Bach 4C Trombone Mouthpiece Equivalents
Cross-brand alternatives to the Bach 4C trombone mouthpiece. 0 verified equivalents and 12 spec-matched alternatives ranked by similarity.
The Bach 4C is a trombone mouthpiece with a 25.75mm cup diameter and shallow cup depth.
Similar by specs (12)
87%
Bruno Tilz 214-B 3
Spec match
26.00mm · Shallow · Throat 5.80 · Catalog
Cup: +0.25mm Depth: same Throat: -0.05mm
87%
Bruno Tilz 214-5 S
Spec match
25.50mm · Shallow · Throat 5.80 · Catalog
Cup: -0.25mm Depth: same Throat: -0.05mm
87%
Bruno Tilz 214-12 S
Spec match
25.50mm · Shallow · Throat 5.80 · Catalog
Cup: -0.25mm Depth: same Throat: -0.05mm
87%
Bruno Tilz 305-B 3
Spec match
26.00mm · Shallow · Throat 5.80 · Catalog
Cup: +0.25mm Depth: same Throat: -0.05mm
87%
Bruno Tilz 305-5 S
Spec match
25.50mm · Shallow · Throat 5.80 · Catalog
Cup: -0.25mm Depth: same Throat: -0.05mm
87%
Bruno Tilz 305-12 S
Spec match
25.50mm · Shallow · Throat 5.80 · Catalog
Cup: -0.25mm Depth: same Throat: -0.05mm
82%
87%
Bruno Tilz 214-6 MS
Spec match
25.70mm · Shallow · Throat 6.20 · Catalog
Cup: -0.05mm Depth: same Throat: +0.35mm
87%
Bruno Tilz 305-6 MS
Spec match
25.70mm · Shallow · Throat 6.20 · Catalog
Cup: -0.05mm Depth: same Throat: +0.35mm
86%
Bruno Tilz 214-5 MS
Spec match
25.60mm · Shallow · Throat 6.20 · Catalog
Cup: -0.15mm Depth: same Throat: +0.35mm
86%
Bruno Tilz 214-6 1/2 AB
Spec match
25.50mm · Shallow · Throat 6.10 · Catalog
Cup: -0.25mm Depth: same Throat: +0.25mm
86%
Bruno Tilz 305-5 MS
Spec match
25.60mm · Shallow · Throat 6.20 · Catalog
Cup: -0.15mm Depth: same Throat: +0.35mm
Specifications
Compare Bach 4C head-to-head
Frequently asked questions
What mouthpiece is equivalent to the Bach 4C?
Based on spec matching, the closest alternatives include Bruno Tilz 214-B 3 with similar cup diameter and depth.
How do I find a cross-brand alternative to the Bach 4C?
Match cup diameter (the Bach 4C measures 25.75mm), cup depth (shallow), and throat diameter (5.85mm). Our equivalence algorithm weighs these dimensions to find the closest matches from other brands.
What is the closest Bruno Tilz equivalent to the Bach 4C?
The Bruno Tilz 214-B 3 is the closest match, with a 26.00mm cup diameter and shallow cup depth.