Hey,
I don‘t think that there are any PA397 datasheets floating about publicly but by the looks of it (using a Tetra PCB), the AS3397 could fit.
This post here could also be helpful: https://modwiggler.com/forum/viewtopic.php?p=3928671#p3928671
Didn‘t know that the Marion MS1215 was used in the Evolver too. Identical to the PA397? (https://www.ssmcurtis.com/2002/10/14/evolver/).
Best, m
Am Di., 10. März 2026 um 19:15 Uhr schrieb Florian Anwander via Synth-diy <synth-diy@synth-diy.org>:
Hello,
a friend asked me to have a look at his DSI Evolver Desktop. I did a
search on the web but did not find any service manual for this synth or
datasheet of the PA397 datasheet or at least pinout of the IC. Does
anyone have info on this? Is the Alfa RPAR AS3397 compatible?
Best regards
Florian
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