This is Rare, Original, Vintage
IC, CEM3379
Voltage-Controlled 24 dB/oct. VCF, VCA, VC pan Chip 
for
Ensoniq ESQ-1 SQ-80, Doepfer, Prophet VS, Propht 5,
Prophet 2000 
and Many Other Vintage Analog Synthesizers.
Used. Tested and Works Great !


If you have any questions Please e-mail me.