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Bach 18 Trombone Mouthpiece Equivalents

Cross-brand alternatives to the Bach 18 trombone mouthpiece. 0 verified equivalents and 12 spec-matched alternatives ranked by similarity.

Reference mouthpiece

Bach 18
Cup: 24.20mm Depth: Medium Rim: — Throat: 5.85mm

The Bach 18 is a trombone mouthpiece with a 24.20mm cup diameter and medium cup depth.

Similar by specs (12)
90%
Bach 17 Spec match
24.20mm · Medium · Throat 5.85
Cup: same Depth: same Throat: same
Compare Specs
89%
Yamaha SL-45C2S Spec match
24.26mm · Medium · Throat 5.85
Cup: +0.06mm Depth: same Throat: same
Compare Specs
89%
Yamaha SL-45C2S-GP Spec match
24.26mm · Medium · Throat 5.85
Cup: +0.06mm Depth: same Throat: same
Compare Specs
89%
Curry 12C Spec match
24.23mm · Medium · Throat 5.92
Cup: +0.03mm Depth: same Throat: +0.07mm
Compare Specs
88%
Schilke 45B Spec match
24.30mm · Medium · Throat 5.95
Cup: +0.10mm Depth: same Throat: +0.10mm
Compare Specs
88%
Schilke 45 Spec match
24.38mm · Medium · Throat 5.95
Cup: +0.18mm Depth: same Throat: +0.10mm
Compare Specs
87%
Bach 22 Spec match
23.92mm · Medium · Throat 5.85
Cup: -0.28mm Depth: same Throat: same
Compare Specs
83%
Bach 17C Spec match
24.20mm · Shallow · Throat 5.85
Cup: same Depth: -1 Throat: same
Compare Specs
83%
Bach 17D Spec match
24.20mm · Shallow · Throat 5.85
Cup: same Depth: -1 Throat: same
Compare Specs
83%
Bach 18C Spec match
24.20mm · Shallow · Throat 5.85
Cup: same Depth: -1 Throat: same
Compare Specs
83%
Bach 18D Spec match
24.20mm · Shallow · Throat 5.85
Cup: same Depth: -1 Throat: same
Compare Specs
87%
Curry 11C Spec match
24.49mm · Medium · Throat 5.92
Cup: +0.29mm Depth: same Throat: +0.07mm
Compare Specs
Specifications
Medium Cup Trombone Small Shank Trombone

Compare Bach 18 head-to-head

Frequently asked questions

What mouthpiece is equivalent to the Bach 18?

Based on spec matching, the closest alternatives include Bach 17 with similar cup diameter and depth.

How do I find a cross-brand alternative to the Bach 18?

Match cup diameter (the Bach 18 measures 24.20mm), cup depth (medium), and throat diameter (5.85mm). Our equivalence algorithm weighs these dimensions to find the closest matches from other brands.

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