Bach 42A Tenor Trombone Overview

The Bach Stradivarius Model 42 series has long been a professional standard for large-bore tenor trombonists seeking a centered sound, dependable projection, and broad dynamic range. The 42A combines that established Bach design with an open-wrap F-attachment and Hagmann valve, giving players a distinctive alternative to the conventional rotary-valve Model 42 configurations.

Bach 42A Tenor Trombone Specifications

• Key: Bb/F
• Bore Size: .547 inch
• Bell Diameter: 8.5 inches
• Bell Material: One-piece hand-hammered yellow brass
• Valve: Hagmann valve with open-wrap F-attachment
• Finish: Clear lacquer
• Case: Fitted Bach hard case
• Accessories: Bach 6 1/2A mouthpiece, Bach slide cream, and Bach synthetic rotor oil
• Serial Number: 219056

Condition & Setup

This lightly used trombone is in excellent playing order and has been professionally serviced, set up, and play-tested. It presents in very good cosmetic condition, with bright lacquer and light fine scratches and scuffs along the bell throat and selected fittings. The fitted Bach case shows light normal handling wear and has intact handles and latches.

Who the 42A Tenor Trombone Is For

The 42A is intended for professional players, advanced students, and educators who favor the established large-bore Bach sound but want the response of a Hagmann-equipped open-wrap attachment. Its centered tonal profile and projecting character suit orchestral, concert band, chamber, solo, and studio work, while the valve configuration will particularly interest players who regularly use the F-attachment register.

Common Questions About the Bach 42A

How does the Hagmann valve distinguish the 42A from other Model 42 trombones?

The 42A uses an open-wrap Hagmann valve system rather than the conventional rotary-valve arrangements found on the 42B and 42BO. This design is favored by players seeking a freer transition and more consistent response when the F-attachment is engaged.

What is the tonal character of the Bach Model 42 series?

The Model 42 series is widely associated with a centered, substantial sound that can blend in an orchestral section while retaining the projection needed for solo and ensemble work.

Where does the 42A fit within Bach's professional trombone lineup?

The 42A is a professional large-bore Model 42 variant for players who prefer a Hagmann valve and open-wrap attachment while retaining the familiar bell and slide concept of the Stradivarius 42 family.

We are proud to be an authorized Bach dealer