Thomastik: Spirocore Double Bass Strings S42 5 STRING SET HIGH C



Thomastik Spirocore Double Bass 5 String with a High C (medium gage). Spiral steel core.

SKU: S42 w/S35 5 String Categories: , Tag:


Thomastik Spirocore Double Bass Strings are a further technical double bass string development of the Kunstler Seil series and have a flexible spiral steel core. This double bass string core has greater elasticity than that of conventional steel strings, which means less inertia and a higher propensity to musical vibration within the string. The sound of Spirocore Double Bass Strings is full and homogenous, balanced and voluminous

S42 Thomastik Spirocore Double Bass Strings have been calibrated to satisfy the express wish of many jazz upright bass players. These double bass strings are favored by jazz double bassists because of there suitability for amplified pickup tone.

*Please be aware that Spirocore only produces a MEDIUM gauge “high C.”

Thread Color Key:
Light (W)= Red Bottom, Purple Top
Medium (M)= Red Bottom, Red Top
Heavy (S) = Red Bottom, Green Top
Solo (M) = Red Bottom, Yellow Top


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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