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Back to the fuzzy spikes. So, I tried a few things. I lifted the grounds off the pots (I had a bus soldered across all of them) some of the...
What has been said already plus, maybe take a good look at your screen resistors or any others if they are carbon composition. Sometimes these...
I want to rewire the heaters on this amp with plenty of twists and using the Z axis like the old Fenders, tight corners, what wire would you...
Yes but its my doing. Its a DIY, my first from 17 years ago and I am moving the board around, leaving it floating, while I test out several mods,...
I decided to try it after reading it from valve wizard... I'll post a link to it later, internet is down right now. He says it acts as a perfect...
LED on V1b cathode Is getting better each time I play the guitar. I'm thinking its a keeper. I still need to compare to a new RC on the cathode....
That looks very nice. Looks like you took great care during the build. Yeah I just read what I wrote and had to look back up what I was...
Noticed I have some very high peaks on the corners of the output signal that I can dial out almost completely with Presence on full, gets worse as...
The resistor bypassed the LED, 1.86Vdc on the V1b Cathode. There was a bit more gain but even more highs were gone and it felt very stiff, the...
I know building comes with some anxiety but really you have nothing to worry about with that PT. It is built for 100 Watts. That means 100 on...
Yeah that is a good mod to have, bias balance control. If I had a 100w amp I would have the two sides balanced and then a balance between tubes...
It is not audio quackery. It is actually a safety function and there is a reason. See the notes here on this schematic from Marshall [IMG] for...
Yeah I get why people want to do that, resale value sticking with original parts. The solder is different though if you're trying to pass it as...
Perhaps carefully lift (in case you need to put it back) one of the currently installed ones and see if you can get the new one in there. If that...
Personally I think you are fine the way it is. I would set it for 17 watts instead of 17.5 watts so: 17/511=33.2mA which is very close to @JP2036...
