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Korg Monotron Analog Ribbon Synthesizer

$69.99 Price Tier: Budget

4.0 (97)

4 Critic Reviews

11 Reviews

This product is Vintage or Discontinued

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Korg Monotron DUO Analog Ribbon Synthesizer

$42.00 - $69.99

4.0 (79)

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Page last updated Jul 02, 2026

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5.0 (2)

$69.99 1 available New

$40.00 6 available Used

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Average Price: $55

Budget/Beginner

$500

$1501+

Price Tier

In the Synthesizers category, Korg Monotron Analog Ribbon Synthesizer is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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Description

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Unleash your creativity with the Korg Monotron Analog Ribbon Synthesizer, a compact powerhouse that redefined the analog synth landscape. Perfect for musicians on the go, this portable analog wonder offers a monophonic voice driven by a single oscillator, delivering authentic vintage sound in a sleek, pint-sized package. The Monotron's built-in ribbon controller invites spontaneous exploration and makes it an ideal tool for both seasoned synth enthusiasts and curious beginners.

Dive into a world of sonic possibilities with its intuitive controls, allowing you to manipulate pitch and filter cutoff effortlessly. The Monotron's simplicity is deceptive; beneath its minimalistic exterior lies a versatile sound engine that can be a delightful playground for tinkerers and DIY electronics aficionados. Whether you're adding texture to a live performance or experimenting in the studio, the Monotron's analog warmth and character stand out, making it a staple in the modern musician's toolkit.

Key Features:

Compact and portable design for music creation anywhere
Single oscillator monophonic voice
Built-in ribbon controller for expressive playability
Classic analog filter for rich, warm tones
Simple and intuitive controls for easy sound manipulation
Battery-powered operation for ultimate mobility

Product specs

Brand	Korg
Model	Monotron
Finish	Black
Year	2010 - 2025
Categories	Analog Synths, Keyboard Synths
Analog / Digital	Analog
Polyphony	1 Voice

FAQs

Is the Korg Monotron Analog Ribbon Synthesizer suitable for beginners?: Yes, the Korg Monotron is ideal for beginners due to its simple interface with just five knobs and one switch, making it easy to explore analog synthesis without a steep learning curve.
What type of sound can I expect from the Korg Monotron?: The Korg Monotron delivers classic analog sounds with a rich, warm tone, thanks to its analog oscillator and filter. It is capable of producing a range of sounds from deep basses to bright leads.
How is the Korg Monotron powered?: The Korg Monotron is powered by two AAA batteries, making it highly portable and convenient for on-the-go music creation.
Can the Korg Monotron be integrated into a larger setup?: While the Korg Monotron is primarily a standalone unit, it can be integrated into a larger setup via its headphone output, allowing you to connect it to external amplifiers or recording equipment.
Does the Korg Monotron have any built-in effects?: The Korg Monotron does not have built-in effects, but its analog filter can be used creatively to shape and modify the sound, offering a range of tonal possibilities.

Videos

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UniqueSquared

Korg Monotron Analog Ribbon Synth | UniqueSquared.com

UniqueSquared

Korg Monotron Analog Ribbon Synth Processing External Audio Overview | UniqueSquared.com

UniqueSquared

Korg Monotron Analog Ribbon Synth Programming Demo | UniqueSquared.com

UniqueSquared

monotron Analog Ribbon Synthesizer- Processing External Audio- In The Studio with Korg

Korg

monotron Analog Ribbon Synthesizer- Guided Tour- In The Studio with Korg

Korg

Reviews

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PROS

Compact and highly portable; ideal for on-the-go music creation
Features Korg's signature VCF, LFO, and VCO circuitry for quality sound
Can be used as an external filter, adding versatility to setups
Ribbon keyboard allows for unique slide and knob-twisting noises
Offers an affordable entry point into analog synthesis
Fun as a supplementary tool for noise and effects in studio setups
Battery-powered with an internal speaker for immediate playability

CONS

Small ribbon track limits precise manipulation
Some users find it too gimmicky, with novelty wearing off quickly
Not considered practical as a primary instrument for professional work
Sound can be noisy, may not suit all musical or recording environments

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Korg Monotron Analog Ribbon Synthesizer.

Features and functionality

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The Monotron Delay is noted for its challenging playability due to two octaves per inch, yet its delay effect is highly praised for its uniqueness.
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The original Monotron is highlighted for its LFO-modulatable filter effect, ideal for processing granular synths through its MS-20-like filter.
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The Monotron Delay is noted for achieving an 'infinite delay' mode by turning up the feedback, allowing for fun manipulation of time values to create rolling drones.
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The Monotron Delay features a modifiable Triangle or Square LFO, which only modulates pitch, differentiating it from the original Monotron's reverse saw LFO that can modulate pitch or filter cutoff.
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Use cases and applications

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Users report the Monotron Delay excels as an effect processor for external audio, enhancing other Monotrons with its lo-fi delay capabilities.
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The Monotron's small ribbon controller is noted for its limitations in playability, but the pocket-sized filter is deemed surprisingly useful.
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Pairing the Monotron Delay with a hardware vocoder can produce unique, alien-like vocal effects, expanding its creative applications.
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Comparisons

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The Monotron DUO offers basic sound capabilities but is overshadowed by the original Monotron and Delay in terms of versatility and interest.
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The Monotron Delay's delay effect is compared to the Volca Delay, which uses a PT2399 digital chip, highlighting the Monotron's analog uniqueness.
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The Monotron Duo can quantize the ribbon to play scales and melodies, unlike the Delay, which spans the full pitch range, making it less suitable for precise note playing.
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Mods and upgrades

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Owners have successfully modified the Monotron Delay to add a resonance knob, enhancing the self-resonance on the filter, though it requires detailed soldering work.
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Owners have modified the Monotron Delay to add resonance control to its filter, enhancing its use for processing other instruments through the auxiliary port.
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Value and pricing

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It's considered one of the best value sound toys for its price, especially when used as a reverb with low echo settings alongside devices like the PO-32.
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User experience

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Some users find the Monotron Delay more enjoyable for its noisy delay effect and ability to filter and add delay to external audio, despite its limited note-playability.
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Critic Reviews

Korg Monotron

soundonsound.com

The Korg Monotron is a pocket-sized marvel that combines nostalgia with genuine analog sound. Its compact form belies its capability, featuring the iconic MS10/MS20 filter and true analog synthesis. While the ribbon keyboard might challenge those with larger fingers, it offers a unique performance experience reminiscent of a Stylophone. This synth shines as both a standalone instrument and an external audio processor, allowing for creative manipulation of external signals. Despite minor limitations like background hiss and a short ribbon, the Monotron's affordability and distinctive character make it a delightful addition to any synth enthusiast's arsenal.

positive

Full Review

Review: Korg Monotron — AudioTechnology

audiotechnology.com

For a superb little synth, the Korg Monotron packs an impressive punch, delivering true analog warmth at an unbeatable price. Its compact size and portability make it perfect for on-the-go synthesis, while the legendary MS-10 and MS-20 filter design adds depth. However, the plastic build feels fragile, and the tiny speaker underwhelms without external amplification. Despite its toy-like appearance, the Monotron proves to be a fun and expressive instrument, offering surprising tonal range and modulation capabilities. A great value buy for analog enthusiasts looking for a pocket-sized powerhouse.

positive

Full Review

Korg Monotron review | MusicRadar

musicradar.com

Full Review

Absolute Music Community – THE KORG MONOTRON ANALOG SYNTHESIZER REVIEW

absolutemusic.co.uk

Full Review

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4.0 out of 5

Based on 11 Reviews and 97 Ratings

5 star

4 star

3 star

2 star

1 star

artifex_adrift

903

over 4 years ago

More of a toy than anything

Firstly, I didn't buy the Monotron to integrate into a professional studio or anything. I build a lot of analog synthesizers and picked this up out of curiosity more than anything. It's really neat for the first day or so, but to be honest the size if probably the biggest issue. Since the ribbon track is so small, it's hard to manipulate with a great deal of precision. That and I personally don't really like overly tactile electronic instruments, so that's a downside for me when playing it. You can however patch it into other devices via patch cable and use it as a fun supplement to create some interesting sounds.

Like I say, it's more of a "gee-whiz" toy that loses its novelty fairly quickly, but I don't think any of us would realistically purchase one to record an album with anyway, so maybe give it a try if you're into low-cost gadget experimentation.

Roles:

Guitarist Music Producer Audio Engineer

Genres:

Surf music Jazz fusion Metal

spaker

464

about 9 years ago

Size of a deck of cards real analog synth

Korg circuitry VCF, LFO, and VCO. Totally portable with internal speaker and battery power. It even has an input in case you'd like to apply another audio signal to those Korg circuitry Oscillators and Filter. Ribbon keyboard makes for cool sounding "slide while knob twisting" noises. I gave one of these to a young cousin who saw me playing with one. That was three years ago, before he had ever heard of a synth of any kind. He just filled his second modular rack last month and is trying to decide on either a third or one large rack to incorporate his dozens of synth modules. Everyone starts someplace.

Roles:

Music Producer DJ Audio Engineer

Genres:

Electronic Techno Downtempo

jimmarchi1

41029

9 years ago about 9 years ago

I got a duo for my kid but I use it too, mostly as a guitar effect of just a general effect to treat another synth like a DX7 or the fake Rhodes samples in my P88. Kids love these little fuckers. some how when I let my son play with my big synths he makes patches that sound like the monotron.

finetales

199

about 9 years ago

Why not?

It's fun to mess around and make chaotic noise with, but where I think it shines the most is as an external filter for a different synth. There's an awesome YouTube video of someone running a Kawai K1 through it that inspired me to get it in the first place. Really cheap to pick up (even though this classic version (which is the best one IMO) isn't made anymore) and a fun way to get an MS-20 filter sound. It's noisy but for <$50 what do you expect? The MS-20 is noisy.

Roles:

Keyboardist Composer

Genres:

Orchestra Disco Big Band

digitalwint3r

230

almost 11 years ago

The Korg Monotron, the original mini badass.

I own all three monotrons but I have to in terms of making synth growl noises with all three of them I think the original would be the most appropriate for making those sorts of sounds because this synthesizer allows you to modulate the pitch and cutoff really well.

spleentaste

1271

over 8 years ago

AMAZING FILTER FOR A COMPACT SYNTH

it's an amazing synth very compact which you can use as a synth or a filter...for only 20$....

Roles:

Guitarist Keyboardist Composer

Genres:

Electronic Rock Pop

crtaveras

over 9 years ago

Korg Monotron. Fun filters.

The Monotron has some fun features that great to incorporate into any studio. Strictly use it for the filters. Not very usable as an instrument for me.

xaqary

5455

over 9 years ago

Yep

I have one. I can't imagine I can add anything that already hasn't been said.. Fun unit, super fun as a teaching tool.

jimmarchi1

41029

9 years ago over 9 years ago

I got mine for Lucian but I play with it more. I use the filter input a lot while tracking guitars and mixing drum loops and stuff.

xaqary

5455

9 years ago over 9 years ago

Yeah it's a super fun piece. I used it a ton when I first got it but it's gotten fairly dusty. I should really break that sucker back out. That's one of the awesome things about adding gear here is I remember all the options I have.