Korg monotron DUO Dual Oscillator Ribbon Synthesizer

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Product Highlights

  • Dual Analog Oscillators
  • Completely Portable Design
  • Battery Operation
  • Built-in Speaker
  • Analog Filter with Input
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You Pay: $49.99

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The Korg monotron DUO Dual Oscillator Ribbon Synthesizer is a compact and portable monophonic analog synthesizer with a ribbon keyboard and built-in speaker. The monotron DUO features dual oscillators for creating a wide range of analog sounds and intervals, and its filter is based on the world famous Mono/Poly synthesizer. There is a filter input for routing external audio devices through the monotron DUO's filter, as well as a headphone output for playing and programming sounds privately. The monotron DUO is battery operated, allowing musicians and enthusiasts the flexibility of a powerful mono synthesizer on the go.

Two analog oscillators (VCO) with individual tunings
Edgy X-MOD (with intensity knob) circuit from Korg's classic Mono/Poly
VCF with cutoff and peak Control
Ribbon controller keyboard with scale select
Original Analog (VCF) Filter taken from the classic MS-10 & MS-20
Aux input jack lets you apply filter to any audio source
Built-in speaker and battery power for go-anywhere analog sound
Headphone jack for private use
Oscillation System 2 VCOs (Square Wave) with X-Mod; 1 VCF
Switches Standby / VCO1 / VCO1+2
Scale Select Button: (Chromatic -> Major -> Minor -> Off)
Knobs VCO1 Pitch, X-MOD Int., VCO2 Pitch, VCF Cutoff, VCF Peak
Controller Wide range ribbon controller
Volume Headphone Volume
AUX Input 1/8" Stereo Jack
Headphone Output 1/8" Stereo Jack
Speaker Miniature Internal;
Disabled when headphones are in use
Power AAA batteries (x2), recommended alkaline batteries
Battery Life: Approximately 8 hours (with alkaline batteries)
Dimensions (WxDxH) 4.72 x 2.83 x 1.10" (120 x 72 x 28mm)
Weight 3.35 oz (95g) (without batteries)
Packaging Info
Package Weight 0.45 lb
Box Dimensions (LxWxH) 8.6 x 6.1 x 1.9"
Korg monotron DUO Dual Oscillator Ribbon Synthesizer
  • 3 Year Warranty

    by PowerReviews
    Korgmonotron DUO Dual Oscillator Ribbon Synthesizer

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



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    • 1 Stars



    Reviewed by 1 customer

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    (0 of 3 customers found this review helpful)


    Much fun!

    By Humboldtrick

    from Eureka, CA

    About Me Novice

    Verified Buyer


    • Compact
    • Fun
    • Lightweight


      Best Uses

        Comments about Korg monotron DUO Dual Oscillator Ribbon Synthesizer:

        Lots o' fun!

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        Batteries & Power

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        Required item: Batteries (not included) are required to power this device.

        Watson - 4-Hour Rapid Charger with 4 AAA NiMH Rechargeable Batteries (1000mAh)
        • You Pay: $16.95
        Panasonic - Eneloop AAA Rechargeable Ni-MH Batteries (800mAh, Pack of 4)
        • You Pay: $9.95


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        Hosa Technology - Stereo Mini Male to 2 Mono 1/4" Male Y-Cable (3')
        • You Pay: $5.70

        Cases & Protection

        Korg - Protective Case for Monotron Analog Ribbon Synthesizer
        • You Pay: $9.99
        Special Order ?
        This is a Special order item. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment. Item is non-cancelable and non-returnable.
        PayPal Orders
        PayPal orders will be charged when the order is placed.
        International Orders
        For international orders, credit cards will be charged at the time you place your order.


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        You alone can hear the music with headphones, any time.

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