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2nd June 2005, 07:09 PM
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#2 |
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diyAudio Member
Join Date: Dec 2003
Location: Toronto Canada
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well i am planning a similar thing but it is multiple TPA6120s
paralleling amplifiers. macboy has a circuit there you might start from. |
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2nd June 2005, 07:17 PM
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#3 |
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diyAudio Member
Join Date: Oct 2003
Location: The Netherlands
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Jan Meier designed an amp with multiple opamps in parallel. The special thing about this amp is that the output opamps have their outputs connected via different resistors to the power supply lines to create a kind of semi class A, with multiple breakpoints.
http://headwize.com/projects/showfil...meier3_prj.htm Steven
__________________
The Analog Art shows no sign of yielding to the Dodo's fate. The emergence and maturation of monolithic processing finesse has perhaps lagged a bit behind the growth of the Binary Business. But whereas digital precision is forever bounded by bits, there is no limit excepting Universal Hiss to the ultimate accuracy and functional variety of simple analog circuits. - Barry Gilbert, 1973 |
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2nd June 2005, 09:04 PM
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#4 |
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diyAudio Member
Join Date: Nov 2004
Location: home sweet home
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Steven,
thanks, thats exactly what I was looking for. I need working schematics to lean on, dont want to reinvent stuff. That classA operation of op amp is a great thing, I have done it on my riaa preamp with noticeable sonic improvement. Highly recommended. Neutron7, I have a large supply of good quality op's, so I have to stick to them, thanks for info anyway. ed |
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multiple op's amp
