Thunder Reds Low-B String: Enhanced Performance for Bass Ukulele

The Aquila 169U - Thunder Reds, Bass Ukulele / U-Bass Single String - Low-B (5th), 23 - 26 Scale is tailored for the low B (5th) position on 5-string bass ukuleles and U-Bass instruments in the 59–66 cm scale range. This model’s construction uses a proprietary mix of synthetic elastomers and micronized red copper, delivering a tonal upgrade over traditional rubber-based strings. Intonation stays fast and stable, while the distinctive dark red color stands out both on stage and in the studio.

What Makes Thunder Reds Distinctive

By incorporating copper powder within the elastomer blend, this string achieves a thinner gauge, resulting in increased sustain and volume. Players also notice improved finger glide and a smoother, less sticky surface than standard bass uke strings.