SKU: 2371869695

Korg Polysix w/ Kiwisix MIDI

Sale price$1619.99 Regular price$1799.99
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Description

Korg Polysix w/ Kiwisix MIDIKorg Polysix with Kiwisix MIDI retrofit vintage polyphonic synthesizer for sale. We paid our tech for the 15 hours of skilled labor required to meticulously service and upgrade this Polysix the right way, without cutting corners like most other sellers do making it more valuable than lesser examples you may find. We are professional perfectionists with decades of experience and an exceptional level of customer satisfaction, so you'll get what you pay

Korg Polysix with Kiwisix MIDI retrofit vintage polyphonic synthesizer for sale.

We paid our tech for the 15 hours of skilled labor required to meticulously service and upgrade this Polysix the right way, without cutting corners like most other sellers do / making it more valuable than lesser examples you may find. We are professional perfectionists with decades of experience and an exceptional level of customer satisfaction, so you'll get what you pay for.

In addition to the cost of this item plus its proper restoration, we invested around $500 in 2 important upgrades - 1. a Kiwisix MIDI retrofit (which adds excellent MIDI control other retrofits don't offer that takes this synth to a whole other level), and 2. a new Kiwi power supply board that'll hopefully extend this unit's life way beyond that of others you may find that don't have this new power supply. 

In addition to any repairs, we performed the following work to make this instrument work like new again:

Tact switches were replaced so buttons work flawlessly.
All pots and switches were cleaned and lubed. 
Unit was cleaned inside and out.
Key contacts were cleaned.
Oscillators were recalibrated.
Filters were recalibrated.
Multiple systematic burn-in tests were performed to ensure full functionality and reliability.
All tests passed, and now this unit is ready for its next happy home! It will of course be packed to withstand abuse so it arrives intact, which is sadly not the norm these days!

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This is a great sounding polyphonic analog synth keyboard. It's one of our favorite sounding synths. It's got memory for you to store your sounds, lots of knobs, a built in arpeggiator and a unique sounding effects section with chorus/phaser/ensemble effects. The sound is extremely warm, thanks to this effects section and the SSM chips inside. The unison and 1 finger chord sections are great as well. We think it sounds a lot warmer and interesting than a lot of other popular vintage synths, particularly the Roland Juno-106 which is similar in some ways but offers fewer features.

Here's one of our restored polysixes:





https://www.instagram.com/p/CSXEu5TntPS/

https://www.instagram.com/p/CSM72yygJFr/

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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2371869695

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Mr Shoe
Birmingham, US
★★★★★ 5
Great product
Size: CRV 2023-26 2.0L Hybird
I received the engine air filter and as a bonus they included a cabin air filter. Great product and easy to install.
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Reviewed in the United States on March 15, 2026
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RageLikeReptar
Battle Creek, US
★★★★★ 5
Perfect
Size: CRV 2023-26 2.0L Hybird
After having my car for almost a year and searching forever to find an air filter this one fits I've had trouble at AutoZone and O'Reilly's with them saying different conflicting things as well as the dealership but rest assured if you have the 2025 hybrid this will 100% fit it's a great value for the money the quality is the same as you would get at the dealership
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Reviewed in the United States on February 25, 2026
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Barbara Taylor
Houston, US
★★★★★ 5
Highly Recommended – Saved Big and Easy Install at 83 Years Old!
Size: CF10134&CA11476
I’ve been taking my cars to my favorite garage for over 25 years, so I trust them completely. When they quoted me $150 just to install and purchase the cabin and engine air filters on my 2016 Honda Accord, I decided to try doing it myself. I bought this Cabin & Engine Air Filter set (fits Honda Accord 2.4L 2013-2017 and Acura TLX) for only about $27 delivered. What a difference in price! Installation was surprisingly straightforward. Everything fit perfectly with no issues. The only extra step was doing a simple factory reset on the control panel, which was very easy and took just a couple of minutes. At 83 years old, I’m proud to say I handled the whole job myself in my driveway. The filters seem high quality, especially with the activated carbon cabin filter. My car runs cleaner now and the air inside smells fresher. Excellent value and perfect fit. If you’re even a little handy, don’t pay the high dealer/garage prices — get this kit and do it yourself. Highly recommended! Would buy again without hesitation.
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Reviewed in the United States on May 28, 2026
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Todd Depczynski
Boise, US
★★★★★ 5
Perfect Fit & Performance for 2022 Explorer ✅
Size: CA10242&CF12772, Size: CA10242&CF12772
I recently installed this filter set on my 2022 Ford Explorer (2.3L), and I’m very impressed with the results. Both the engine and cabin filters were a perfect fit with no installation issues. Performance & Quality: Solid Build: These feel much sturdier and higher quality than the filters I removed. I bought my vehicle used, and it seems the previous owners used whatever generic parts they could find. These are a noticeable step up. Fuel Efficiency: Since the swap, my MPG has remained rock steady at 26.1 MPG while running 89 octane fuel. It’s good to know the engine is breathing efficiently. Cabin Comfort: The cabin air is noticeably fresh, and the airflow is excellent—no whistling or restricted feel through the vents. Value: Getting both filters in one set is a great deal compared to buying them individually at a local auto parts store or the dealership. I’ll definitely be looking at these again in the next 6 to 12 months for my next maintenance cycle. Bottom Line: If you’re looking for a reliable, cost-effective alternative to dealership prices that doesn't compromise on performance, this is a great choice. See Old vs New Photo
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Reviewed in the United States on April 29, 2026
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mark
West Palm Beach, US
★★★★★ 5
Good quality and good value
Size: CF12150&CA10262
Filters fit perfectly in my truck, good value for the money, looks like a good quality product
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Reviewed in the United States on May 26, 2026

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