SOLD: Kolstein Fendt Model Double Bass c2000

SOLD: Large pattern Kolstein Fendt flatback



This 2000 Kolstein “Fendt” Model Double Bass was maintained by an expert player and is in very good condition. It features a hand carved spruce top with nice corduroy, flat back, and violin corners. This double bass comes with the low C extension pictured in the photo on the bottom left. The extension has been removed for a more traditional setup, but can be reinstalled on the instrument. It is a large patterned instrument with deep ribs and large upper and lower bouts. A bass bag is included.


Kolstein Fendt Scroll   Kolstein Fendt Spruce Top



  • Upper Bout: 20.5″
  • C Bout: 15″
  • Lower Bout: 27″
  • Length of Back: 45″
  • Rib Depth: 6.5″ – 9″
  • String Length: 42″
  • Neck: D

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 double basses or related bass topics. Please contact UB at or call the shop at +1 (860) 535-9399. Hours of operation Tuesday through Saturday 10am – 6pm. The Workshop (The Barn) and showroom are located in Mystic, Connecticut conveniently between Boston and NYC.


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