Detail 01
.495" bore
Small bore. Takes less air to fill, so notes are easier to sustain and center early on.
Product detailSKU #1304132911355
EtudeETB-100 Series Student Trombone Lacquer
1/6
Independent shopping perspective
The Korena take
A Bb tenor trombone built for a first-year band student. Small .495 bore, 8-inch bell, mouthpiece and hard case in the box.
Strong match
Who this is for
- First-year middle school band students starting on trombone
- Parents who want to own rather than keep renting
- Daily school transport — the hard case handles it
Consider the trade-offs
When to look elsewhere
- Players moving into large-bore orchestral or jazz lead parts
- Anyone needing an F-attachment trigger for low positions
- Players chasing a big, broad, dark sound
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
8" bell
On the small side. Sound stays focused and easy to control, but carries less in a large hall.
Detail 03
Small mouthpiece shank
Only small-shank mouthpieces seat properly. A large-shank piece from a bigger horn will not fit.
Detail 04
Chrome-plated inner slide
Hard, slick surface that resists wear from grit. Still needs regular oil or cream and a water spray.
Detail 05
Yellow brass bell
The standard bright, direct concert-band voice. Cuts through a section rather than blending under it.
Detail 06
Thermoplastic case
Rigid shell instead of a soft bag. Survives being thrown in a locker or a bus rack.
Final check
Know before you order
- 01Mouthpiece and hard case included; stand, oil and water bottle are not
- 02Slide needs oil or cream plus a water spray to move freely
- 03Small shank only — a large-shank mouthpiece will not seat
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is this a Bb trombone?
Yes. A straight Bb tenor with no F-attachment trigger, which is the standard setup for beginner and concert band playing.
02Does it come with a mouthpiece?
Yes, a small-shank mouthpiece is included, along with a thermoplastic hard case.
03What does a .495 bore mean for a beginner?
It is a small bore, so less air fills the horn. That makes long notes easier to hold and pitch easier to center in the first year.
04Will it last through high school?
For concert band, likely several years. Players moving into jazz lead or orchestral parts usually step up to a larger bore with an F-attachment trigger.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
7 detailsBody & build
- Country of Origin
- International
- Type
- Tenor Trombone
- Bell Material
- Yellow brass
- Leadpipe Material
- Yellow brass
- Body Material
- Yellow brass
- Body Finish
- Clear lacquer
- Finish
- Clear lacquer
2 detailsSize & weight
- Bore Diameter
- .495”
- Bell Diameter
- 8”
1 detailsIn the box
- Case or Gig Bag
- Thermoplastic
5 detailsOther
- Tuning
- Bb
- Level
- Student
- Mouthpiece
- Yes
- Inner Slide
- Chrome plated
- Mouthpiece Shank
- Small
