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moog modular System 55 restoration
Another example of too big PCB, notice the nice big empty area on the left. It's time to mention that every potentiometer used is Allen-Bradley type, hermetically sealed with very thick taper track and special (graphite?) slider block, so they should last forever. Unfortunately every one required cleaning, because the old grease and wiped particles made a lot of bad things inside. Those pots cost a fortune now.

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© 2013 Roman Sowa
Last revised November 24, 2013