Stagg WS-TB285 Bb Valve Trombone

Stagg WS-TB285 Bb Valve Trombone is a Bb valve trombone with 3 nickel silver piston valves instead of a slide, a 12.7 mm S-bore and a 20.3 cm brass bell. It comes with a 12C silver plated mouthpiece and a soft case with backpack straps.

Specifications

SKU	21030
Model	WS-TB285
Key	Bb
Bore	S-bore
Valves	3 nickel silver piston valves
Body material	Brass
Bell	Brass
Water keys	2
Mouthpiece	12C, silver plated
Case	Soft case with backpack straps
Testing	Workshop tested
Finish	Clear lacquer

Measurements

S-bore	12.7 mm (0.499”)
Brass bell diameter	20.3 cm (7.99”)
Case dimensions	92 x 30 x 25 cm (36.22 x 11.81 x 9.84”)

What is included

• Stagg WS-TB285 Bb valve trombone
• Mouthpiece 12C, silver plated
• Soft case with backpack straps

Common questions

What is a valve trombone like the Stagg WS-TB285?

The Stagg WS-TB285 is a Bb trombone played with 3 nickel silver piston valves instead of slide positions.

What key is the Stagg WS-TB285 valve trombone in?

The Stagg WS-TB285 valve trombone is in Bb.

What is the bore and bell size of the Stagg WS-TB285?

The Stagg WS-TB285 has a 12.7 mm (0.499”) S-bore and a 20.3 cm (7.99”) brass bell.

How many water keys does the Stagg WS-TB285 have?

The Stagg WS-TB285 valve trombone has 2 water keys.

Does the Stagg WS-TB285 come with a case and mouthpiece?

Yes. The Stagg WS-TB285 comes with a 12C silver plated mouthpiece and a soft case with backpack straps measuring 92 x 30 x 25 cm (36.22 x 11.81 x 9.84”).

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📸 NOTE ON PHOTOS

This instrument may ship from our partner warehouse. The photos show a representative example — you will receive an instrument that matches the model, specs, and quality shown, but it may not be the exact piece pictured. Products may be shipped in manufacturing packaging to reduce waste. If you have questions before ordering, we're happy to help.