Korg Trident Synthesizer Brass String Machine SN 331819

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"Condition is excellent for a 40 years old synth, shows a few splinters in the wood here and there but overall great shape for its age. Good: All keys work. All buttons and knobs work well, some scratchyness in some but would be cleaned up from a good cleaning. The "write program" button doesnt seam to work but maybe Im missing something.. Not so good: tested it out on a tuner last night, the lower two octaves show about from 5-10 cents flat, one was closer to 15 on the tuner, seems to be on par with a synth this old from what I hear but being the bass notes its harder to hear the pitch being out.. I would assume some capacitors on the synth probably need to be changed now or in the future due to its age, which might “tighten” it up. The headphone out works great but the mix out seems to be finiky sometimes but messing with the plug seems to work, probably another deep cleaning needed issue, the direct outs from each of the voices work well from what I can tell. With that all being said, understand this is 40 year old board and there might very well be issues arising that Im not aware of or noticing at the moment or will happen in the future so this board is being sold as is. Purchased 2 years ago from Tokyo Japan, comes with Korg road case with casters, Im assuming thats original from 1980. 100V but works well on American 120V but keep that in mind, theres conflicting opinions about analog gear being 'ok' with that small of a difference, Ive had a couple other old synths and it wasnt a problem."

Curious if the tuning issues are related to the power discrepancy.