LF411 Op-Amp dilemma

[Grant Richter]

>
>Before I start dropping these in my 2600 to replace the LM301's (less the
>30uf cap across pin 1 and 7) in the s+h (and other places) I wanted to check
>with everyone here that these were a good substitution.  In the catalog
>they're listed as BIMOS Op-Amps...
>

The CA3140's are great op-amps but they will not drive a 1K output load. If you
look in the spec sheet everything is spec'd for a 2K minimum load. They WILL
clip your waveforms if used as an output stage. Electronotes published a timbre
modulator based on this shortcoming. Be warned.