Hagmann free-flow valve.
The Bach 42A Stradivarius Tenor Trombone with Hagmann Valve is a great choice for the player looking for a less resistant F attachment. It features the Rene Hagmann Free-Flow„¢ valve which eliminates the back pressure that occurs in the F attachment with traditional rotor systems. The 42A offers an open response in all registers, with it’s 8.5-inch one-piece hand-hammered bell, .547-inch bore with an open wrap F attachment. It includes a deluxe case and mouthpiece.
42A Stradivarius Trombone with Hagmann Valve
- Key: Bb/F
Leadpipe Material: Yellow Brass
Bell: 8.5″ one-piece hand-hammere
Bell Material: Yellow Brass or Gold Brass
Handslide: Standard or Lightweight
Handslide Material: Yellow Brass or Nickel Silver (Lightweight)
Handslide Crook Material: Yellow Brass or Nickel Silver (Lightweight)
F Attachment Wrap: Open
F Attachment Valve: Hagmann
Case: zippered Cordura covered wood shell case
Mouthpiece: Bach 6-1/2A
Mouthpiece Shank: Large