MATRIXSYNTH: Vintage Casio Casiotone PT-30 w/ Original Docs

Monday, April 22, 2019

Vintage Casio Casiotone PT-30 w/ Original Docs

via this auction

"Comes with 2 Manuals and 3 Songbooks

The instrument has only a monophonic main voice with 4 channel chords, but it features 18 nice rhythms made from analogue percussion with quite special sounding white noise cymbals. There is also an editable sequencer.

Main Features:

31 mini keys
12 key buttons + 9 select buttons for direct selectable single finger chords
built-in speaker with unpleasant, loud mid-range resonance
monophonic main voice
4 note polyphonic chords
8 OBS preset sounds {piano, harpsichord, organ, violin, flute, horn, fantasy, mellow}.
18 preset rhythms {waltz, ballad, swing, enka, 16 beat, rock 1..3, disco 1..2, bossa- nova, samba, arp. 1..6} made of analogue percussion + bass & piano accompaniment (partly with arpeggio).
tempo +/- buttons (19 steps, counts -9..9)
3 sliders for main, chord & rhythm volume
sequencer (with edit features, 8 song memories, battery backed-up)
2 "one key play" buttons (to play or edit sequencer contents note by note)
transpose buttons (-9..+3 semitone steps)
LCD display shows pressed keys and chords (only important for the sequencer)
semi- analogue monophonic sound generator similar like VL-1; the digital envelopes (with audible zipper noise) are linear and thus sounds unrealistic because they fade silent too soon.
simple analogue percussion with transistor noise (low tom, high tom, snare, open & closed hihat,??}
chord sound with fixed timbre (3..4 channel squarewave organ + monophonic bass organ voice)
multi-chip harware:
CPU= "NEC D1868G 001, 8319EK" (80 pins SMD)
SRAM= "HD B, 61914, 3F, 33" (44 pins SMD)
expansion cartridge slot at the bottom (for cassette saving module)
tuning trimmer
sound output & power supply jack"

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