merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:28 pm #2,761 2013-03-21 3:28 pm #2,761 channel left measurement schematic Attachments felipe 26 measurement.jpg 136 KB · Views: 266 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:28 pm #2,762 2013-03-21 3:28 pm #2,762 And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:29 pm #2,763 2013-03-21 3:29 pm #2,763 stajo said: And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? Click to expand... I have 100K pot, isn't enough? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:32 pm #2,764 2013-03-21 3:32 pm #2,764 Put one there and measure between grid pin and ground. Pot Wiper to ground or Grid Pin to ground, doesnt matter. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:40 pm #2,765 2013-03-21 3:40 pm #2,765 Done, have I to repeat the measurements? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
S stajo Member Joined 2011 Paid Member 2013-03-21 3:28 pm #2,762 2013-03-21 3:28 pm #2,762 And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:29 pm #2,763 2013-03-21 3:29 pm #2,763 stajo said: And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? Click to expand... I have 100K pot, isn't enough? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:32 pm #2,764 2013-03-21 3:32 pm #2,764 Put one there and measure between grid pin and ground. Pot Wiper to ground or Grid Pin to ground, doesnt matter. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:40 pm #2,765 2013-03-21 3:40 pm #2,765 Done, have I to repeat the measurements? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:29 pm #2,763 2013-03-21 3:29 pm #2,763 stajo said: And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? Click to expand... I have 100K pot, isn't enough? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:32 pm #2,764 2013-03-21 3:32 pm #2,764 Put one there and measure between grid pin and ground. Pot Wiper to ground or Grid Pin to ground, doesnt matter. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:40 pm #2,765 2013-03-21 3:40 pm #2,765 Done, have I to repeat the measurements? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
stajo said: And R1, 100 k grid leak resistor is there, measures 100 k and goes between grid pin and ground? Click to expand... I have 100K pot, isn't enough?
S stajo Member Joined 2011 Paid Member 2013-03-21 3:32 pm #2,764 2013-03-21 3:32 pm #2,764 Put one there and measure between grid pin and ground. Pot Wiper to ground or Grid Pin to ground, doesnt matter. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:40 pm #2,765 2013-03-21 3:40 pm #2,765 Done, have I to repeat the measurements? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
Put one there and measure between grid pin and ground. Pot Wiper to ground or Grid Pin to ground, doesnt matter.
merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:40 pm #2,765 2013-03-21 3:40 pm #2,765 Done, have I to repeat the measurements? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
S stajo Member Joined 2011 Paid Member 2013-03-21 3:48 pm #2,766 2013-03-21 3:48 pm #2,766 Otherwise we we wont know your grid-kathode bias, right? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:51 pm #2,767 2013-03-21 3:51 pm #2,767 new measurements Attachments felipe 26 measurement.jpg 135.8 KB · Views: 252 ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
S stajo Member Joined 2011 Paid Member 2013-03-21 3:54 pm #2,768 2013-03-21 3:54 pm #2,768 What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
What happended? Why did anode voltage go up to 175? Whats the value between pin 1 and 3, grid and cathode?
merlin el mago Member Joined 2009 Paid Member 2013-03-21 3:57 pm #2,769 2013-03-21 3:57 pm #2,769 Only opened the volume pot to have 100K, grid-cathode 10,90V ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
S stajo Member Joined 2011 Paid Member 2013-03-21 4:01 pm #2,770 2013-03-21 4:01 pm #2,770 Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then? ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
Aha, so you need a fixed grid-leak. Shall we tru to go down to 150 V on the anode and measure current again then?
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:03 pm #2,771 2013-03-21 4:03 pm #2,771 adjusting B+ to 150V with the volume pot? ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
S stajo Member Joined 2011 Paid Member 2013-03-21 4:04 pm #2,772 2013-03-21 4:04 pm #2,772 nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp Top Bottom
nonono, with adjusting the last filter R and a proper fixed grid leak resistor to hold grid to ground
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:08 pm #2,773 2013-03-21 4:08 pm #2,773 Wich value for the last filter R, grid leak resistor I have 110k and 12wich one? Last edited: 2013-03-21 4:12 pm ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp
S stajo Member Joined 2011 Paid Member 2013-03-21 4:17 pm #2,774 2013-03-21 4:17 pm #2,774 What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home Amplifiers Tubes / Valves #26 pre amp
What is your value now? If 4750 add like 2 k to that. You know the procedure now. Grid leak is ok any.
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:19 pm #2,775 2013-03-21 4:19 pm #2,775 OK ••• More options Share iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
iko Ex-Moderator Joined 2008 2013-03-21 4:37 pm #2,776 2013-03-21 4:37 pm #2,776 Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate.
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:41 pm #2,777 2013-03-21 4:41 pm #2,777 new measurement with last filter R 6K8 Attachments felipe 26 measurement.jpg 135.9 KB · Views: 247 ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:42 pm #2,778 2013-03-21 4:42 pm #2,778 ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko. ••• More options Share S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
ikoflexer said: Your circuit works fine now. Don't change anything except for the B+, which needs to be lower so that you measure 140-150V on the plate. Click to expand... Thanks Iko.
S stajo Member Joined 2011 Paid Member 2013-03-21 4:44 pm #2,779 2013-03-21 4:44 pm #2,779 We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right. ••• More options Share merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share Prev 1 … Go to page Go 137 138 139 140 141 … Go to page Go 273 Next First Prev 139 of 273 Go to page Go Next Last Show hidden low quality content You must log in or register to reply here.
We are closing up. Try 10 k. My PSUD from yesterday said 16k but I dont know if I had all your data right.
merlin el mago Member Joined 2009 Paid Member 2013-03-21 4:45 pm #2,780 2013-03-21 4:45 pm #2,780 OK ••• More options Share
