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In the Forum: Audio Discussions
In the Thread: Two-stages, hybrid, small, powerful class “A”?
Post Subject: Two-stages, hybrid, small, powerful class “A”?Posted by Romy the Cat on: 5/1/2006

I wonder if anyone make, commercially or otherwise, any (good sounding?) a two-stages classe “A” hybrid running 100-200W into 8Ohm, with no feedback?  AcousticPlan looks like tried to do something but their amp is just 50W and it looks they have no good driver for the first stage. Lamm did M1.1, good class A hybrid, quite powerful but with 4533 unnecessary stages. Hawk Audio does a little 50 watter with SRPP driving MOSFETs… I wonder why there is not a lot two-stages class “A” powerful amps out there?

I have my interest to ask, as Dima and I are very slowly working on a concept of a Super Zarathustra - a powerful 200-250W, pure class A, super-small size (!), two-stages amp with no feedback. I would like to learn what practice out there exists regarding the packaging of those type amplifiers. I have seen a few solutions but I violently do not like any of them. I wonder of anyone else might propose something else inspiring….

Rgs,
Romy the caT

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