Germanium Transistor Audio Amplifier

10 w audio amplifier with germanium transistors. And remember that germanium transistors must work at lower temperature.

Germanium Pnp Transistor Audio Frequency Power Amplifier

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Germanium And Silicon Transistor Output Stage Audio Amplifier

Page 1 2 fender schematics 2 w audio amplifier with pa 237.

Germanium transistor audio amplifier. Germanium output stage it seems that the germanium transistors that are the easiest to get around here these days if not around the world are the ac188 and ac187. The nte158 is a germanium pnp triode transistor in a to1 type package designed for low power large signal audio applications. 10 w audio amplifier.

16 w audio amplifier. The info i found on internet mentions that these devices would be directed for output stages of amplifiers specifically in an ab push pull configuration. I still use almost every day.

Why is germanium considered better than silicium for audio applications. Yes they were lighter and cheaper per watt than the thermionic hulks we loved so much but they broke all the time thanks to the germanium transistor and sounded likewell let j. Vintage audio amplifier schematics.

5 w audio amplifier with ic 10. Those of us who cut our engineering teeth on tubes still remember the advent of the solid state amplifier with mixed feelings. 60 years my germanium first amplifier.

Electronics projects germanium transistor amplifier circuit audio amplifier circuits transistor amplifier date 20160422 once ad161 ad162 i had an experiment with pair. The trouble with designing for germanium transistors is youre always coming up against a brick wall legended in best spray can graffiti style cant do it wont go high enough. Gordon holt tell us what they sounded like in an as we see it.

5 w audio amplifier with pa 246. Most of this parameters probably explains why a germanium transistor based audio power amplifier based on the ad 149 pnp output transistor that is properly heat sinked to produce a healthy 10 watts in single ended configuration can easily perform with a sound quality much closer to that of a zero feedback single ended triode set vacuum tube power amplifier based on the iconic 300b or 2a3 tube in comparison to its silicon based bipolar junction transistor and or mosfet counterpart. The basic problem is germanium transistors were are crap.

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