Bass trombone position chart

1. How many positions does a bass trombone have?
2. What does tt mean on bass trombone?
3. What is the second trigger on a bass trombone?

How many positions does a bass trombone have?

A bass trombone with double rotary valves and equipped with an F attachment and G♭ attachment should theoretically be capable of playing B♭ a further major second lower (an octave lower than pedal tone B♭). In either case, the slide will have a larger range than the normal seven positions.

What does tt mean on bass trombone?

T=F attachment. TT=F and D attachments.

What is the second trigger on a bass trombone?

Bass trombones often have a second trigger which is either "dependent" or "independent" of the first trigger. That means, in the dependent trigger system, the second trigger will not work unless the first trigger is also engaged. The independent trigger system allows each trigger to be used independently.