OBERHEIM SYNTH group photo

Yahoo Groups archive

OBERHEIM SYNTH

Index last updated: 2026-04-28 23:39 UTC

Message

Re: [oberheim] Mystery mod on non functional OB8 - thoughts? [1 Attachment]

2015-08-12 by pjwhite@...

The rectifiers (off board, and with heat sinks) were probably attempts at improvements on the notoriously underrated W02M rectifiers that are standard on most Oberheim products. When these get too hot, which is not uncommon, they can start dropping out, causing glitches in the power supply.
I'd say, first determine if there are any problems with the power supply as things are now. If the voltage measurements on all supplies are normal, I'd say leave it alone. There are plenty of other things that could be causing your problems.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.