Korg Mono/Poly Vintage Analog Polyphonic Synthesizer W/hard case 〚Very Good condition 〛

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from Yokohama, Japan

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Listed:3 months ago
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Yokohama, Japan
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Korg Mono/Poly:
A superb Japanese analog synthesizer!


The Korg Mono/Poly (MP-4), released in 1981, is an awesome Japanese analog synthesizer that is considered the “sister synthesizer” to the Korg Polysix, another legendary synth. The Mono/Poly was seen to be a bit of an experimental synth and offers 4-voice quasi-polyphony with one highly stable VCO per voice (Pulse, Saw Down, Square) and sync/unison operation which really fattens up the already warm vintage tone. It also features ADSR envelopes, a filter (24dB 4-pole Slope, High Pass, Low Pass, Resonance), and 2 LFOs. There’s a really cool arpeggiator too. The overall tone of the Mono/Poly is excellent, with warm, soft, rich sounds that make this synthesizer highly sought after. The Mono/Poly has a huge legacy and has been used by world-class artists such as Chromeo, Depeche Mode, Chemical Brothers, MGMT (their favorite synth!), and more. The Mono/Poly is a legendary synthesizer and perfect for those looking for true vintage analog synth sound!

This synth is in very good cosmetic condition, with some signs of age and use (please see photos).Surface has few minor scratches which is hard too notice in the pictures.Wooden part has many wood chipping and scratches(please check the pictures). back side of the synthesizer has some minor rust. However this unit has been thoroughly checked and tested by our professional technician, who has confirmed the integrity and flawless operation of the unit. All keys, buttons, and LEDs are working perfectly.

Additional Information

Technical Specifications
Serial : 376073
Country of Manufacture : Japan
Power Supply : AC100V 50/60Hz 28W

-Hard case
-User manual (japanese)

Please check the power requirements for this device and the specifications of your power supply. If you need to use this item in a 220-240 V environment, you'll need a transformer. We sell high quality Japanese compact transformers (Nissyo), which will allow you to use this item safely and with good performance in your country.


Import duties, taxes, and other charges which are not included in the item price or shipping charges are the buyer’s responsibility.

・Please check with your country’s customs office to determine what these additional costs will be prior to bidding or buying.

 ・Except in the case of faulty or damaged items, refunds do not include any return shipping or shipping charges. Your return shipping charge will be deducted from your refund if you receive any.

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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