In an other thread I decided to add buffers on an old module.
One of the first module I did, I added 2 TL074 on the back. (I had room on the small wooden board that I had added to hold the recovery jacks without screws).
I took the opportunity to add indicator LEDs for the 2 LFOs and also add a 10K trimpot in place of the resistance of the led of my homemade vactrol for better adjustment.
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