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In Reply to: RE: That's a common idea but rare in practice! posted by John Elison on January 19, 2015 at 14:50:46:
You may not know this but we made the first balanced line preamps offered to high end audio (1989- the MP-1; complete with balanced differential phono section). We also made some of the first balanced amps (1985).
However, they are also fully differential, which IMO is the way to do it- less parts and better performance (lower noise, less distortion). I'm not saying the balanced amps are uncommon, just that balanced amps that are also not differential (two discrete signal paths) are.
Bridged amps are an exception. I have dealt with a few of them that have a balanced input that only works if the amp is in bridged mode. Their performance is really not good!
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Follow Ups
- There are plenty of fully balanced amps and preamps - Ralph 08:46:20 01/20/15 (2)
- RE: There are plenty of fully balanced amps and preamps - John Elison 10:48:34 01/20/15 (1)
- RE: There are plenty of fully balanced amps and preamps - Ralph 11:17:52 01/20/15 (0)