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Old 18th Apr 2021, 12:05 am   #26
Jez1234
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Join Date: Mar 2021
Location: Morpeth, Northumberland, UK.
Posts: 936
Default Re: Single ended Class A OP stages.

Self's definition of class B and class A/B differs from most....

The Blomley amp, in the versions I know of anyway, was not current output. AFAIK it was never implemented commercially. It kind of moved the need for precision in set up to an earlier stage, which pretty much defeated the object. Walker and Albinson's current dumping concept nailed it on that one I reckon!

IMHO class A push pull is still the non plus ultra for sound quality, though admittedly the vast extra cost, weight and heat are (literally!) a huge price to pay for the degree of improvement compared to the very best A/B models. If you really want the best though...

Of course most of the legendary <30W valve hi fi amps from the likes of Leak, Radford, The Williamson Amplifier etc etc were class A or class A for the majority of their output!
Valve sound quality? Or class A sound quality?
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