Jim Yanik writes:

Sam Goldwasser wrote in
:

Isn't the MC1458 just a general purpose vanilla flavored op-amp? Why
all the fuss? Almost anything with the industry standard pinout would
likely work, at least as a test.

It's a dual op-amp.

Sorry, yes I know, my slip. The point is that everyone is going obsessive
about getting the exact replacement.

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