Yamaha YSL350C COMPACT
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Information
Information
Manufacturer Information
Yamaha
https://www.yamaha.com
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Safety manager:
Yamaha Music Europe GmbH
Email: info@yamaha.de
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A "compact" Yamaha that retains the spirit of the traditional trombone
The Yamaha 350C was designed to address a real challenge for young beginners: the arm length needed to comfortably reach all positions on a modern trombone. Yamaha offers an ingenious approach here: maintaining the landmarks and feel of a standard-sized tenor trombone, while reducing bulk and making some extreme positions unnecessary thanks to an ascending valve. The result: a more accessible instrument without giving up the "true" slide playing.
For whom, and in which styles?
This trombone is primarily intended for children and young beginners who want to start on a serious instrument with a full sound, but easier to handle than a conventional model. It is very suitable for learning in music schools, wind orchestras, or brass bands, and allows exploration of both classical repertoire and pop music as well as the basics of jazz (articulation, glissandos, sound placement).
Sound and design
The Yamaha 350C focuses on a design that promotes projection and presence. Its 204 mm bell (standard size) in gold brass delivers a warm and round color, with generous projection without harshness. The 12.7 - 13.34 mm bore offers a good compromise: enough openness for a full sound while remaining comfortable to develop pitch accuracy and endurance. The slide combines an inner slide in nickel silver (smoothness, durability) and an outer slide in yellow brass, with a lacquered finish that protects the instrument and keeps a neat appearance over time.
Recommended compatible accessories
Delivered with an SL-48S mouthpiece and a case, this trombone can be complemented by essential maintenance items compatible with all slide trombones: slide lubricant (cream or spray) and a cleaning swab for the tubing.
Technical specifications
| Trombone type | Complete |
| Level | Student |
| Tone | Bb / C |
| Body material | Varnished brass |
| Color | Yellow |
| Finishing | Varnished |
| Key | B-flat/C |
| Bore | 12.7 - 13.34 mm |
| Finish | lacquered |
| Inner slide | nickel silver |
| Outer slide | yellow brass |
| Bell | gold brass |
| Bell diameter | 204 mm |
| Comes with mouthpiece | SL-48S |
Questions frequently asked
Is the Yamaha YSL350C suitable for a beginning child?
This model was designed for children and young beginners, featuring an upward valve that avoids certain extreme slide positions. It retains a 204 mm bell and a bore size ranging from 12.7 to 13.34 mm.
How does the upward valve work on this compact trombone?
The upward valve reduces the arm length required to reach certain notes. Slide practice remains central to playing, with positions close to those of a standard tenor trombone.
What sound does the gold brass bell provide?
Thanks to its 204 mm gold brass bell, the instrument produces a warm and rounded tone. The projection is described as generous without harshness.
Which mouthpiece is supplied with the YSL350C?
The Yamaha SL-48S mouthpiece is included, along with a carrying case.
What maintenance products should be used for the slide?
A slide cream or spray lubricant can be used to maintain smooth slide action. The inner slide is made of nickel silver and the outer slide of yellow brass. A cleaning swab suited for the tubing completes regular maintenance.



