Tuesday, December 20, 2011

Yamaha CS-80 and Lexicon 224XL Sound Sampler

My CS-80 restoration project about 1/3 completed and the instrument's health bar is finally in the green. Most of the systems are working (in addition to failed subsystems, one fussy voice card of the 16 is out of tune at times and makes it known). Enough is working to present to you what a properly functioning CS-80 should sound like. Definitely resides in the category "most complex production electronic musical instrument". Over 200 lbs of printed circuit board and wiring. Less than 800 CS-80s were made due to high cost and complexity. Serial numbers started at 1000 and ended before 1800. This CS-80 is serial number 1306, the 306th unit off the assembly line. Signal path is the CS-80 ---- Lexicon 224XL digital reverberator ---- direct line audio feed into Sony HDR-XR520V HD camera. Audio AGC circuit (has to be in the camera) compresses the sound level dynamics. Quiet keyboard is "middle level" and sudden loud sound is distorted. Preamp board in the synth is also having problems. UPDATE: This keyboard just makes too much sound to be understood at this time. Back into the secret lab....... Will have new videos as soon as possible. Thanks for watching and listening!

Recipe Rice Krispie Treat Compare

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