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Trying to help a friend with his Marshall after it started red-plating and blew a fuse. He purchased a new matched quad of EL34Bs to see if the...
Ok, so I'm pretty positive I did this properly but I need a second, third, and so on set of eyes. New cap is grounded on the opposite tabs under...
Very cool, thanks for the thoughts and recommendations! The amp is functional at the moment and has a hum that goes away after playing for a few...
Heaters twisted with a CT. I'm going to do the simplest, back to stock 40/20/20 and proper grounded cable and go from there. I'm trusting it just...
I’m with you, but I don’t have a certain reference point for “like for like” since the can cap is a replacement and I can’t find an exact...
Trying to return this Sano 160 to stock, as well as make it safer, for a guy and found there's some curious, and heavy, filtering with an...
Very cool! Mine is in my rehearsal space but I'll bring it home and tinker with it some more when I can. It currently has a V30 but I found in a...
But what kind of relaxing smoke? :P
Tried various tubes, so I think I can safely rule that out. Wished I'd realized the opto was questionable before my last parts order.
Here's how the old dog house is looking now! [IMG]
Got the AB668 circuit up and running and the whole thing generally sounds pretty dang good - I like it a lot! Doesn't get too loose, like a DR,...
After spending more time with this, I really like it. Not that I didn’t initially like it, but after putting it through its paces I have a better...
Can anyone edu-ma-cate me on the impact of the different bias resistor values on the board between AB568 - 1K, AB668 - 2K7, AB763 - 470Ω?
