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30th September 2006, 09:23 PM
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#1 |
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diyAudio Member
Join Date: Jul 2003
Location: Hamburg
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Replacement for RC4556D?
Greetings,
I just changed the opamp for the headprohe output of my Denon DCD-2560 (the former one was dead on one channel). I temporarily replaced it with an OPA2604 and everything works. The former IC was a RC4556D. Is the OPA an appropriate replacement, or should I switch to another IC? TIA Jan |
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30th September 2006, 10:13 PM
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#3 |
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Enjoy good sound
diyAudio Member
Join Date: Aug 2005
Location: In the middle of Sweden
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Hi!
The RC4556D can supply twice as much current as OPA2604 so there may be problems with low impedance headphones. I would look for an OP that has greater current capability.
__________________
/ Anders |
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