DIGISOUND ADSR, VCO, VCA Build Notes - (schematics, calibration - pdf)

SSM Datasheets 2030 VCO, 2020 VCA, 2040 VCF, 2050 VCTG (pdf)

DIGISOUND PRICELIST Jan 1980 (pdf)

DIGISOUND PROJECT 80 CATALOGUE ~1984 (pdf)

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