Korg Monotron DUO Analogue Ribbon Synthesizer

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Korg Palm-Sized Battery-Powered Analog Synthesizer with Dual Oscillators

Korg Monotron Duo is a ribbon-controller keyboard that gives you not just one, but two analog oscillators to create an even more extreme sound. If you tune the oscillators in unison, you get a rich, thick analog tone. If you tune them in intervals, you can emulate classic soloing sounds and generate new effects. Tweak the X-MOD (cross modulation) circuit taken from Korg's classic Mono/Poly and you can introduce a mild or razor-sharp edge to the overall sound, providing everything from a rich vibrato to extreme metallic sounds reminiscent of an FM synth.

Enhanced ribbon controller keyboard
Monotron Duo's ribbon controller keyboard now features the familiar Scale function used on the Korg Kaossilator. You can use this button to select one of four scales: chromatic, major, minor or off. Choose the chromatic scale to play precise pitches as on a piano, or choose major or minor to generate musically coherent phrases simply by sliding your finger around on the keyboard.

Go-anywhere analog
A miniature speaker is built into Monotron Duo. Along with the battery operation and compact size, this feature allows you to enjoy and share Monotron Duo's analog synthesis sound with your friends, anywhere, at any time. Use it to entertain friends, for recording or even at karaoke during a musical interlude for solos. It also has a headphone output you can use when practicing in private, creating sounds at home, recording, or for connecting to an amplifier or PA system.

Classic Korg filtering
The distinctive tone of an analog filter (VCF) can dramatically alter and enrich the sound. Monotron Duo 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, while the VCF Peak knob 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, especially in a live performance.

Fully-patchable filter
The input jack (AUX input) built into Monotron Duo's compact body allows 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 Monotron Duo and enjoy tone-bending filter effects.

More Information
Manufacturer Korg
Condition New
Included from Manufacturer  
Analog/Digital Analog
Key Action Ribbon Controller with Scale Select
Speakers Miniature Internal
Programs/Presets 2 VCOs (Square Wave) with X-Mod; 1 VCF
Oscillators per Voice 2
Audio File Playback No
Arpeggiator No
Audio Inputs 1/8" Stereo Jack
Audio Outputs 1/8" Stereo Jack
Onboard Controllers
  • LFO Rate, Intensity
  • VCF Cutoff
  • Delay Time, Feedback
  • Product Weight 3.35 oz (without batteries)

    Korg USA Warranty Policy

    All Korg products purchased from a Korg USA authorized dealer are warranted to be free from defects in material and workmanship to the original consumer for a period of one (1) year.

    Register your new Korg keyboard, keyboard rack module or digital piano online and receive a certificate that extends the product warranty for an extra year from the date of purchase. Product must be registered within 90 days of purchase to receive an extra year of warranty.

    Tuner and Metronome products are warranted to be free from defects in material and workmanship to the original consumer for a period of three (3) years.

    Tubes, AC Adapters and Foot Switches are warranted to be free from defects in material and workmanship to the original consumer for a period of ninety (90) days.

    The customer must provide proof of purchase in order to obtain warranty service. The dated sales slip or copy thereof is the only acceptable proof of purchase.

    The product must be purchased from a Korg USA authorized dealer and have a valid serial number.

    This warranty is valid only in the USA.

    Damage resulting from the following causes are excluded from the warranty set forth above: misuse, including damage occurring during shipment, damage caused by battery leakage, accident, fire, unauthorized repairs, tampering, cosmetic damage or other types of damage which are the result of improper handling or abuse; the cleaning of controls or contacts due to exposure to dirty, dusty, or otherwise contaminated environment; damage resulting from modification; damage to units used for loan or rental.

    • 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.