Aquila 225U Flat Spiral Series – Reliable Low B String for Acoustic Bass

The Aquila 225U Acoustic Bass Single String - Low B is purpose-built for musicians needing a dependable low B string for their acoustic bass guitar. Suited for 864 mm scale length, this model fits most standard long-scale acoustic basses. Designed for stability, clarity, and easy installation, the string’s flatwound copper winding and eco-friendly bioplastic core make it stand out in its class.

Flatwound Construction & Eco Material

What stands out is the unique blend of flatwound copper winding and a monofilament "Sugar" bioplastic core. This pairing reduces finger noise and supports smooth playability, while also being mindful of environmental impact.

• Winding: Flatwound copper — delivers mellow, balanced tone while minimizing finger squeak
• Thanks to its monofilament "Sugar" bioplastic core, players experience stable tuning and a smaller ecological footprint.
• Scale Length: 864 mm — compatible with standard long scale acoustic basses