Yamaha

Yamaha YAC TR6A4A 6A4a Trumpet Mouthpiece Silver

4.3 (35 reviews)

Achieve Exceptional Tone with the Yamaha 6A4a Trumpet Mouthpiece The Yamaha 6A4a Trumpet Mouthpiece is meticulously crafted using advanced computer design and manufacturing technology, ensuring unmatched precision and consistency. Designed for big-band style lead trumpet work, this mouthpiece of...

$54.99*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Achieve Exceptional Tone with the Yamaha 6A4a Trumpet Mouthpiece

The Yamaha 6A4a Trumpet Mouthpiece is meticulously crafted using advanced computer design and manufacturing technology, ensuring unmatched precision and consistency. Designed for big-band style lead trumpet work, this mouthpiece offers extra support for high notes and a bright, clear tone.

Detailed Specifications:

  • Cup: Very shallow cup
  • Inner Diameter: 15.90mm
  • Rim: Thick and semi-flat
  • Backbore: Narrow
  • Plating: Extra thick silver plating
  • Compatibility: Fits all brands and models of standard trumpets

Key Features

The 6A4a trumpet mouthpiece has a very shallow cup that gives extra support for high notes. Good choice for big-band style lead trumpet work.

15.90mm inner diameter, shallow cup

Thick and semi-flat rim, narrow backbore

Extra thick silver plating for added durability and longevity.

Fits all brands and models of standard trumpets.

Specifications

Model
6A4a Trumpet Mouthpiece
Inner Diameter
15.90mm
Cup Depth
Very shallow
Rim Type
Thick and semi-flat
Backbore
Narrow
Plating
Extra thick silver plating
Compatibility
All standard trumpets

Pros & Cons

👍 Pros

  • Features a very shallow cup design, which is beneficial for extra support on high notes, aiding lead trumpet work
  • Offers a precise 15.90mm inner diameter, providing specific control and feel for the player
  • Designed with a thick and semi-flat rim, which can offer comfort and stability during extended playing sessions
  • Includes a narrow backbore, contributing to the mouthpiece's specific tonal characteristics and ease of upper register
  • Boasts extra thick silver plating for enhanced durability and longevity, protecting against wear and tear
  • Universally fits all brands and models of standard trumpets, ensuring broad compatibility for musicians

👎 Cons

  • The very shallow cup design is highly specialized for high notes, which may not be ideal for all musical styles or players
  • The specific 15.90mm inner diameter might not suit every player's embouchure or preference, requiring individual testing
  • A narrow backbore can sometimes lead to a more focused sound that might lack fullness for certain musical contexts
  • While durable, silver plating requires regular cleaning to maintain its appearance and prevent tarnishing
  • The mouthpiece is specific to trumpets, limiting its use with other brass instruments
  • Might not be the best choice for beginners who require a more versatile mouthpiece to develop their technique

Frequently Asked Questions

The Yamaha YAC TR6A4A 6A4a trumpet mouthpiece has a 15.90mm inner diameter.
It features a very shallow cup, which is designed to give extra support for high notes.
This mouthpiece is designed with a thick and semi-flat rim, which can contribute to playing comfort.
It features extra thick silver plating, which is applied for added durability and longevity.
Yes, it is designed to fit all brands and models of standard trumpets, offering broad compatibility.
Yes, its very shallow cup and design make it a good choice for big-band style lead trumpet work, aiding in high-note performance.
The narrow backbore on this mouthpiece contributes to its specific tonal characteristics, often associated with a more focused sound and ease in the upper register.