2. amps-preamps
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What do you think of this preamp design?

I've been on the hunt for a preamp and came across the Audio-gd C3 final version:

http://www.audio-gd.com/Pro/pre/C3End/C3endEN.htm

It comes with schematic of the signal section. Does it seem to be well executed? Any obvious or subtle design flaws? It has had some positive reviews by owners on the web.
dracule1
dracule1 OP
1,085 posts
 
No one?
atmasphere's avatar
atmasphere
11,953 posts
 
It looks overly complex... A very competent solid state line stage could easily be built with about 1/3 the components. The op-amp in the feedback loop looks to me like an outright design problem...

The ability to take a balanced or single-ended source is shared by all preamps with a differential input.
dracule1 OP
1,085 posts
 
Ralph, I saw that opamp in the feedback loop was puzzled because they claim they don't use any chip based opamps in their amps.
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