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Moog Synthesizer IIIc Analog Modular Synthesizer

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Throughout the 1960s, Dr. Robert Moog collaborated with over 100 composers of electroacoustic music to create the synthesizer concept, born of thousands of design decisions and countless conversations. At the time, the available method of producing electronic music was the “classical studio,” a makeshift production environment cobbled together from individual electronic sound-generators such as surplus telecommunications devices, radio equipment, and early tape machines. Moog and the musicians he worked with streamlined this classical studio technique into a system of standardized sound modules.

In 1965, Bob Moog began taking orders for individual modules and customized modular systems. By 1967, he and a team of ten skilled technicians were hand-building production models in an unassuming brick storefront in Trumansburg, NY. The cutting-edge musical instruments that they called “synthesizers” signaled electronic music’s maturation from an awkward and shy intruder in the realm of music to a dynamic and significant medium of musical expression.

The first models were aptly named Synthesizer I, II, and III. With the introduction of the Moog Synthesizer IIIc -- the “c” referring to the walnut “console” cabinet -- musicians could purchase a complete instrument pre-configured for logical access to a range of facilities usually associated with the largest classical studios.

Each synthesizer took weeks of patient, steady crafting to complete, but the payoff would be rich -- a tool that would change the landscape of music.

The world got turned on to the idea of the synthesizer -- and electronic music -- through the visionary works of experimental musicians like Wendy Carlos and Isao Tomita. Sonic masterpieces like Switched On Bach and Snowflakes Are Dancing were made possible by the early modular Moog Synthesizers. These original modular systems designed by Bob Moog are inimitable in sonic character and remain highly coveted for their limitless reconfigurability and vibrantly organic musicality.

Every Synthesizer IIIc will be built using all-original documentation, art, and circuit board files. Each instrument features thirty-six hand-stuffed, hand-soldered modules, including ten 901-Series audio oscillators, the 984 Matrix Mixer, and the 905 Spring Reverb. All modules are securely mounted into two hand-finished, solid walnut console cabinets at the Moog factory in Asheville, NC.

Moog Synthesizer IIIc production is highly limited. Only 25 units will be produced and sold worldwide.


• Entire system recreated using original documentation, circuit board and art files and traditional manufacturing techniques.

• 36 hand-stuffed, hand-soldered modules custom mounted and hand-wired in two handcrafted, solid walnut cabinets.

• 10x discrete 901 series oscillators (Coveted for their organic sound. Not found in the Model 15, System 35 or System 55)

• 905 Spring Reverb module (Expands the character of any sound into enchanting, piano-like trails. Not found in the Model 15, System 35 or System 55)

• 4x CP3 mixers (This is tonally similar to the mixer found in the Model 15. Not found in the Model 15, System 35 or System 55)

• 984 4-channel Matrix Mixer (Designed for parallel processing, complete with dedicated controls for Bass and Treble Not found in the Model 15, System 35 or System 55)

• 100% discrete design (There are absolutely no op-amps. Not the case in the Model 15, System 35 or System 55)

• Only 25 Moog Synthesizer IIIc will be handcrafted and sold worldwide

IMPORTANT NOTE: A new Synthesizer IIIc is built exactly as the originals. It also behaves exactly as the originals, which means tuning instability and susceptibility to interference is inherent to the design.


1x 901 Voltage Controlled Oscillator

3x 901A Oscillator Controllers

9x 901B Oscillators

3x 902 Voltage Controlled Amplifiers

1x 903A Random Signal Generator

1x 904A Voltage Controlled Lowpass Filter

1x 904B Voltage Controlled Highpass Filter

1x 904C Filter Coupler

1x 905 Reverberation Unit

3x 911 Envelope Generators

1x 911A Dual Trigger Delay

1x 912 Envelope Follower

1x 914 Extended Range Fixed Filter Bank

1x 984 Four Channel Mixer

1x 992 Control Voltage/Attenuator Panel

1x 993 Trigger & Envelope Voltages Panel

4x Console Panel No. 3, each including:

- 4-input mixer with + and – outputs

- 2 Trunklines

- Control Voltage Switches

- Attenuator

- Click Filter

1x Console Panel No. 2 including:

- Lowpass and Highpass Filters

- Jack Multiples

- 3 Control Voltage and Trigger Outputs

1x Console Panel No. 8 including

- Power Switch

1x 350 Watt 120 VAC or 230 VAC Switch Selectable Power Supply


14x 1’Cables

8x 2’ Cables

6x 3’ Cables

6x 4’ Cables

4x 5’ Cables

2x 1’ S-Trigger Cables

3x 3’ S-Trigger Cables


• Main Console Cabinet – 48 1Ž2” Wide x 15” High x 14” Deep

• Upper Console Cabinet – 48 1Ž2” Wide x 9 1Ž2” High x 8 1Ž2” Deep


• 953 Duophonic Keyboard Controller

• Console Sequencer Complement B

Technical Specifications
Type: Analog
Synthesis: Subtractive
Oscillators: 10
Waveforms: Saw Down, Square
Osc Modulation: Glide / Portamento, Keyboard, Knob, LFO
Envelopes: 3
Evelope Paramerters: Attack, Decay, Sustain, Release
Filters: 3
Types: 12dB Slope (2-pole), High Pass, Low Pass, Resonance
Filter Modulation: Envelope, Input, Keyboard, Knob, Oscillator, Portamento
Filter Notes:
+ Fixed filter bank
LFO: 3
Polyphony & Tuning
Polyphony: 2
Timbrality: 2+
Tuning: Standard
Modes: Duophonic, Mono
+ spring reverb
Case: Desktop, Keyboard
Case Details: 953 Duophonic Keyboard Controller, Optional
Keyboard: 61 keys, Non-weighted, Plastic
Controls: Buttons, Knobs, Switches, Mod - Wheel 2, Modulation 1/4" Jacks
Display Type: LED
Audio Output Connections: 1/4" Phone Jack, Mono Out
CV Ports: CV IN, CV OUT, Gate In, Gate Out, Trigger In, Trigger Out
Year Released: 2018
Units Made: 25

Product Links
Company Product Sites:
[+] www.moogmusic.com
MSRP List Price: $35,000,000 - convert

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