I Just found some GDR-Amp

I got myself a little treat (10 Kg of scrap electronics) and inside I found, among other great stuff, a GDR board that was made by RFT. It seems to be some kind of stereo amp or Tone control circuitry because of its symmetric nature.

We have a 2761 Dual opamp and 4 E X3 C36 (?) transistors at work alongside 4 Styroflex(polystyrene) (you gotta love em) caps.

I asked around in my favorite forum where some old-timers hang out and that were in electronics back in the day, when there was the GDR. I’m hoping to find out some more soon and get this thing going!

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