[sdiy] germanium transistors

Antti Huovilainen ajhuovil at cc.hut.fi
Tue Jan 20 21:42:31 CET 2009


On Tue, 20 Jan 2009, Tom Wiltshire wrote:

> destroy them with heat, and they're so variable that the best way to get a 
> good sound is to test a few likely candidates in the circuit once it's built.

I don't think this is necessary. The bunch I bought years ago were either 
pretty close to the "best" values (gain 100..120, low leakage) or 
completely useless. I measured all and threw away the bad ones. The 
testing procedure is really simple (9V battery, two resistors and a DMM).

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova



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