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Old 11th April 2013, 04:00 PM   #1661
Salas is offline Salas  Greece
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Quote:
Originally Posted by buzzforb View Post
Is that considered wideband
1.5MHz on half vol pot is not narrow band either.
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Old 11th April 2013, 04:04 PM   #1662
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Was being sarcastic of course. I bloody love it. cant wait to listen to it with my new toy.
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Old 11th April 2013, 04:05 PM   #1663
stajo is offline stajo  Sweden
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So what is the judgement on the audioband frecuency? Normal?
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Old 11th April 2013, 04:08 PM   #1664
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Salas the line preamp can work with B+ 300VDC or max 310VDC?
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Old 11th April 2013, 04:15 PM   #1665
Salas is offline Salas  Greece
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So what is the judgement on the audioband frecuency? Normal?
What vol pot value you use? How much is it when at half position? That is in series with the grid and helps answering about the BW measurements.
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Old 11th April 2013, 04:17 PM   #1666
stajo is offline stajo  Sweden
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Originally Posted by merlin el mago View Post
Salas the line preamp can work with B+ 300VDC or max 310VDC?
I run my cathode follower on 250, it worx. Anodefollower need that and the v-drop over anoderesistor/choke/whatever. Then its a matter of taste. Vgeorge runs lower and is happy I think
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Old 11th April 2013, 04:26 PM   #1667
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I run my cathode follower on 250, it worx. Anodefollower need that and the v-drop over anoderesistor/choke/whatever. Then its a matter of taste. Vgeorge runs lower and is happy I think
Wich gain have your cathode follower?
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Old 11th April 2013, 04:26 PM   #1668
stajo is offline stajo  Sweden
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What vol pot value you use? How much is it when at half position? That is in series with the grid and helps answering about the BW measurements.
100 k log that measures 106,6 on 12th step if 21. The relation measures 5,46/100,1.. well in the region
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Old 11th April 2013, 04:27 PM   #1669
Salas is offline Salas  Greece
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Originally Posted by merlin el mago View Post
Salas the line preamp can work with B+ 300VDC or max 310VDC?
Yes but use 6k8 10w anode resistor.
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Old 11th April 2013, 04:28 PM   #1670
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100 k log that measures 106,6 on twelfed step relation measures 5,46/100,1.. well in the region
How much is it to wiper at half position?
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