"Eeyore" wrote in message
...
:
:
: Arny Krueger wrote:
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: "Eeyore" wrote
: Arny Krueger wrote:
: "Eeyore" wrote
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: I'm concerned about the transconductance 'modulation'
: with signal level since this introduces non-linearity.
:
: Again, covered in
:
http://www.dself.dsl.pipex.com/ampins/dipa/dipa.htm
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: Which is what I'm designing out.
:
: Although I'd hoped this thread might be more about any
: audible benefits of Class A rather than a discussion of
: design principles ( I'm quite au-fait with those ! ).
:
: Like I said before, I've never done any DBTs involving Class-A amps. This is
: partially because I've never seen a true Class A amp that was capable of
: interesting power levels, in real life.
:
the Manley 500 W monoblocks, using 10 KT90's, do 275 W in triode mode,
500W in penthode mode, presumably very substantially class A
it *does* use a staged power switch on
at steal at about 150 USD/kilo
hehe
(over on RAT, Patrick Turner reported working on a 6*GM70 design,
that could definitely do 100 % class A all the way to 275 W
Rudy
: Fair enough.
:
: I've heard enough positive comment on them to pursue my line of thinking on the
: matter already btw.
:
: Graham
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