Detail 01
Straight mute (not cup, plunger, or practice)
Pinches the sound into a thin, nasal, edgy tone that projects. Loudest and brightest of the mute types.
Product detailSKU #1274115059445
Tom CrownTC7 Trombone Straight Mute
Independent shopping perspective
The Korena take
Straight mute for tenor or bass trombone. Buy it if your band charts call for a bright, cutting muted sound and you need the standard tool.
Strong match
Who this is for
- Concert band and orchestra parts marked straight mute
- Big band section work needing a hard, focused edge
- Students building out a required mute collection
Consider the trade-offs
When to look elsewhere
- Players wanting a soft, distant muted sound
- Anyone needing practice volume reduction rather than tone change
- Trumpet or horn players — wrong bore size
What matters in use
The specifications, translated
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 02
Cork mounting
Three corks hold it in the bell by friction. They compress with use and eventually need replacing or shimming.
Detail 03
Trombone-specific sizing
Sized for a trombone bell throat. It will not seat correctly in trumpet, horn, or euphonium bells.
Detail 04
Insert-style fit
Sits in the bell rather than clamping on, so it can drop out on fast removals if the corks are worn.
Detail 05
Under $100 price point
Puts a standard straight mute in reach for a school player without hand-me-down compromises.
Final check
Know before you order
- 01Confirm your bell size — tenor and bass trombone bells vary and fit depends on it
- 02Mutes raise pitch; expect to pull the slide out slightly when muted
- 03Check corks for a snug hold before a performance; loose corks mean a dropped mute
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this work on a bass trombone?
It depends on your bell diameter. Bass trombone bells run larger than tenor, so measure your bell throat and compare before ordering.
02Can I use this as a practice mute?
No. A straight mute changes tone color, not volume. It stays loud. For quiet practice you need a dedicated practice mute.
03Why does my pitch go sharp with the mute in?
Inserting a mute restricts the bell and pushes the pitch up. Compensate by pulling the slide out slightly while muted.
04What do I do if the mute keeps falling out?
The corks have compressed. Build them up with cork shims or replace them so the mute grips the bell again.
