Spirocore upright double bass string low B at Quantum Bass Center – Quantum Bass Market

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Spirocore Bass String, Single 5th String Low B (H2), Medium Gauge - Quantum Bass Market

Spirocore Bass String, Single 5th String Low B (H2), Medium Gauge

Regular price
$89.25
Sale price
$86.95
Shipping calculated at checkout.
Quantity must be 1 or more

This is a Spirocore Medium gauge single low B string (specifically) for 5-string bass. It's the same length as the G,D,A,and E strings. If you're looking for a low B EXTENDED string for a B extension, it's HERE
In German, this is an H string, as 'B' actually refers to B-flat, and H designates B-natural - hence Thomastik's labelling of the string as H. You'll always get the right string for your 5-string if you specify H.

Personally, we are loving us some Spirocore low B on a 5-string bass, as it has a powerful fundamental pitch.