E-Mu Systems SSM Voice Board Pictures
E-Mu Systems SSM Voice Board
Above The SSM (Solid State Music) Voice board by E-mu Systems from 1978
On this SSM Voice board
- Two SSM 2030 VCO chips- Oscillator
- One SSM 2040 VCF chip- Filter
- One SSM 2020 Dual VCA chip - Amplifier
- Two SSM 2050 VCTG Envelope chips
- Built in power supply
- 100 pin interface
- 6 inch by 7 inch dimensions
This SSM chip set is the same one used in the original Sequential Prophet 5 released in 1978
More information on SSM and E-mu here
http://synthark.org/Archive/EmulatorArchive/SSM.html
At top a SSM 2040 Filter Chip and a SSM 2020 VCA, and at the bottom Two SSM 2030 Oscillator Chips
Filter section with temperature compensating resistor to left of 2040 and op-amps for input and control
Two SSM 2050 VCTG chips. Board date 4/24/78. Odd numbered connectors on top
Bottom of E-Mu Systems SSM Voice Board
E-mu Systems SSM Voice Board Information and Schematics
Silicon Breakdown posted in 2008 all the information for the E-mu SSM Chip Voice Board
in dedication to Ed Rudnick. A great boss and a greater friend.
Ed Rudnick drew up these schematics in April 1978. They were designed by Dave Rossum.
