Independent valve system.
- .562" bore
Double inline independent valve system in Bb / F / Gb / D
Main tuning slide resonator plaque
Antoine Courtois Paris AC502BR Mezzo Series Bass Trombone
The AC502BR Series features a .562-inch bore with dual inline valves in Bb / F / Gb / D plus a lightweight outer handslide for outstanding response. The 502BR Series also features a 9.5-inch removeable bell plus a resonator plaque on the main tuning slide bow and a detachable mouthpipe.
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