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Old 4th June 2007, 07:50 PM   #1
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Keruskerfuerst's Avatar
Join Date: May 2007
Location: Germany
Default Opamp for active crossover

I have a 24dB/oct LPF/HPF crossover for my speakers.

Actually I am using BB OPA134PA. As a input stage I am using BB OPA627AP.

Do AD825/AD8620 or LM4562 sound better than BB OPA134PA?
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Old 7th June 2007, 06:50 PM   #2
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Join Date: Dec 2003
Location: Orange County, CA
Default Op-Amps

Yes they will except for the times they don't.

Really, whether one op-amp sounds better than another is a matter of taste. When we ship car amps to some Asian markets, we found some people there swear that JRC4559s sound better than anything else. I think they are horrid myself. They are the cheapest crap possible. Maybe that is why almost all the Asian amps use them. Cheap and a lot of people there like the sound.

I like the OP275 myself. But then I am 55 and heard too much rock over the years.

Dan Fraser
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Old 7th June 2007, 06:57 PM   #3
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I don´t think I will ever try to use RC4559 in any active circuit.
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