Adams Musical Instruments - Together in Music

TB1-AF Axial Flow

The Adams TB1-AF tenor trombone lets it actions do the talking. Musical actions, of course. The instrument features a patented Axial Flow valve that completely eliminates the metal-to-metal contact found in other designs. The use of sealed bearings assures tight tolerances that will resist wear over time, making the instrument extremely durable and reliable.

The TB1-AF comes standard with 8.5” (217.5 mm) one-piece hand-hammered yellow brass bell in 0.60, and a single bore yellow brass slide with chrome plated nickel silver inner slide. These choices, combined with the 0.547” (13.9 mm) large bore, the Axial Flow valve, and the open short wrap F attachment, produce a beautiful warm sound with an open feel that you have never experienced before.   

Technical Specifications TB1-AF

Key: Bb/ F
Bore: 13.9 mm (0.547”)
Bell Material: One-piece hand-hammered yellow brass bell
Bell Diameter: 217.5 mm (8.5")
Wrap: Open short wrap F attachment with Axial Flow valve
Slide: Yellow brass outer slide, single bore
Main Tuning Slide: Reverse
Finish: Lacquered
Gauge: 0.60

Your choice of mouthpiece is extremely personal and very important for playing pleasure. That is why we do not supply a standard mouthpiece with our instruments.

You are not average

Configure your own Adams trombone

Some people like a warmer sound. Some do not. Some people have huge lung capacity. Some do not. Some people need more playing resistance. Some do not. These are extremely personal factors that can affect an instruments design.

The Adams instrument builders like to go beyond expectations. With an in-house development and production, this means that we can fully customize your instrument according to your personal preferences.

Besides the standard configuration, Adams trombones offer a number of custom adjustments including different bells and slides to meet your personal playing style.


Every Adams trombone has a unique one-piece hand-hammered bell, made out of yellow brass, gold brass, or sterling silver. No matter which material you choose, these bells are unique, carefully made, and each give the musician different expressive possibilities.

Yellow Brass

A yellow brass bell is always a smart choice. It speaks very directly and offers a consistent and refined sound that in general suits every type of player.

Gold Brass

A gold brass bell colors very easily in terms of sound. In addition, the sound also mixes very easily, a quality that is very important for many musicians. Gold brass is often chosen as the perfect compromise between brass and red brass. The material contains about 85% copper.

Red Brass

Our red brass bell offers a larger and warmer sound compared to the yellow brass bell. It makes the bell very suitable for more powerful orchestral playing.

Sterling Silver

This bell offers a very rich and elegant sound that is a bit brighter compared to the other bells. The Sterling silver bell is very precise and makes articulation easier, making it an excellent choice among soloists.


All Adams slides have chrome plated nickel silver inner slides to guarantee the best possible hand-slide action. To get an instrument that fully meets your personal expectations, we offer a variety of slide options.

Yellow brass offers a lively, and centered tone. Nickel silver is known for its broader and more powerful playing character. The lightweight slides ad a bit of energetic response and brilliance to the tone.   

Below an overview of our slides. 

Yellow brass single bore (standard) or double bore

Yellow brass lightweight single bore or double bore

Nickel silver in single bore or dual bore

Nickel silver lightweight in single bore or dual bore

Are you looking for an even more specific sound? A Red Brass bell with a Sterling Silver flare or a special combination of slide materials for instance? We love to go beyond expectations and find your perfect instrument, so feel free to contact us. 


Browse the Adams Brass collection

Request the Adams Brass catalogue now, free of charge. Discover our handcrafted brass instruments, and be inspired by stories of exceptional musicians and passionate instrument makers.

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Where to buy?

Adams delivers through an extensive network of dealers and distributors worlwide. Check out who to contact for further assistance in getting your new instrument.

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