Trigger Tenor Trombone
Key of Bb/F
Gold lacquer
F Attachment
Nickel silver inner slide
8.5" brass bell
0.546" bore
Includes case, cleaning rod & mouthpiece
A trigger tenor trombone is a standard Bb tenor trombone equipped with an extra loop of tubing and a thumb-operated rotary valve (known as an F-attachment).
The Valve: Pressing the thumb trigger opens a rotary valve that redirects the airflow through an extra loop of coiled tubing.
Pitch Shift: This additional tubing lowers the fundamental key of the instrument from Bb down to F, effectively lengthening the instrument.
Alternative Positions: Engaging the trigger lets you play notes normally found in far-out slide positions (like 6th or 7th position) in closer, more manageable positions (like 1st or 2nd position).
Extended Low Range: It bridges the gap in the lower register, allowing the trombone to play a chromatic scale down to a low C and access pedal tones that a straight (non-trigger) tenor trombone cannot easily reach.
Technical Agility: By reducing the need to reach out to 6th and 7th positions for certain notes, fast technical passages become smoother and easier to navigate.
