Detail 01
Continuous-taper bell section
Designed to improve intonation with even resistance across registers.
Product detailSKU #1274115034315
YamahaYSL-640 Professional Trombone
1/8
Independent shopping perspective
The Korena take
A professional Bb/F tenor trombone built around a continuous-taper bell section, durable drawn slide construction, and an F-attachment rotor for smooth Bb-to-F transitions.
Strong match
Who this is for
- Professional tenor trombone players
- Players seeking an F-attachment trombone
- Players who value a durable, smooth-action slide
Consider the trade-offs
When to look elsewhere
- Players who do not want an F-attachment
- Players seeking a shank other than medium
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
Drawn inner and one-piece outer slide
Built for airtightness, smooth action, durability, and resonance.
Detail 03
F attachment
The large rotor is designed to make Bb-to-F transitions smoother.
Detail 04
Hand-lapped tuning slides and rotary valves
Designed for a close seal and light, smooth valve action.
Final check
Know before you order
- 01This is a Bb/F professional tenor trombone with an ML 0.525 in. bore and 8.5 in. bell.
- 02It uses a medium shank and includes a contoured case.
- 03The finish is gold epoxy lacquer.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What key is the YSL-640?
It is a Bb/F tenor trombone.
02What is the bore size?
It has an ML 0.525 in. bore.
03What is the bell construction?
It has an 8.5 in., two-piece yellow-brass bell with a virtually seamless laser-fused construction.
04Does it include a case and warranty?
It includes a contoured case, and Yamaha wind instruments come with a limited 5-year warranty.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsBody & build
- Body Material
- yellow brass
- Color Finish
- gold epoxy lacquer
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51274115034315
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