Detail 01
Lower octave
Longer tubes than the standard set, so pitches sit an octave down and carry the bass line.

Independent shopping perspective
A tuned tube set covering a C major scale in the lower octave. For classroom and group play where the bass line needs to be heard.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Longer tubes than the standard set, so pitches sit an octave down and carry the bass line.
Detail 02
Naturals only. You get C major and its modes, but no accidentals for other keys.
Detail 03
Each tube plays one fixed pitch. Ensemble music is built by assigning one tube per person.
Detail 04
Struck against a hand, floor, or surface. Tone changes with what you hit.
Detail 05
Enough for one player per note in a class, or one person handling a simple bass part.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. This set is tuned to the same C major scale an octave lower, so it layers under a standard set for bass parts.
Only keys that use natural notes. Anything needing sharps or flats requires a chromatic add-on set.
Loud enough for a classroom. Volume and tone depend on what you strike — a hand is softer, a hard floor is brighter.
Less so. These are built for group play where each person holds one pitch. A single player can only do simple lines.