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In Reply to: RE: Marketing, plain and simple posted by Tre' on July 25, 2012 at 14:53:45:
in simplest definitions, yes, of course there is grid current during part of the waveform cycle with our amps, thus the Class A2 moniker. Seems to me I first heard about A2 with one of the Fisher amps from the '50s, the A-50 if I got it right.
And now there is also an A3 designation which, if I understand correctly, is the subject of an patent application. Not sorted out yet if it can apply to an OTL, nor am I at liberty to discuss the conditions of the A3 operation.
Krell has had a sliding bias system for some time. The patent they employ is one of the patents we have been careful to avoid. Their amplifier is also defined as class A. Since transistors operate with base current all the time, I think their amp is just simply termed 'class A'.
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Follow Ups
- class A - Ralph 16:01:31 07/25/12 (3)
- RE: class A - Tre' 16:59:47 07/25/12 (2)
- RE: class A - Ralph 09:45:06 07/26/12 (1)
- Got it. Thanks. (nt) - Tre' 17:01:40 07/26/12 (0)
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