Documentation & Schematics
- 4720A Voltage Controlled Oscillator
- 4730 Multi-Modal Filter
- 4710 Balanced Modulator
- 2720-5 Control Oscillator / Noise Source
- 4712 Reverb Module
- 4712 Spring Reverb Schematic
- 4712 Spring Reverb Layout
- 4761 Road Case
- Using the 4700S
- Building the 2720 series modular
- Polyphony 0302 November 1977
- 4780 Sequencer Assembly Instructions
- 4780 Sequencer Using the Sequencer
- 4711 Mixer
- 4771 Power Supply
- 4740 Envelope Generator
- 2720-1 VCA schematic
- Paia 2720-3B Voltage Control Band Pass Filter Schematic
- Paia Paia 2720-3L Voltage Control Low Pass Filter Schematic
- Paia 2720-4 Function Generator Schematic
- Paia 2720-14 Sine converter Pulse width Moodulator Schematic
- PAiA 2720-12 Inverter/Buffer Assembly and Users Manual with Schematics
- 2720 Inverter Buffer schematic
- 2720-11 Envelope Follower
- 2720-8 Keyboard
- 2720-9 Glide
- 4762 / 4782 Road Keyboard
- 4783 Joystick Testing, calibration, and operations
- 4783 Joystick Applications article reprinted from Polyphony V3-3
- Demo 1 booklet
- Demo 2 booklet
- Demo 3 booklet
- Demo 4 booklet
- Demo Cassette booklet (combines all the above demo line pamphlets, plus more)
BTW Calibration on that system is a bitch...
If you need help or have questions...
then play tag