The Yamaha YBL-421G is a high-quality intermediate bass trombone designed for players who need the extended range and rich tone of a bass trombone at an accessible price point. It features a large gold-brass bell for a warm, powerful sound, and a single rotary valve that extends playing flexibility without the complexity of a double-valve system. With Yamaha’s consistent build quality, smooth slide action, and excellent intonation, this instrument is ideal for advancing students and ensemble players.
Specifications
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Key: Bb / F
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Bore Size: 14.3 mm (0.563″) – large bore
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Bell Size: 241 mm (9 1/2″) gold brass bell
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Bell Material: Gold brass (warm, rich tone)
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Slide: Chrome-plated inner slide; yellow brass outer slide
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Valve: Single rotor (F attachment)
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Finish: Clear lacquer
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Mouthpiece: Yamaha 58L
