diyAudio Forums Archive > Top > Amplifiers > Chip Amps AD843 or OPA2604 for GC buffer? - Click HERE for Original Thread dw1narso Hi all (and especially carlosfm), I'm thinking to build a buffered IGC amp. Carlos' OPA627 buffer is on my list now. But I found that OPA627 is very expensive. Can I use AD843 instead of OPA 627? Carlos, I read that you say AD843 is a good replacement for OPA604. How about to use 2604 for GC buffer (since I have some 2604 on my stock)? Thanks, --- David

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