[sdiy] Replacement for LF442 ?

[Louis van Dompselaar]

> I´m working on my soundlab mini-synth and have no LF442 by the hand,... 
> is it possible to replace this part with an other OP-Amp?
> ... just can´t wait to hear some sounds :-)
> Perhaps with TL072 or something like that....? 

Almost anything will do.  Note though that the TL072 draws a lot
more current than the LF442, which caused lots of decoupling problems
in my Soundlab (VCO1 square wave bleeding into the power lines).