Yamaha HR-31D4 French Horn Mouthpiece Equivalents

Cross-brand alternatives to the Yamaha HR-31D4 french horn mouthpiece. 0 verified equivalents and 12 spec-matched alternatives ranked by similarity.

Reference mouthpiece

Cup: 17.28mm Depth: Deep Rim: — Throat: 4.50mm

The Yamaha HR-31D4 is a french horn mouthpiece with a 17.28mm cup diameter and deep cup depth.

Similar by specs (12)
86%
Yamaha HR-30D4 Spec match
17.08mm · Deep · Throat 4.50
Cup: -0.20mm Depth: same Throat: same
86%
Yamaha HR-32D4 Spec match
17.48mm · Deep · Throat 4.50
Cup: +0.20mm Depth: same Throat: same
86%
Giardinelli S15 Spec match
17.50mm · Deep · Throat 4.50
Cup: +0.22mm Depth: same Throat: same
85%
Giardinelli S14 Spec match
17.50mm · Deep · Throat 4.60
Cup: +0.22mm Depth: same Throat: +0.10mm
82%
Bach 7 Spec match
17.25mm · Medium · Throat 4.50
Cup: -0.03mm Depth: -1 Throat: same
82%
Denis Wick 6N Spec match
17.25mm · Medium · Throat 4.50
Cup: -0.03mm Depth: -1 Throat: same
85%
Marcinkiewicz 13 Spec match
17.42mm · Deep · Throat 4.70
Cup: +0.14mm Depth: same Throat: +0.20mm
85%
17.42mm · Deep · Throat 4.70
Cup: +0.14mm Depth: same Throat: +0.20mm
82%
Yamaha HR-29D4 Spec match
16.88mm · Deep · Throat 4.50
Cup: -0.40mm Depth: same Throat: same
82%
Yamaha HR-31-GP Spec match
17.28mm · Medium · Throat 4.40
Cup: same Depth: -1 Throat: -0.10mm
81%
Bach 7S Spec match
17.25mm · Medium · Throat 4.62
Cup: -0.03mm Depth: -1 Throat: +0.12mm
79%
Marcinkiewicz 15 Spec match
17.42mm · V.Deep · Throat 4.57
Cup: +0.14mm Depth: +1 Throat: +0.07mm
Specifications
Deep Cup French Horn

Frequently asked questions

What mouthpiece is equivalent to the Yamaha HR-31D4?

Based on spec matching, the closest alternatives include Yamaha HR-30D4 with similar cup diameter and depth.

How do I find a cross-brand alternative to the Yamaha HR-31D4?

Match cup diameter (the Yamaha HR-31D4 measures 17.28mm), cup depth (deep), and throat diameter (4.50mm). Our equivalence algorithm weighs these dimensions to find the closest matches from other brands.