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Do you have a full schematic? Unpleasant distortion can also be an earlier preamp stage, as a long tail can usually handle some pretty significant...
Couple of things may be going on here. For your grid voltage, what do you get if you probe the other end of the grid leak resistor, at the...
I had a bandmate with one of the old Stage series 2x12 solid state Fenders. Weighed easily as much as my BFSR, if not more, and it was all in the...
Deepest condolences. It's been about a year and a half since my yellow Lab passed, and I'm now to the point where I like browsing old photos and...
Put switch in middle position, see if it reads open to each outside lug. Put it in a suspected On position, check center to each outside lug....
I stick with metal film there because those two spots are the most critical for noise. Any distortion from carbon isn't going to affect a 100mV...
I have a 5E3 and a 5F6-A built with all carbon comps. There is a noticeable amount of white noise hiss at high settings, and I didn't realize how...
This is my answer. Stanley #7 jointer plane, dated to the late 1920s. Tuned well with a sharp blade, it'll easily flatten a tabletop and perfectly...
If you don't have perfectly milled lumber, it may not register properly to the saw's table and give you a slightly out of square cut. With a small...
Last year I turned this sixties Hammond AO-43 into this little Vox based amp.[ATTACH][ATTACH][ATTACH]
Talk you out of it? Go carry it up and down a flight of stairs a couple of times.
Well, let's add a simpler answer here. Tube design says screen current will vary under signal. The voltage swing seen, however, depends on the...
The rise in voltage above B+ in the OT is predicted and explained by Faraday's Law. The induced electromotive force (what we commonly refer to as...
+1 on the limiter. Very useful for amp work, and cheap to make. I wouldn't consider vintage tubes until the amp is dialed in completely,...
Some designs operate under sliding screen conditions, where the screen is allowed to sag under signal load. It's often done to limit screen...
