Synthesizer 12
Seems to be the same thing as a Synthesizer 10 except for the keyboard. Presumably there are some electrical upgrades which distinguish it from its predecessor. The oscillators are still the old 901 series.
 
 
 
Synthesizer 12
 
Module complement:
901 VCO
901A VCO controller
901B VCO (2)
902 VCA
904A low pass VCF
907 fixed filter bank
911 ADSR (2)
923 noise source
 
half-height modules:
mixer
trunk lines and power switch
 
keyboard