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Amps and Effects Category



Amplifiers

Effects

Shared cathode bypass

Whats your take on shared cathode bypass cap and resistor, like how Fender ties the second triode of each channel in the blackface stuff I just......


understanding fet noise curves

Im looking at noise curves for the 2SK209 FET. (see below) They show lowest noise with ~10K signal source resistance. Im trying to understand......


Trace Elliot GP7 AH150 Power Amp Question

Hi all, used to be a member several years ago but lost access to my account so have just been lurking since but have been having trouble with a Trace......


OT question

Can an 8 ohm center tapped push pull OT be used to drive a single ended 4 ohm load...


Run a 6ca4 rectifier on a 5v/2a wind?

Has any one tried it Im in the planning stage, thinking of using a Hammond H300519 power xfmr (500v ct, 100 mA; 6.3v, 3A; 5v, 2A) . I want a......


Difference between 2 x EL84 and 4 x EL84 board architecture?

So I picked up a couple of these THD chassis. One was a 2 x EL84 model complete except it had an Australian PT. I swapped in another PT (actually one......


errors in The Ultimate Tone by K. O'Connor

I am studying Vol 3, and I find some errors. For example, in the Portaflex chapter he gets the 2K2 and 5K6 preamp cathode resistors reversed multiple......