Rebate offer! From April 1 - June 30, 2025, select new Yamaha instruments qualify for a $50-$100 manufacturer rebate. Learn more on Yamaha's website.

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The 641 professional Bb tuba features a rotary valve configuration for a traditional Teutonic sound with the kind of precise intonation and easy playability only made possible by modern engineering expertise. It is characterized by a warm dark sound with an abundance of tonal colors.

• Level: Professional Tuba
• Key: Bb
• Size: 4/4
• Bore: 0.812"
• Bell Diameter: 16 1/2" upright bell
• Valves: 4 Rotary Valves
• Leadpipe Material: Gold Brass
• Body/Bell Material: Yellow Brass
• Finish: Clear Epoxy Lacquer
• Mouthpiece: YAC BB67C4
• Case: BBC-62

Yamaha Brass Instruments PDF

WARNING: Brass instruments and their accessories can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm, and Nickel, which is known to the State of California to cause cancer. For more information go to:

www.P65Warnings.ca.gov

Most new instruments and accessories over $75 are eligible for free shipping to the continental US.

Sheet music, tubas, and pre-owned instruments are excluded from free shipping.

Click here for our full shipping policy.

Most products receive a 15-day return policy that starts on the day the customer receives their order. The customer is responsible for the cost of initial and return shipping, except in the case of new French horns, trumpets, and trombones, which will receive free return shipping from 48 US states. There will be a $5 cleaning fee for each returned mouthpiece.

Some product categories are ineligible for return, which include special orders, sheet music, consumables such as lubricants or cleaning snakes, and personal items such as clothing or face masks.

For non-US customers, shipping, taxes, duties, and customs fees are non-refundable.

See the policy links at the bottom of our website for more information.

Click here to request a return.

Any product labelled "Special Order" is a final sale, no refunds or exchanges. Likewise, any product that has been customized at the customer's request can no longer be returned.

Click here for more information on special orders. If you want it, we will try our best to get it to you!