The THEIN “Ariosa” Tenor Trombone is the youngest member of the “Universal” tenor trombone family. Being a member of the "Universal" family, the parts from other "Universal" trombones may be interchanged with these.

• Key: Bb/F
• Valve: Open flow
• Bell-ø: 216 mm / 8-1/2”
• Bell rim: french bread
• Material: yellow brass, gold brass
• Wall thickness: 0.50 mm / 0.020”
• Tuning slide: reversed, yellow brass
• Slide: yellow brass
• Bore: 13.9 mm / 0.547”
• Lead pipe: changeable
• Finish: lacquered
• THEIN Mouthpiece recommendation:  THEIN P

Most new instruments and accessories over $25 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 have a 30-day return policy that starts on the day the customer receives the item (15 days for pre-owned instruments). The customer is responsible for the cost of initial and return shipping. There will be a $5 cleaning fee for returned mouthpieces and a $50 cleaning fee for returned instruments.

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. In addition, if Houghton Horns is charged any taxes, custom fees, or duties for the return for any reason, these will be deducted from the refund as well.

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!