Hi Andrei,
can you get GE transistors somewhere? They are all dying (if they are not dead already). IMO - it is like fishing in the fog
if you want to get some. The 0.6V is Vbe(sat). You'll easily override the Vbe with any line level signal source.
Why is Vbe such important to you? Sry - i am only curious and ask for an opinion.
Transistors are current driven. My opinion is that it's more important to take a look on hfe, Noise figure and the saturation.
You could use j-Fets or MosFets (voltage controlled) if you like a "softer" and "warmer" sound. If you design them a bit
under the loadline you can achieve more even than odd harmonics (tube like). Or simply elevate the emitter to a level where
it slightly scratches the lower sin of the signal. It all depends a little bit on the design (or guessing and trying different values).
My personal opinion is - BJT transistors or Fets sound or act cold when you set them in a linear range. A little non-linearity
causes even / odd harmonics (THD) - depending on where the non-linearity is set.
Bunâ
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