Arisan A4411G2 Back Bustrombone Mouthpiece 1G Silver Plated Finish (For Thick Tubes)

Product description

• The Ultisan model shape and sound response is reminiscent of the earliest back mouthpiece. Modeled after the 1940s and 50s with specially selected throat and back bore
• Extra large and deep cups for deep and powerful sound Largest and most powerful bustrombone mouthpiece in the market today
• ■Diameter: 28mm
• ■Cup depth: D (deep)
• ■Rim Thickness: MT (slightly thin), fairly round rim