Vincent Bach 50B3L double rotor bass trombone

Vincent Bach
£ £5,100.00
Ref: 50B3L
1 in stock In Stock

The Bach Stradivarius 50B3L is a double rotor bass trombone with traditional (closed) wrap F and G-flat attachments which can be accessed independently using two standard in-line rotary valves.

It also has a larger 10½-inch bell compared with the standard 9½-inch 50B3 base model.

  • Lacquer finish
  • Bore size: 0.562 in. (14.27 mm)
  • Key of B-flat/F/G-flat
  • 10½-inch yellow brass bell
  • Twin in-line independent traditional rotary valves
  • Traditional wrap
  • Yellow brass outer slide
  • Bach 1½G mouthpiece
  • Woodshell case

Also available in the Bach 50B3 range:

Wrap/valve Bell diameter (inches)
Closed / standard 50B3 50B3L
Open / standard 50B3O 50B3LO
Open / Hagmann* 50A3 50A3L
Open / ‘Infinity’ axial-flow 50AF3 50AF3L

Other model variant: LT50A3LG

* The Hagmann free-flow valve appeared in the early 1990s as a further development away from the traditional rotary valve, following the introduction of the more complex Thayer axial-flow valve in the 1980s. The Hagmann design minimises distortion of the air flow inside the valve, resulting in a rich, full sound, and is easy to maintain using regular valve oil. Vincent Bach introduced the Hagmann valve into their Stradivarius trombone range in 1999.

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