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Korg 1970's 770 Monophonic Synthesizer - Vintage

Marsoni M251S
Sale price$874.48
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Korg 1970's 770 Monophonic Synthesizer - VintageThis vintage Korg 770 synthesizer is in very good condition for its age. Originally released in 1976, the 770 is a rather rare synthesizer and especially rare to be found in such clean condition. It features two oscillators, two LFO's, two filters, multiple noise generators, and a unique ring mod section. This synthesizer has been play tested in house and is in working condition. The oscillators stay in tune well and all functions operate properly. In
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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.
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Lesly
Phoenix, US
★★★★★ 5
Excelent quality
Size: One Size, Color: Black Passcase
I bought this Calvin Klein men’s wallet for my husband, and it exceeded our expectations. The leather feels premium and durable, with a sleek, minimalist design that matches any style. It’s compact enough to fit comfortably in his pocket, yet spacious enough for all his cards and cash. The stitching and logo details give it a touch of elegance without being flashy. After several weeks of use, it still looks brand new. Definitely worth the price — classic Calvin Klein quality and sophistication!
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Reviewed in the United States on October 22, 2025
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Yvonne
Natrona Heights, US
★★★★★ 5
Great purchase
Size: One Size, Color: Black Slimfold
Great look. Soft not stiff, great quality. Definitely a great purchase
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Reviewed in the United States on May 4, 2026
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TB
Birmingham, US
★★★★★ 5
Nice CK Wallet!
Size: One Size, Color: Black Slimfold, Size: One Size, Color: Black Slimfold
Next-day shipping is fantastic! The wallet is a soft, comfortable, and perfectly sized wallet that fits snugly in my pant pocket. It can hold up to nine cards and an ID, along with two cash compartments. The wallet functions seamlessly without any issues.
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Reviewed in the United States on January 16, 2026
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Austin Pleskovitch
Natrona Heights, US
★★★★★ 4
Wallet
Pretty nice wallet, good quality and little small if you have a lot of cards or cash, unfortunately there isn’t a I’d holder where it flips down so you have to dig it out of your pocket.
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Reviewed in the United States on January 7, 2026
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Sarah Valenzuela
New York, US
★★★★★ 5
Quality wallet
Size: One Size, Color: Black Passcase
Has stood the test of time and still works wonderfully for my husband he is very hard on his wallets and it still looks brand new over a year later standard sized wallet but has a nice sturdy feel
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Reviewed in the United States on March 31, 2026

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