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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: biasing op-amp to Class A - ?

62.255.64.6

When I was tweaking my Marantz CD94 MKII and replacing the Op-amps (with OPA627s in single and dual format) , following expert advice I put 2.2mA constant current diodes between the output and the -tive supply to do just that. This along with cap replacements throughout has transformed the player.


Gerald


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