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Yamaha SL-51S Small Shank Trombone Mouthpiece

Small Shank Trombone Mouthpiece with 51 Cup, Medium Depth, 25.23mm Inner Diameter, and 6.92mm Throat
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Item ID: YACSTbn51
Yamaha SL-51S Small Shank Trombone Mouthpiece
$8.91 Price Drop!
Lowest price in 90 days
Price:$66 and 08 cents
Save $8.91 (11%) Original price, crossed out: $74 and 99 cents
$12.00 suggested monthly payments with 6 month financing‡

We Can Get It!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with Yamaha. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated May 2026.

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Yamaha SL-51S Small Shank Trombone Mouthpiece
We Can Get It!
Price:$66 and 08 cents
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Rich, Textured Tone

Like everything they build, Yamaha mouthpieces punch well above their modest price tags. This model, the SL-51 Small Shank Trombone Mouthpiece, is no exception. It is the same design as the SL-51 with a standard backbore and small shank. It comes equipped with a 51-size cup that reaches an expansive 25.23mm inner diameter. Load it into your trombone, and you’ll be rewarded with a darker sound that’s ideal for symphonic work. Yamaha also tells us that the SL-51S is equally effective as a small-bore euphonium mouthpiece. Yamaha mouthpieces are found in trombone cases worldwide — you can join the legion of other Yamaha players by calling your Sweetwater Sales Engineer and ordering an SL-51S Trombone Mouthpiece today.

Yamaha SL-51S Small Shank Trombone Mouthpiece Features:

  • Medium cup depth and large volume are ideal for low register playing
  • Small shank design for use with standard tenor trombones
  • Also compatible with small-bore euphonium
  • Built for players in search of a dark, weighty tone
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Tech Specs

  • Instrument: Trombone
  • Finish: Silver-plated
  • Size: 51S
  • Cup Diameter: 0.993" (25.23mm)
  • Cup Depth: Medium
  • Throat: 0.272" (6.92mm)
  • Shank: Small
  • Manufacturer Part Number: YAC SL51

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