On Mon, 21 Jun 2010 13:17:47 -0700, "Alex Harford" said:
> I'm looking for a replacement op amp for the NE531 to complete some
> boards on an old design.   I haven't had much luck as it seems to have
> been obsoleted around 1999.  The client has a lot of PCBs leftover
> from an old run, so a drop-in would be ideal.  Perfect would be a
> surplus tube somewhere, but I haven't had much luck.

Hi Alex,

The NE531 in 8 pin DIP is available locally, I bought some recently as
spares for an old power amplifier I have. I can probably go to the store
on my way home from work today, I'll see how many they have and email
you directly.

Cheerful regards,

Bob

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