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Old 20th Jul 2020, 9:06 am   #33
AdrianH
Hexode
 
Join Date: Mar 2020
Location: Blackburn with Darwen, Lancashire, UK.
Posts: 367
Default Re: Hope to start an audio amp with CV415/CV4046/TT15

6AU6 or EF94, it's just I have the 91's to hand. I am not sure on gain, until I get the output transformer in place and test final voltage swing then it is difficult to say how I am doing. I have wired onto the grid resistors of the TT15 and with a 60mV p-p signal I am getting a 50 Volt p - p signal on the grids. But there will be some negative feedback added when the transformer is in place.

I am just playing try it and see but making a note of what others say as potential solutions.

Thanks for the offer.

Adrian
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