variable speed

Hey all! Long-time reader, haven't posted here in probably ten years...but have gotten a bit back into the vintage audio game recently and have been paying some much-needed attention to my Technics SL-1500. For a long time the speed/on/off switch has been *very* finicky and you'd have to kind...

Still puzzled about finding the cause of the variable oscillation in the Audio board after recapping electrolytics. Low/high tap gets faster with more volume or more bass after unit is warm, no noise when cold. I'll be changing the bias trimmers to multi-turns, and I wonder if changing the...