LM1458

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LM1458

Music Man Amps Discussion Forum » Solid State Devices & Substitutions » LM1458

Author Message
 LongFrost
Posted on Friday, August 20, 2004 - 08:22 am:   

Is there a modern higher quality Op amp chip with the same pinout as the LM1458?

 Steve Kennedy
Posted on Friday, August 20, 2004 - 06:23 pm:   

There are probably quite a few op-amps that would make a good replacement for the LM1458. The following come to mind (but I haven't tried these myself in a Music Man circuit):
National LF442
JRC JRC4558 (or any other 4558)
Whether these will improve anything you can hear is unknown. They may be quieter and have lower DC offset than the LM1458.
I am sure there are a ton of others out there...
Steve
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