SOLD: Kay M1 Double Bass Viol, 1955, Chicago, Ill.


One owner! Great shape, a vintage classic.


Kay Bass Viol, M1 Model, 1955

Serial No. 37710

One-owner Kay M1 double bass, very original, well maintained, no issues. A preserved classic from their heyday in the 1950’s!

***Please note, double basses do not qualify for the website FREE SHIPPING promotion.  Please contact us for shipping, courier or pickup options prior to placing your order.

Upton Bass String Instrument Co. specializes in building award-winning custom double basses and offers accessories for the double bass. Upton Bass also services all instruments and bows of the violin family with world-class restoration and repair, to view our online restoration portfolio visit

Upton Bass is ready to offer advice and answer any questions regarding this Kay M1 bass viol or related bass topics. Please contact UB at or call the shop at +1 (860) 535-9399. Hours of operation Tuesday through Saturday 10 am – 6 pm. The Workshop (The Barn) and showroom are located in Mystic, Connecticut conveniently between Boston and NYC.





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