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Monotron Delay

There are currently 4 available

Where To Find It

Call number: Music Tools

Available Copies: Downtown 1st Floor Stuff Shelf


  • 1 Monotron Delay
  • 2 rechargeable AAA batteries (installed)
  • 1 stylus pen (optional)

How To Use

Slide the power switch from "Standby" to either the "triangle" or "square" setting. Adjust the volume with the rotating switch located on the back of the instrument. Touch your finger or the stylus to the ribbon keyboard to sound a note. Rotate the knobs to affect the note. Check the instruction manual under Documentation for more detailed information. When finished playing the instrument move the power switch back to standby to conserve the battery.


Monotron Delay common features:

Go Anywhere Analog
A miniature speaker is built into every monotron. Along with its compact size, this feature allows you to enjoy and share the analog synthesis sound of the monotron Series with your friends, anywhere, at any time. There's also a headphone output that you can use when practicing in private, creating sounds at home, recording, or for connecting to an amplifier or PA system.

VCO + VCF = Modular synthesis building blocks
The basic analog sound-building circuit in each of the monotrons is radically simple: one voltage-controlled oscillator and one voltage-controlled filter. As a result, the process of sound creation is intuitive, and instantly understandable. And it's tons of fun. Each Korg monotron provides the joy of sonic creativity that's at the heart of analog synthesis.

Classic Korg Filtering
The distinctive tone of an analog filter (VCF) can dramatically alter and enrich the sound. The monotron Series uses the same highly acclaimed VCF circuit as KORG's classic MS-10 and MS-20 semi modular synthesizers. Originally released over 30 years ago, these instruments are still coveted today for their aggressive, dynamic filters. The VCF Cutoff knob sets the frequency or tone of the filter; the VCF Peak knob (monotron, monotron DUO) adds emphasis. A powerful filter is an essential aspect of any analog synthesizer, applying dramatic tonal changes to the sound, and projecting an intense personality that will stand out in any live performance.

Fully-patchable Filter
The input jack (AUX input) built into each monotron’s compact body allow you to place any audio source into the signal path, directly before the analog filter. This provides a great way to connect a KAOSSILATOR, a guitar, or a digital audio player to the monotron Series and enjoy tone-bending filter effects.

Monotron Delay key features:

  • Space Delay with Time and Feedback controls offers analog-style echoes
  • New Pitch LFO with selectable Waveshape, Rate, and Intensity controls
  • VCF with Cutoff Control
  • Wide-range ribbon controller keyboard
  • Original Analog (VCF) Filter taken from the classic MS-10 & MS-20
  • Aux input jack lets you apply filter and delay to any audio source
  • Built-in speaker and battery power for Go Anywhere Analog sound
  • Headphone jack for private us

Classic Analog Synth / Space Delay Combination
A good delay was an essential part of the classic analog synthesizer sound. More often than not, that delay came from a tape-style echo machine until affordable digital delays were created. The monotron DELAY is an analog synthesizer optimized for sound effects. In addition to its analog oscillator, filter, and LFO, it also provides a Space Delay that's indispensable for swooping, cosmic sounds. The monotron DELAY even reproduces the pitch changes that occur when you vary the delay time, just as though you were using an analog tape echo. As with the filter, the delay effect can be added to any external sound via the Aux In jack. This fat and warm delay will add an authentic edge to your analog sounds!

Dual-Waveform LFO
The Low Frequency Oscillator (LFO) waveform used to modulate the pitch now offers a choice of waveshapes – a new square wave plus the traditional triangle wave. Both the Rate (Speed) and the Intensity (Depth) can be adjusted independently. In addition, a trimpot on the back panel can continuously adjust the shape/direction of the triangle wave or the pulse-width of the square wave to deliver even more versatility. Used in conjunction with the delay, the LFO can create dazzling effects and provide unique possibilities for embellishing your songs.

Wide-Range Ribbon Keyboard
The monotron DELAY's ribbon controller keyboard features a wide, four-octave range. This design allows the pitch to be controlled even more aggressively and dynamically, making the monotron DELAY a great weapon for a DJ to get the floor moving with irresistible sound. The reversed white keys and body adornments glows under black light illumination, making the monotron DELAY ideal for delivering a striking visual impact in nearly any club environment.

Product description from Korg USA


  • Aux Input: 1/8in Stereo Jack
  • Headphone Output: 1/8in Stereo Jack
  • Speaker: Miniature Internal; Disabled when headphones are in use
  • Battery Life: Approximately 8 hours (with alkaline batteries)
  • Synthesizer structure: 1 VCO (Sawtooth Wave); 1 VCF; 1 LFO; DELAY
  • Switch: Standby / LFO Triangle Shape / LFO Square Shape
  • Knobs: LFO Rate, LFO Int., VCF Cutoff, DELAY Time, DELAY Feedback
                  Rear Panel Trimpot: LFO Shape
  • Controller: Wide Range Ribbon Controller


View Instructions (PDF)


Community Reviews

fun effects

Lots of neat sounds. Fun to plug other stuff into it and experiment. (Check out some of the other toys and plug them into the "aux" port; you'll need some cables, not included.)

The one little keyboard covers several octaves, so don't expect to be able to get specific reliable pitches out of it.

As with the other monotrons the headphone output is pretty noisy.



The Monotron Delay is a cool little analog synth with a delay loop. I was able to get it to reliably generate sounds that reminded me of the rumble of frogs or crickets. You should be able to play around with it and get out all sorts of weird nifty effects that I'm not even sure how you'd start to try to generate on a big old computer.


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