Kai Arvi Double Bass, 2005, P.E.I., Canada



Kai Arvi double bass with C-extension, featuring lightly figured maple, pronounced arching and Kai’s elegant pattern. Sloane tuners. Well played, ready to be tuned to your style.



Kai Arvi Double Bass, 2005, Opus 121

This early 2000s Kai Arvi double bass has a darker finish that really brings out the contours of its hallmark shape. Lightly figured but dense maple, this instrument weighs in on the heavier side. Features a fingered C-extension, Sloane tuners, and giant bumpers. Please call for more pricing and details! +1 (860) 535-9399.


  • Upper Bout: 20.25”
  • C Bout: 14.75”
  • Lower Bout: 27.25”
  • Length of Back: 46”
  • Rib Depth: 6 7/8 – 8 1/8
  • String Length: 42”
  • Neck: D
  • Weight: 27 lbs


***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 Prescott double bass 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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