Vintage Casio PT-100 Keyboard Synthesizer Circuit Bending 1980s Synth buying Music Equipment 80s

Vintage Casio PT-100 Keyboard Synthesizer from the late 1980's. The PT-100 model is a highly sought after model because of all the modifications you can make to it. This keyboard has been tested and works.

Casio PT-100 Features:
• 32 midsize keys (15 of them used for chord section)
• built-in speaker
• 8 note main voice polyphony (only buying 6 with rhythm, 4 with accompaniment)
• 4 note polyphonic chords or accompaniment
• 8 preset sounds {piano, harpsichord, vibraphone, pipe organ, jazz organ, flute, strings, synth sound} (selected by slide switch with a small delay)
• 8 preset rhythms {rock, disco, swing, samba, bossa nova, tango, slow rock, waltz}
• volume slide switch (5 steps)
• tempo +/- buttons (26 steps)
• CPU "HD61702A02, 8D 43" (100 pin SMD) with timbres based on 2 layered multipulse squarewave(?) waveforms with different digital envelopes, those are differently low pass filtered through capacitors.
• single finger chord with fixed timbre (rough squarewave organ)
• percussion {base, snare, cymbal, hihat, high & low woodblock} has unique electronic style, based on digital low- res waveforms with audible zipper noise.
• demo melody (very nice classical tune that cycles through all sounds)
• auto power off


Modification example » http://www.youtube.com/watch?v=98UFeGD3gL8