SKU: 75524375997

Korg Mono/Poly

Sale price$1574.55 Regular price$1749.50
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Description

Korg Mono/PolyKorg Monopoly for sale, meticulously refurbished over approximately 16 hours, resulting in an instrument that works better than the rest and is justifiably pricier, but is ready to use professionally. The person who sold us this unit said it was working fine, but in reality, it had several significant problems and needed a full and costly overhaul, including a $200 part (and others). 37383x Here's a list of some of the work we did to this unit:

Korg Monopoly for sale, meticulously refurbished over approximately 16 hours, resulting in an instrument that works better than the rest...and is justifiably pricier, but is ready to use professionally. The person who sold us this unit said it was working fine, but in reality, it had several significant problems and needed a full and costly overhaul, including a $200 part (and others).

37383x

Here's a list of some of the work we did to this unit:

Cleaned unit inside and out.
Rebuilt power supply (replaced electrolytic capacitors) (future-proofing measure)
Replaced all electrolytic capacitors throughout unit (future-proofing measure)
Recalibrated. All ok. 
Cleaned all potentiometers.
Cleaned all switches.
Cleaned all key contacts. 

The MP-4 is either a 4 oscillator monosynth or a 4 voice polysynth. Packed with lots of cool features (cross modulation, oscillator sync, 2 LFOs, etc), this synth packs lots of power. Ghost Culture recorded a whole album with this keyboard - check out his track Giudecca, it's one of our faves, and made us realize we needed one of these in our studio too.


Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 75524375997

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4.3 ★★★★★
Based on 6 reviews
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Yulia
Bozeman, US
★★★★★ 5
very nice if fits right
Size: 34G, Color: Black- Unlined
it's such a nice bra. smooth and pleasant fabric. if only cups could be a little deeper. it cuts trough the boob and doesn't look nice my size is 34G - but boob still spills out, tried 36f - same. will try and see if 36G will work but afraid wire diameter will go up and won't fit me properly
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Reviewed in the United States on June 23, 2025
T
Verified Purchase
Tenesha Dillion-Zamor
Massapequa, US
★★★★★ 5
Stylish and practical backpack for work and travel
Color: Upgrade-apricot, Size: 15.6 Inch, Color: Upgrade-apricot, Size: 15.6 Inch
For both everyday work and travel, this bag has proven to be an excellent option. I can feel secure bringing my computer around because to the 15.6-inch laptop compartment's solid fit and ample padding. Notebooks, chargers, and a few personal belongings can fit in the spacious main compartment without feeling crowded. The apricot color looks polished but still casual enough to wear outside of work, and I really enjoy the sleek and fashionable shape. Even when the bag is completely packed, the straps remain comfy, and the stitching seems sturdy. I particularly enjoy that there are several pockets, including smaller ones for a phone, pencils, or keys. It makes everything accessible and well-organized. If the material gets a bit dusty while traveling, it washes clean and the zippers open smoothly. It is lightweight, adaptable, and functions well as a carry-on, purse-style bag, or business backpack. All things considered, it's a good everyday bag that is both practical and stylish.
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Reviewed in the United States on September 26, 2025
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Verified Purchase
DENISE
Los Angeles, US
★★★★★ 5
Chic - Nice - backpack
Color: Upgrade-champagne Brown, Size: 14 Inch
Best laptop backpack Color adorable Quality amazing Thousands of pockets on the sides , inside back and front , plenty of storage Material is great
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Reviewed in the United States on May 16, 2026
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Verified Purchase
JH Kingsbury
Charlottesville, US
★★★★★ 5
Perfect for a backpack or a purse
Color: Upgrade-black, Size: 14 Inch, Color: Upgrade-black, Size: 14 Inch
I love this black backpack. It has gold zippers and brown accents and it has a pocket in the front two on the side three inside and a pocket on the back of the laptop pocket. I have a disability and have to carry extra stuff so this is a perfect size for me to wear in my back every day. It’s black nylon so it should stay clean. I tend to drop things. I think this will be great, but even without a disability, this is a great backpack. It’s so cute.
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Reviewed in the United States on October 7, 2025
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Rachel Fitzpatrick
Houston, US
★★★★★ 5
Perfect day bag!
Color: Upgrade-black, Size: 15.6 Inch
Super convenient and lightweight. I used it for two back-to-back conferences last week and it was PERFECT for what I needed to tote along all day. Fits my regular sized computer (15-16 inch) and even held my water bottle (which is larger than a regular plastic water bottle).
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Reviewed in the United States on February 27, 2026

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