Detail 01
Large bore sizing
Sized to seat in a large-bore bass trombone bell. Fit in a smaller bell is not guaranteed.

Independent shopping perspective
Straight mute for bass trombone with a large bore. Stonelined fiber construction. For players who need a standard straight mute for large-bore horns.

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
Sized to seat in a large-bore bass trombone bell. Fit in a smaller bell is not guaranteed.
Detail 02
The cone shape gives the bright, edgy, cutting tone written as 'straight mute' in most parts.
Detail 03
Fiber shell with an interior lining, lighter than metal and less prone to denting a bell than aluminum.
Detail 04
Corks hold the mute in the bell. They compress over time and change how far the mute sits in.
Detail 05
No adjustable slide, so you correct any pitch shift with your slide and embouchure.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is built for large-bore bass trombone bells. On a tenor it will likely sit too shallow or fall out. Use a tenor-sized straight mute instead.
Straight mutes generally push pitch sharp, more in the upper register. This one is not tunable, so you adjust with the slide.
No. It is a stonelined fiber mute, not aluminum or copper.
Make sure the corks are clean and not compressed flat. If they have worn down, they can be built up or replaced.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.