Class "A" ultra-linear amplifier. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Class A ultralinear amplifier. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Transistor power amplifiers

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Author: A. Shikhatov; Publication: bluesmobile.com/shikhman

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Comments on the article:

Vadim
In my youth, I collected this amp, and I still remember its transparency. The power is not great, but the quality ... The other day I decided to repeat the assembly of this amp. You can listen without a tone block. Much better than on all low-power TDAs. Who will collect - will not regret. [up]

a guest
I join! [up] I recommend it to everyone.

Alexander
I collected this amplifier but I can not set it up. If you turn R2 sharply, then the sound breaks through. What could be the problem?

Alexander
Collected on KT203, KT630 and TTC5200. Perfectly shakes low sensitive Dynaudio Excite X12. When replacing VT1 with germanium GT320B, the overall sound balance shifts to the top, at high frequencies it becomes over detailed, every rustle and breath is heard.

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