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19th November 2003, 06:29 PM
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diyAudio Member
Join Date: Sep 2002
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Chipamps and distortion
Thinking about building a bunch of "gainclones" to quadamp a speaker pair. Tried LM3886 quick and dirty some time ago and I´m hungry for more.
Is the smaller LM chips really better sounding than 3886? Something reaaally interesting looking at the various schematics at Nationals applications of the LM3886 is that the distortion is much lower on the bridged and paralleled bridged circuit compared to the simple parallel. Worth to notice also is both the bridged versions are running the other half of the amp inverted... making me think the dist. would be even lower if all chips were driven non-inverted and fed by a balanced source. Any comments? Anyone tried to run smaller chips in bridged mode? /Peter |
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