Please help identify this preamp/EQ (MEI?)

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peterc

Well-known member
Joined
Jun 4, 2004
Messages
2,272
Location
Johannesburg, South Africa
Hi all

I have been asked to rack some of these preamp/Eq modules and I was hoping someone here might be able to identify them.

All the info I have is what is on the PCB as shown in the pics. Anyone seen these before? Or even have a schematic?

Thx Peter

nZm7w77.jpg


Qv4TCJp.jpg


GUP9946.jpg


cvQeV6g.jpg
 
Looks like a german DIY-build from the mid-70's. RIM-Electronic-clone comes to my mind:

https://groupdiy.com/index.php?topic=54882.0

http://www.rainers-elektronikpage.de/RADIO-RIM-Baumappen/radio-rim-baumappen.html
 
The pictures are not the best and the soldering too, components don't fit or are hidden therefore it is hard to say more about it.  What makes me a bit astonished are the 3 diodes in series etc., could be something like a Revox/Trident-A style pre.
 
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