RIM Electronic EQ Module
« on: December 01, 2019, 01:09:39 AM »
I bought this strange looking eq module and have been trying to figure out what the pin connections are as there seems to not be any info online about it. The only thing I could find is this page https://www.radiomuseum.org/r/rim_stereo_equalizer_ems_rkl.html which doesn't tell me much.
From what I can tell from looking at the board it looks like pin 0 is ground, pin 1 is input or output, pins 2 and 3 are input or output and pin 4 is a power rail.

Anyone familiar with these?


Re: RIM Electronic EQ Module
« Reply #1 on: December 01, 2019, 08:55:57 AM »
I still have a Radio Rim catalogue from the 80s. They contain most schematics. If you send me a pm as a reminder I can have a look at it when I´m back at work.
Quote from: PRR
The tubes of course don't care what frequency they distort


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