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Replacement for NJM4580
Replacement for NJM4580
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Old 28th August 2009, 06:10 PM   #1
EE is offline EE  Germany
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Join Date: Oct 2003
Default Replacement for NJM4580

In my amp there is a NJM4580 from JRC, one half being used as DC servo and the other as an input buffer for the amp. It is dead because of its zener supplynow being a short to the positive rail.

I cannot source any NJM4580. Is there a suitable replacement which can do both functions equally well? NE5532 (which I have plenty) maybe?

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Old 28th August 2009, 07:25 PM   #2
Nrik is offline Nrik  Denmark
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Join Date: Feb 2005
Location: Copenhagen
If you really want NJM4558 then go to the scrapyard and pick up any ghettoblaster or cheap stereo.

Or You could just use your NE5532 and then you will experience much better sound quality.
But change the similar one in the other channel.
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Old 28th August 2009, 07:27 PM   #3
tiefbassuebertr is offline tiefbassuebertr  Germany
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Join Date: Jul 2005
Location: D-55629 Schwarzerden
you can use a wide range of dual op amps
I would try the follow: OP-275 (Analog Devices), OPA-2132, OPA2604 and NE5532 (last three from TI)
please go also to
Datasheet NJM4580:
Datasheet OP-275:
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