
Yamaha
Yamaha YAC RSULLIVAN Trumpet Mouthpiece Professional
Built on Bobby Sullivan's specs, this Yamaha mouthpiece delivers the warm, full projection that live trumpet chairs demand night after night.
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Overview
Key Features
17.16mm inner rim diameter
Semi-deep cup with semi-flat rim contour
Strong and full sound
Well-balanced
Extremely responsive and flexible
Specifications
Brand
Yamaha
Model
YAC RSULLIVAN
Inner Rim Diameter
17.16mm
Cup Depth
Semi-deep
Rim Contour
Semi-flat
Sound Character
Strong and full
Response
Extremely responsive and flexible
Instrument Compatibility
Standard Bb trumpet (Bach-style shank)
Frequently Asked Questions
What playing style and musical context is this mouthpiece designed for?
The YAC RSULLIVAN is a signature model voiced for lead and commercial trumpet work — the combination of a semi-deep cup and 17.16mm inner rim diameter supports a warm, centered tone with enough core to project over a big band or ensemble without thinning out at the top of the range.
How does the semi-deep cup affect tone and range compared to a shallower cup?
A semi-deep cup adds warmth and body to the sound and allows for a more resonant lower-mid register — but it requires slightly more air support for the extreme upper register than a shallow V-cup would. Players coming from a very shallow cup may need a short break-in period to adjust air column management.
Is the 17.16mm inner rim diameter considered large or small relative to standard trumpet mouthpieces?
It falls in the mid-to-large range for trumpet mouthpieces. The larger diameter supports a fuller, broader embouchure and tends to favor players with more developed chops — it can feel demanding for beginners but gives experienced players more tonal flexibility and dynamic range.
Does this mouthpiece fit all standard trumpet receivers?
Yes — this is a standard Bach-style trumpet shank and fits the receiver of virtually all standard Bb trumpets, including Yamaha, Bach, King, Conn, and Jupiter instruments.
How does the semi-flat rim contour affect endurance during long sessions?
The semi-flat rim distributes embouchure pressure more evenly than a narrow round rim, which tends to reduce localized fatigue during extended playing. For pit orchestra work, long rehearsals, or touring schedules, this is a meaningful ergonomic consideration.