Designed to set the standard for the greatest Jazz players, more and more Arco soloists continue to discover the beauty of sound and playability of SPIROCORE strings. Made in Austria.

For 100 years, Thomastik-Infeld has been producing fine orchestral and fretted instrument strings in our Vienna factory. Every set we make has been precision-engineered and exhaustively tested until we were satisfied that they fulfilled our intentions - and live up to your musical expectations as well. Spirocore Bass strings are an important part of this legacy. They are the reference standard string for upright bass for jazz and other artists seeking optimal pizzacato performance. Why? They provide a tremendous, articulate sustain and a big sound perfect for jazz, bluegrass, blues, and other genres. Orchestra tuning (G/D/A/E)...designed specifically for 4/4 scale upright basses needing optimal tension for top performance. Choose Thomastik-Infeld and choose 100 years of experience!

Thomastik-Infeld Spirocore S42 4/4 Upright Bass String Set.
Thomastik is one of the top names in strings- trusted by pros the world over.
Thomastik-Infeld Spirocore strings have a flexible multi-wire spiral rope core.
They offer a longer period of musical vibration and significantly reduce inertia.
Spirocore strings are equally effective when playing Arco or pizzicato.
They are highly responsive and long lasting.
This is your chance to get the string set you need for the price you want.