Moog Subharmonicon Semi-Modular Analog Polyrhythmic Synthesizer

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Moog Semi-Modular Tabletop and Eurorack Analog Synthesizer with Two Voltage-Controlled Oscillators, Four Subharmonic Oscillators, Two Four-Step Sequencers and Four Rhythm Generators
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Moog Subharmonicon is a semi-modular polyrhythmic analog synthesizer that employs a 6-tone sound engine and multi-layered sequencers to explore the world of subharmonics, polyrhythms and the unique relationships they create.

detail image of Moog Subharmonicon panel showing oscillator controls

VCOs and subharmonic oscillators
Subharmonicon's characteristic sound starts with two analog VCOs and four subharmonic oscillators for a total of six powerful sound sources. Each subharmonic tone is mathematically derived from one of the two main VCOs, giving the resulting chord shapes a beautifully coherent quality.

detail image of Moog Subharmonicon panel showing scale quantize controls

Quantize notes to scale
Onboard quantization lets you dial in perfect intervals every time with selections for multiple tuning systems. Choose from contemporary equal temperament settings, the heavenly intervals of just intonation or the unlimited freedom of no quantization at all.

detail image of Moog Subharmonicon panel showing scale quantize controls
detail image of Moog Subharmonicon showing sequencer and rhythm generator controls

Sequencers and rhythm generators
Animating Subharmonicon's distinctive chord shapes is done through a polyrhythmic pair of 4-step sequencers. Each sequencer is clocked by any or all of four rhythm generators that output mathematical divisions of the master tempo. Layer multiple rhythm generators on top of each other to create complex polyrhythms and discover inspiring new patterns and styles.

detail image of Moog Subharmonicon panel showing filter controls

Envelope generators and Moog ladder filter
Delve into Subharmonicon's dual envelope generators, Moog ladder filter and analog VCA to call up dynamic articulations ranging from lush pads and blurred edges to percussive plosives and ritualistic rhythms.

detail image of Moog Subharmonicon panel showing filter controls
detail image of Moog Subharmonicon showing patch bay

Semi-modular patch bay
Although no patching is required to start creating, exploring Subharmonicon's modular patchbay unlocks worlds of possibilities as you make novel connections and plug into new ideas. The 32-point 1/8" patchbay can be patched into itself, expanding Subharmonicon's onboard capabilities, or interfaced with Mother-32, DFAM and other external eurorack-compatible gear. Use Subharmonicon as a standalone synth with the included power supply or simply remove the front panel to install into any eurorack system.

front view of Telefunken Volkstrautonium

Experimental origins
Subharmonicon is inspired by Joseph Schillinger's mathematical system for musical composition and is influenced by two analog innovations from the 1930s and 1940s: Mixtur-Trautonium, which employed a series of subharmonic oscillators to generate electronic undertones, and Rhythmicon, an instrument developed by Leon Theremin capable of sounding multiple harmonically related polyrhythm generators simultaneously.

front view of Telefunken Volkstrautonium
black and white 3/4 view image of Rhythmicon showing front, top and right side

Mixtur-Trautonium and Rhythmicon
Mixtur-Trautonium created subharmonics by dividing the frequency of its primary oscillator, while Rhythmicon created polyrhythms that were multiplications of its primary tempo. These concepts of subharmonics and polyrhythms form the historic roots of Moog Subharmonicon.

musical score notation illustrating subharmonic series

Undertone series
The undertone series, or subharmonic series, results from the division of an initial fundamental frequency (f) by successive integer values (unlike the overtone series, which results from integer multiples of the fundamental frequency). Where overtones are found to occur naturally in acoustic sounds, undertones must be produced through more extreme or novel methods, such as electronic circuitry.

musical score notation illustrating subharmonic series
diagram illustrating polyrhythms on digital audio workstation piano roll

Polyrhythms employ multiple rhythms playing at once to create complex, interweaving phrases. In the same way that a subharmonic oscillator divides the fundamental frequency to create a musically related subharmonic, each rhythm generator in Subharmonicon uses an integer value to divide the current tempo value to create a new rhythm.

More Information
Manufacturer Moog
Condition New
Included from Manufacturer Power supply
(5) 6" patch cables
1/8" to 5-pin MIDI adapter
Patch sheet panel overlays
Analog/Digital Analog
Number of Keys None
Oscillators per Voice 2 plus Sub
Sequencer (2) 4-step sequencers
(4) rhythm generators
Arpeggiator No
Audio Outputs 1/4" main/headphone output
1/8" VCA output on patch panel
Control Connections (17) CV/gate/MIDI control inputs on patch panel
(15) CV/gate/audio outputs on patch panel
Onboard Controllers TRIGGER button for auditioning sound
Width 12.57"
Depth 5.24"
Height 4.21"
Product Weight 3.5 lb
Unique Features Subharmonicon may be removed from included chassis and mounted in, powered by eurorack system

Moog Music Inc. Limited Warranty

Moog warrants its products to be free of defects in materials or workmanship and conforming to specifications at the time of shipment. The Warranty Period is one year from the date of purchase.

If, in Moog's determination, it has been more than one year since the product shipped from its factory, Moog will determine whether or not to honor the warranty without regard to the date of the purchase.

Your new product warranty is transferrable to a new user with a proof of purchase dated less than one year prior to the current date. To initiate a warranty transfer, email Moog with a copy of the original proof of purchase, the serial number, and your personal information and Moog will update the warranty status.

During the Warranty Period, any defective products will be repaired or replaced, at Moog's option, on a return-to-factory basis. This warranty covers defects that Moog determines are no fault of the user.

The Moog Limited Warranty applies to USA purchasers only. Outside the USA the warranty policy and associated service is determined by the laws of the country of purchase and supported by the local authorized distributor. If you purchase outside of your country, you can expect to be charged for warranty as well as non-warranty service by the service center in your country.

You must obtain prior approval in the form of an RMA (Return Material Authorization) number from Moog before returning any product. Click 'Customer Service' at the Moog website to request the RMA # via email or call Moog.

All products must be packed carefully and shipped with the Moog supplied power adapter. The Voyager and Little Phatty must be returned in the original inner packing including the foam inserts. The warranty will not be honored if the product is not properly packed. Once you have received the RMA# and carefully packed your Moog, ship the product to Moog Music Inc. with transportation and insurance charges paid, and include your return shipping address.

Once received, Moog will examine the product for any obvious signs of user abuse or damage as a result of transport. If the product is abused, damaged in transit, or is out of warranty, Moog will contact you with an estimate of the repair cost. Warranty work will be performed and Moog will ship and insure your product to your United States address free of charge.

Please initiate your warranty online at the Moog Music Website by clicking 'Product Registration.' If you do not have web access, fill out all the information on the card included with your shipment and mail it to Moog.

  • Ground shipping is FREE for all orders $99 and up.
  • Our central, midwest location ensures fast delivery times.
  • See below for transit day estimates. Please note, these are estimates and are not guaranteed.

Generally, package estimated transit days are as follows:

  • Upper Midwest: 1-3 days
  • Central US, South East US, and East Coast: 2-4 days
  • West Central US: 3-5 days
  • West Coast: 4-6 days
  • Alaska & Hawaii: 7+ days
All transit times are based in business days. Please allow 7-10 business days for most freight shipments. Business days are Monday through Friday and do not include public holidays and weekends (Saturday/Sunday.) For questions regarding estimates to your specific location, please contact us at [email protected] or 800-783-3368.