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Yamaha YBB623 4 Valve Tuba - Lacquer
Manufacturer: Yamaha
Model #: YBB623
Price:
$14,589.99 (CAD)
This item is temporarily out of stock, but is available to purchase. Most orders will ship in approximately 10-14 days. If shipping will be longer than 14 days we will contact you with an expected date.
Description
The Yamaha YBB-623 Professional BBb Tuba marks a monumental shift in Yamaha’s tuba engineering. Released nearly 30 years after their highly acclaimed YCB-822, this York-style, 4/4-size instrument incorporates decades of refined knowledge and acoustic research.
Acoustic and Body Engineering
• Refined Body Geometry: Yamaha reexamined every millimeter of conventional layout, streamlining tube thickness and curvature to ensure smooth breath flow, fast response, and a deep, warm timbre. The simplified coiling explicitly eliminates the low-register stiffness often found in large piston tubas.
• Thin-Walled Construction: By reducing the material thickness uniformly from the bell down to the top bow, the instrument achieves vastly improved resonance and lightning-fast sonic feedback.
• Flat Bottom Bow Guard: The bottom guard plate features an optimized flat profile. This structural choice minimizes physical fatigue when resting the instrument on the lap during long rehearsals while allowing the lower bows to ring freely.
Leadpipe and Intake System
• Floating Leadpipe Configuration: Unsoldered from the bell section, this "floating" architecture frees the bell flare to resonate to its full potential, significantly sharpening articulation and front-of-note clarity.
• Multi-Shank Mouthpiece Receiver: Features a hybrid taper that securely fits both American and European shank mouthpieces without the need for performance-robbing adapters.
Valves, Tuning, and Ergonomics
• World’s First Secondary Main Tuning Slide: Designed for uncompromising pitch flexibility, this dual-slide system allows a much wider total adjustment range to compensate for severe temperature fluctuations in hot or cold performance spaces.
• Vented Piston Ports: Tiny relief channels drilled into the Monel alloy pistons stabilize internal air pressure during strokes, allowing you to pull or push tuning slides smoothly without fighting back-pressure pop.
• Low-Resilience Red Pads: Borrowed directly from Yamaha’s elite custom-tier handmade tubas, these internal piston pads soften impact, eliminate mechanical clatter, and ensure crisp note transitions.
• Bypass Water Key: A specialized water key is built directly into the 3rd valve bypass loop to prevent moisture accumulation from interrupting focus during performance.
• Custom Cockpit Feel: Contoured metal valve buttons and a fully adjustable thumb ring allow brass players to dial in a completely personalized, strain-free hand position.
Technical Specifications
• Key / Size: BBb Contrabass / 4/4 Full Size
• Bore / Bell: 19.0 mm (0.748") bore; 500 mm (19.7") yellow brass bell
• Physical Profile: Height of 923 mm (36.34")
• Available Finishes: Clear Lacquer (YBB-623) or Silver-Plated (YBB-623S)
• Premium Outfit: Ships complete with a heavy-duty Yamaha hard case and the custom BB-69D2 mouthpiece—noted for its thin rim, efficient throat, and deep cup designed specifically for large-bore symphonic projection.
Acoustic and Body Engineering
• Refined Body Geometry: Yamaha reexamined every millimeter of conventional layout, streamlining tube thickness and curvature to ensure smooth breath flow, fast response, and a deep, warm timbre. The simplified coiling explicitly eliminates the low-register stiffness often found in large piston tubas.
• Thin-Walled Construction: By reducing the material thickness uniformly from the bell down to the top bow, the instrument achieves vastly improved resonance and lightning-fast sonic feedback.
• Flat Bottom Bow Guard: The bottom guard plate features an optimized flat profile. This structural choice minimizes physical fatigue when resting the instrument on the lap during long rehearsals while allowing the lower bows to ring freely.
Leadpipe and Intake System
• Floating Leadpipe Configuration: Unsoldered from the bell section, this "floating" architecture frees the bell flare to resonate to its full potential, significantly sharpening articulation and front-of-note clarity.
• Multi-Shank Mouthpiece Receiver: Features a hybrid taper that securely fits both American and European shank mouthpieces without the need for performance-robbing adapters.
Valves, Tuning, and Ergonomics
• World’s First Secondary Main Tuning Slide: Designed for uncompromising pitch flexibility, this dual-slide system allows a much wider total adjustment range to compensate for severe temperature fluctuations in hot or cold performance spaces.
• Vented Piston Ports: Tiny relief channels drilled into the Monel alloy pistons stabilize internal air pressure during strokes, allowing you to pull or push tuning slides smoothly without fighting back-pressure pop.
• Low-Resilience Red Pads: Borrowed directly from Yamaha’s elite custom-tier handmade tubas, these internal piston pads soften impact, eliminate mechanical clatter, and ensure crisp note transitions.
• Bypass Water Key: A specialized water key is built directly into the 3rd valve bypass loop to prevent moisture accumulation from interrupting focus during performance.
• Custom Cockpit Feel: Contoured metal valve buttons and a fully adjustable thumb ring allow brass players to dial in a completely personalized, strain-free hand position.
Technical Specifications
• Key / Size: BBb Contrabass / 4/4 Full Size
• Bore / Bell: 19.0 mm (0.748") bore; 500 mm (19.7") yellow brass bell
• Physical Profile: Height of 923 mm (36.34")
• Available Finishes: Clear Lacquer (YBB-623) or Silver-Plated (YBB-623S)
• Premium Outfit: Ships complete with a heavy-duty Yamaha hard case and the custom BB-69D2 mouthpiece—noted for its thin rim, efficient throat, and deep cup designed specifically for large-bore symphonic projection.
| Model: | YBB623 |
| Manufacturer: | Yamaha |
Specifications
Professional
4/4
