Here is a pic of the waveform.
seankane Member Joined 2010 2012-12-01 5:49 am #41 2012-12-01 5:49 am #41 Here is a pic of the waveform. Attachments 800.2 output 001.jpg 714.1 KB · Views: 51 ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 5:59 am #42 2012-12-01 5:59 am #42 Is this with a speaker load? Is the crossover set to flat? ••• More options Share seankane Member Joined 2010 2012-12-01 6:04 am #43 2012-12-01 6:04 am #43 x-over full range No speaker load ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:06 am #44 2012-12-01 6:06 am #44 Try it with a speaker load and with the channel properly biased (or as close as you can get it without overheating the outputs). ••• More options Share seankane Member Joined 2010 2012-12-01 6:12 am #45 2012-12-01 6:12 am #45 Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 5:59 am #42 2012-12-01 5:59 am #42 Is this with a speaker load? Is the crossover set to flat? ••• More options Share seankane Member Joined 2010 2012-12-01 6:04 am #43 2012-12-01 6:04 am #43 x-over full range No speaker load ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:06 am #44 2012-12-01 6:06 am #44 Try it with a speaker load and with the channel properly biased (or as close as you can get it without overheating the outputs). ••• More options Share seankane Member Joined 2010 2012-12-01 6:12 am #45 2012-12-01 6:12 am #45 Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
seankane Member Joined 2010 2012-12-01 6:04 am #43 2012-12-01 6:04 am #43 x-over full range No speaker load ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:06 am #44 2012-12-01 6:06 am #44 Try it with a speaker load and with the channel properly biased (or as close as you can get it without overheating the outputs). ••• More options Share seankane Member Joined 2010 2012-12-01 6:12 am #45 2012-12-01 6:12 am #45 Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:06 am #44 2012-12-01 6:06 am #44 Try it with a speaker load and with the channel properly biased (or as close as you can get it without overheating the outputs). ••• More options Share seankane Member Joined 2010 2012-12-01 6:12 am #45 2012-12-01 6:12 am #45 Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
Try it with a speaker load and with the channel properly biased (or as close as you can get it without overheating the outputs).
seankane Member Joined 2010 2012-12-01 6:12 am #45 2012-12-01 6:12 am #45 Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
Niether channel will bias and the amp produces no sound as if it is muted. Not one single sound when you hook up a speaker from either channel.
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:33 am #46 2012-12-01 6:33 am #46 If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel? ••• More options Share seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
If you still have parts out of the 300 series channel, replace then and re-check. Do you still have the outputs out of the 200 series channel?
seankane Member Joined 2010 2012-12-01 6:36 am #47 2012-12-01 6:36 am #47 ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back. ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
ALL the outputs are in the amp as well as ALL the gate resistors and ALL the source resistors. The only parts removed are Q206, Q207, Q306, Q307 and if these are re-installed with new parts the pulsing comes back.
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 6:40 am #48 2012-12-01 6:40 am #48 I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse? ••• More options Share seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
I missed the part where you installed the 200 series parts. That's why I was confused as to why removing Q206/7 changed anything. If you leave 206/7 out and reinstall 306/7 does it pulse?
seankane Member Joined 2010 2012-12-01 6:46 am #49 2012-12-01 6:46 am #49 Yes ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:07 am #50 2012-12-01 7:07 am #50 Short the bias transistor again to see if the pulsing stops. ••• More options Share seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
seankane Member Joined 2010 2012-12-01 7:09 am #51 2012-12-01 7:09 am #51 It stops the pulsing shorted from e-c ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:14 am #52 2012-12-01 7:14 am #52 Does it now produce clean audio in that channel? ••• More options Share seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2 Top Bottom
seankane Member Joined 2010 2012-12-01 7:18 am #53 2012-12-01 7:18 am #53 YES! ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:24 am #54 2012-12-01 7:24 am #54 OK. Remove and check the bias transistor. If it's OK, confirm that the bias pot is OK. ••• More options Share seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Home General Interest Car Audio Rockford Fosgate Punch 800.2
seankane Member Joined 2010 2012-12-01 7:27 am #55 2012-12-01 7:27 am #55 The bias transistor is good how do I check the bias pot? ••• More options Share seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
seankane Member Joined 2010 2012-12-01 7:38 am #56 2012-12-01 7:38 am #56 I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio? ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
I removed both pots and both biasing transistors for testing, with all 4 removed the pulsing is back.....what gives?? Why shorting the bias transistor eliminates the problem and produces audio?
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:39 am #57 2012-12-01 7:39 am #57 If you center it, do you read about 1k to each outer leg from the wiper terminal? ••• More options Share seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
seankane Member Joined 2010 2012-12-01 7:40 am #58 2012-12-01 7:40 am #58 please read post #56 I will test them in the meantime ••• More options Share P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
P Perry Babin Member Joined 2003 bcae1.com 2012-12-01 7:40 am #59 2012-12-01 7:40 am #59 You can't power up the amp without the bias transistor unless the jumper is between the CE pads. ••• More options Share seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share Prev 1 2 3 4 5 6 Next First Prev 3 of 6 Go to page Go Next Last Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
seankane Member Joined 2010 2012-12-01 7:44 am #60 2012-12-01 7:44 am #60 Both pots are removed and test at 9K each side. Can the amp be safely powered with the pots removed? ••• More options Share
