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New RT series in One piece. Models RT5 and RT4 

Small changes on the upgraded R3S and R4 for more supported rims and the throat has been reduced to 7.2 mm. This is to help the high register but keep the open sound. Randefalk mouthpieces are V and U shaped at the same time. It’s a gliding transition to a small cone in the throat. They are now made in a heavy copper brass with PVD plating.

Randefalk mouthpieces are V and U shaped at the same time. It’s a gliding transition to a small cone in the throat. They are now made in a heavy copper brass with PVD plating.

Standard One piece mouthpiece is still the upgraded R3S and R4 for more supported rims and the throat has been reduced to 7.2 mm.

All mouthpieces are made in Heavy copper brass. You can also order all Randefalk Mouthpieces with a synthetic Diamond coating. Please send message for more details.

• Gives a big and clear sound
• Increases your top and low register
• Improves intonation
• Extremely comfortable rim
• Easier flexibility
• Clear articulation
• Same tone quality in the whole register

Specifications

Trombone/Euphonium RT5 Large shank 7.0mm (Will soon come with small shank 7.0)

• Rim Ø  25.40 mm
• Outer Ø 39.20 mm
• Bore size 7.00 mm
• Cup Depth 34.00 mm
• Total length 8.00 mm 
• Backbore 10.30 mm 

Trombone/Euphonium RT4 Small shank 7.0mm (Will soon come in Large shank 7.2)

• Rim Ø  25.70 mm
• Outer Ø 39.20 mm
• Bore size 7.10 mm
• Cup Depth 35.50 mm
• Total length 80.00 mm 
• Backbore 10.30 mm