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Moog System 55

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In 1964, Robert Moog created one of the first modular voltage-controlled music synthesizers, and demonstrated the Moog 55 at the AES convention the same year. The Moog System 55 featured a piano-style keyboard interface and has a logarithmic one volt-per-octave pitch control and a separate pulse triggering signal. The Moog modular synthesizer is considered by enthusiasts to be the original and definitive synthesizer.

Technical Specifications
Type: Analog
Synthesis: Subtractive
Oscillators: 12
Waveforms: Pink Noise, Pulse, Pulse Variable, Saw Down, Saw Up, Sine, Square, Triangle, White Noise
Osc Modulation: Keyboard, Knob, LFO, Oscillator, Pedal, Pitch Wheel, Ring Modulation, Sequencer
Oscillator Notes:
Typical systems were fitted with 3 but sometimes up to 10 oscillators.
Envelopes: 5
Evelope Paramerters: Attack, Decay, Sustain, Release, Monophonic
Filters: 3
Types: 24dB Slope (4-pole), High Pass, Low Pass, Resonance
Filter Modulation: Knob, LFO, Oscillator, Pitch Wheel, Portamento
Filter Notes:
Additionally sometimes a Parametric EQ also known as a "Fixed Filter Bank"
LFO: 1
LFO Parameters: Sample & Hold, Saw Up, Saw Down, Triangle
LFO Notes::
1 VCO (model 901 or 921) can be used as an LFO. Range from 0.1 Hz to 15 KHz
Polyphony & Tuning
Polyphony: 1
Tuning: Standard
Modes: Mono
Patches RAM: 1
Case: Keyboard, Module, Rack
Case Details: , X-Y Joystick Controller.
Keyboard: 49 keys, 61 keys, Non-weighted, Wood
Controls: Modulation - Audio Input, Mod - Wheel, Pitch - Lever, Pitch -Wheel, Sequencer, Pedal - Volume
Audio Output Connections: 1/4" Phone Jack, Stereo Main
Audio Output Count: 2
Inputs: 1/4"
CV Ports: CV IN, CV OUT, Gate In, Gate Out, Trigger In, Trigger Out
Year Released: 1964
Year Discontinued: 1977

Product Links
Company Product Sites:
[+] www.moogmusic.com
Retail Street Price: $35,000 - convert
Used Price: $15,000-$35,000 - convert

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