Yamaha YCB-623S Professional 5-Valve 4/4 C Tuba - Yellow Brass Bell - Silver-Plated

Reliable and Expressive – The Yamaha YCB-623S Professional 5-Valve 4/4 C Tuba – Yellow Brass Bell - Silver-Plated

From professional orchestras to college wind ensembles, these front-action piston tubas have been designed to give players the ability to create an energetic and reliable foundation for their ensemble. Based on input from world-class tubists, the 623S has a new layout that delivers evolutionary advances in function and playability, allowing the player to focus on what matters most: the music itself.

• Refined body design for rich tone and easy low-register response
• Floating leadpipe for clear, resonant sound
• Multi shank receiver for American and European mouthpieces
• Secondary main tuning slide for expanded pitch adjustment
• Supplied BB-69D2 mouthpiece for symphonic tone

Body Construction

The YCB-623S features a reimagined body design, with smooth curvature and straight, simple bends to optimize airflow and produce a gloriously rich tone. Thinner brass from the bell to the top bow improves response, while a smooth bottom bow guard plate enhances resonance and reduces discomfort during long playing sessions. The deep, warm timbre makes low-register passages easier and more efficient.

Leadpipe and Receiver

A floating leadpipe design leaves the bell free to vibrate naturally, improving clarity and projection. The angle and layout ensure comfortable holding and natural breathing. The multi shank receiver accepts both American and European mouthpieces without an adapter, allowing players to use their preferred setup with ease.

Valve and Tuning Features

Equipped with four front pistons and a rotary valve, the YCB-623S offers responsive playability. The secondary main tuning slide extends tuning range and allows fine adjustments while playing. Vented pistons enable smooth slide movement, while an adjustable thumb ring provides ergonomic comfort. Large contoured valve buttons and low-resilience pads contribute to a smooth playing feel.

Included Accessories

Each tuba comes with a BB-69D2 mouthpiece, designed for a rich symphonic tone with easy control, and a protective case for safe transport.

SPECIFICATIONS

• Key: C
• Body: Yellow brass
• Bell Diameter: 476 mm (18.7 inches)
• Bore Size: 19.0 mm (0.748 inches), V: 19.5 mm (0.768 inches)
• Height: 920 mm (36.22 inches)
• Valves: 4 front pistons + 1 rotary (4/3 tone, right-hand operation)
• Finish: Silver-plated
• Mouthpiece: BB-69D2
• Case: Included

Manufacturer: Yamaha
Model: YCB-623S
SKU: I744738-N-0-WHXX
UPC: 889025153140

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