On Tue, 28 Mar 2006 09:09:02 GMT, Patrick Turner
wrote:



Arny Krueger wrote:

"Patrick Turner" wrote in message

Stewpid Oinkerton squealed....

I notice you fail to address the fact that the modern
BJT can be more linear *without feedback* than your
beloved DHTs. Surely a *true* 'ultrafidelista' would see
this as the Holy Grail of the 'silent' amplifier? Better
linearity and no humming heaters?

The fact is that the modern transistor must rely on NFB
for it to be acceptable in any way.

As do the vaccum-state devices that compare best to BJTs - pentodes.

Turner wants us to think that using BJTs with emitter resistors is a crime
of some kind.

I do not want this. Stop being an arsole by incorrectly stating what i want
readers to think.

I have designed built a considerable number of BJT based amplifiers. All rely
on NFB loops
to counter the terrible non-linearity of the BJTs with no NFB.

Try building KISASS - it uses a BJT which is *inherently* more linear
than a 3090B, the 2SC2922. No feedback required.....
--

Stewart Pinkerton | Music is Art - Audio is Engineering

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