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Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

Message

Re: arp2600 psu (was: where to buy new power transformer?)

2008-09-18 by syntherman

OOOPSS.... sorry, didn't pay enough attention to the schematic and
made an ass out of myself.... the UA748 opamp used there is a 14 pin
version....  even harder to get... seems this is gonna be a bit harder
to replace.

Mariano

--- In vintagesynthrepair@yahoogroups.com, "syntherman" 
<syntherman@...> wrote
 
>  last, if the uA/LM748 is nowhere to be found, try using a lm741
> instead, there are some out there, (at least here in my parts bin)
> other single 8 pin opamp's should work provided you desolder C5 just
> in case.
> 
>

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