Bach 1¼GM Trombone Mouthpiece Equivalents
Cross-brand alternatives to the Bach 1¼GM trombone mouthpiece. 0 verified equivalents and 12 spec-matched alternatives ranked by similarity.
The Bach 1¼GM is a trombone mouthpiece with a 27.50mm cup diameter and very deep cup depth.
Similar by specs (12)
87%
Bach Mega Tone Bass 1¼GM
Spec match
27.50mm · V.Deep · Throat 7.67
Cup: same Depth: same Throat: -0.43mm
85%
85%
85%
Bach Mega Tone Bass 1G
Spec match
28.00mm · V.Deep · Throat 8.10
Cup: +0.50mm Depth: same Throat: same
85%
84%
Curry 2D Large Shank
Spec match
27.46mm · V.Deep · Throat 7.32
Cup: -0.04mm Depth: same Throat: -0.78mm
82%
Bach Mega Tone Bass 1½GM
Spec match
27.00mm · V.Deep · Throat 7.67
Cup: -0.50mm Depth: same Throat: -0.43mm
78%
Bruno Tilz 215-2 1/2 GT
Spec match
27.50mm · Deep · Throat 7.40 · Catalog
Cup: same Depth: -1 Throat: -0.70mm
78%
Bruno Tilz 306-2 1/2 GT
Spec match
27.50mm · Deep · Throat 7.40 · Catalog
Cup: same Depth: -1 Throat: -0.70mm
82%
83%
82%
Curry 2D Small Shank
Spec match
27.46mm · V.Deep · Throat 7.01
Cup: -0.04mm Depth: same Throat: -1.09mm
Specifications
Compare Bach 1¼GM head-to-head
Frequently asked questions
What mouthpiece is equivalent to the Bach 1¼GM?
Based on spec matching, the closest alternatives include Bach Mega Tone Bass 1¼GM with similar cup diameter and depth.
How do I find a cross-brand alternative to the Bach 1¼GM?
Match cup diameter (the Bach 1¼GM measures 27.50mm), cup depth (very deep), and throat diameter (8.10mm). Our equivalence algorithm weighs these dimensions to find the closest matches from other brands.