Bach Classic Small Shank Trombone Mouthpiece 7C, Silver Plated

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SKU: 3507C
By Bach

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Small Shank Trombone Mouthpiece, 7C Cup, Medium-Shadow Depth, 24.75mm Diameter, Medium-wide Rim Shape, not too sharp.


  • Designed for players who prefer a medium-large cup to assure a large volume of tone. The rather shallow cup produces great brilliancy.
  • Small shank for use with small bore tenor trombones, euphoniums, and baritones
  • Great for soloists and melodic players

- Click HERE for Bach Mouthpiece Guide -


Bach innovated on the most consistent brass mouthpieces in the industry by making them lead-free. Don't take the risk - it's better to play it safe with Bach mouthpieces.


  • Instrument: Trombone, small shank
  • Model: 3507C
  • Size: 7C
  • Cup Depth: Medium-Shadow
  • Cup Diameter: 24.75mm
  • Rim: Medium-wide, Not Too Sharp
  • Material: Brass
  • Finish: Silver-plated
  • Made in USA


Bach History:

The history of Bach starts with mouthpieces. A century ago, trumpet player Vincent Bach began experimenting with designs and manufacturing processes to replace a broken mouthpiece. Soon after, Vincent Bach’s mouthpieces, and later his trumpets, set the standard for excellence.

Bach continues that standard today through constant innovation and dedication to the craft. In the Bach workshop, crafting a mouthpiece begins with innovative, yet classic designs and is then carved by a computer-numeric-controlled machine that shapes and cuts solid brass bars. Each step is precise within one ten-thousandth of an inch.

Because no two players have the same lip or tooth formation, what is perfect for one player may be entirely unsuitable for another. Bach produces thousands of different combinations of rims, cups and backbores so that each player can find the best mouthpiece for their individual embouchure.

Classic Series:

Vincent Bach was a rare combination of artist and engineer. He constantly changed his mouthpieces in search of the perfect design. It wasn't until the mid 1960's that he stopped and finally settled on more standardized design. It was around this time that the formalization of the 27 throat and backbore to cup letter (A=24, B=7, C= 10, etc.) created a standard for mouthpiece making that is still used today. These standards are now known as the Classic Series.