Moog Sonic Six

Sonic Six
Sonic Six
(colorized)
Manufacturer Moog Music
Dates 1974 - 1979
Technical specifications
Polyphony 2
Oscillator 2
LFO 2
Synthesis type Analog Subtractive
Filter low-pass
Attenuator ADS or ADR
Memory none
Effects none
Input/output
Keyboard 49 keys
External control CV/Gate

The Moog Sonic Six is a duophonic analog synthesizer that was manufactured by Moog Music from 1972 to 1979. Because of its portable design and built-in speaker, the Sonic Six was widely used for lectures and educational purposes, often by Bob Moog himself.[1]

Musonics Origins

The Sonic Six is the result of Bill Waytena, then the owner of synthesizer manufacturer Musonics, acquiring R.A. Moog Inc. Interested in the marketing opportunity afforded by the Moog name, Waytena acquired R.A. Moog Inc., moved the company to Buffalo, New York, and renamed it Moog/Musonics (which eventually was shortened to simply Moog Music). It was under this new brand that a new version of the Musonics Sonic V was released as the Moog Music Sonic Six.[2]

Design

The Sonic Six is mounted in its own briefcase; the upper control panel folds and latches over the keyboard to ease transportation and storage. This feature was used by a number of synthesizer manufacturers of the time, however the Sonic Six was Moog Music's only product that incorporated this into its design. The Sonic Six is also the only Moog synthesizer that featured built-in speakers rather than requiring the user to use an external amplifier.

The Sonic Six features two VCOs with changeable waveform (sawtooth, triangle, square, pulse), one low-pass VCF, a VCA, two multimode LFOs for modulation and a 49-note keyboard.

The Sonic Six is a two-oscillator duophonic synth.[3] It can be set for duophonic, (two notes at a time... one oscillator takes high-note priority and one oscillator takes low note priority), monophonic (both oscs), or monophonic with a drone (one osc changes pitch, one does not). Available waveshapes are pulse (variable), saw, and triangle. The pitch of each oscillator can be controlled by dual LFO, one by contour, and the other by the other oscillator. One can adjust the temperament of the Sonic Six to play scales that have less than 12 notes per octave. The Sonic Six also features pink or white noise.

The Dual LFO design is unique. A mix control allows mixing of each LFO source, while voltage control of each LFO allows additional rate control not often seen in portable synthesizers. Each LFO can produce saw, reverse saw, triangle, and square wave outputs.[4] The Sonic Six also features a ring modulator which allows a player to produce non-chromatic sounds. Audio signals may also be routed through the Moog filter and ring modulator via an external input.

The Sonic Six's contour generator is a simple design as compared to other synthesizer models. Decay is provided by a switch, offering long or short decay times. The filter is standard -24dB/oct Butterworth filter design featuring filter cutoff, resonance, keyboard control switch, contour amount, and LFO amount. The Sonic Six also features “glissando”, another word for portamento. This can be assigned to both oscillators or just one, depending upon the setting. The Sonic Six also features a built in amplifier and speaker, as well as a standard line level output.

References

  1. ↑ Mark Jenkins, Analog Synthesizers, Focal Press (2007), p. 52
  2. ↑ Mark Vail, Vintage Synthesizers, GPI Books (2003), p. 34.
  3. ↑ Julian Colbeck, Keyfax Omnibus Edition, Mix Books (1996), p. 166
  4. ↑ Mark Jenkins, Analog Synthesizers, Focal Press (2007), p. 183

External links

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