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Casio CZ synthesizers - Wikipedia
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Casio CZ-230S, phase distortion vs. FM
Casio CZ-230S | Synthpedia
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Stream Ghost inside a musical box (CASIO CZ-230S) by PSS-270 | Listen online for free on SoundCloud
Dug out the Casio CZ-230S to see what sounds are useful and ended up recording some of them in. Sometimes it's way easier to progress quickly with a... | By Deadly Custard
Casio CZ-230S Synthesizer - musical instruments - by owner - sale - craigslist
Andy McCluskey's Casio CZ-230S | WhatGear™
Help or advice needed (CZ230S) - CZ Series - Casio Music Forums
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Casio CZ-230S 61-Key Digital Preprogrammed Synthesizer | Reverb