A large shank open wrap trombone, which is popular for orchestra and brass band, has been released from the PLAYTECH / PTSL-300 series!

■PTSL300OP (Open wrap model)

What is Open Wrap?
A normal tenor bass trombone has a structure called traditional wrap in which the tube is bent several times through the valve to attach an F tube.
The open wrap has less bending of the tube, so the resistance when using the F tube is reduced.