Don Mackrill Music in Schools

Yamaha Trigger Trombones

YSL-446GE Trombone
Intermediate Model. The bore and bell sizes of the YSL-446GE is the same as the sizes of professional models.

Yamaha YSL-446GE Trombone
Yamaha 400 Series Trombones feature a beautiful rich tone, balanced response and perfect mechanics. They are easy to play and "Pro" models in virtually every way - except their prices. Their bore and bell sizes are the same as the sizes of professional models, and they boast a hand-crafted assembly which you would normally expect only for a top-of-the-line trombone. All models feature 8-1/2" bells made of top-grade gold brass for a warm, rich sound which can fill a concert hall, and offer incredibly accurate intonation and smooth quick slide action. They also deliver a quick response and comfortable playability which is consistent in almost any register, at almost any dynamic.
The YSL-446GE and features Yamaha`s original wrap for the F-attachment, which is characterized by a surprisingly open, free-blowing response, and by remarkably smooth valve action.

B/F Tenor Trombone Gold-brass Bell Bell: 214.4mm (8-1/2") ML Bore: 13.34mm (0.525")
Nickel-silver outer slide Epoxy lacquer finish


YSL-448GE Trombone
Intermediate Model. The YSL-448GE features a 8" bell made of top-grade gold brass for a warm, rich sound which can fill a concert hall.
Yamaha YSL-448GE Trombone



The YSL-448GE offers a large orchestral bore for powerful sound projection and features Yamaha`s original wrap for the F-attachment, which is characterized by a surprisingly open, free-blowing response, and by remarkably smooth valve action.

Bb/F Tenor Trombone Gold-brass Bell Bell: 214.4mm (81/2") L Bore: 13.89mm (0.547")
Nickel-silver outer slide Epoxy lacquer finish


YSL-648R Trombone
Professional Model. The YSL-648R features a red-brass bell for broad warm tone, the large sized bore is ideal for orchestral usage.
Yamaha YSL-648R Trombone
Yamaha Professional Model tenor/bass trombones feature agile and quick response, highly accurate intonation, and best of all a rich full sound. They play evenly and comfortably in all registers—at any dynamics—and the tone is warm but with enough definition for clarity and projection.
The YSL-648R offers professional quality at a more affordable price. Featuring a red-brass bell for broad warm tone, the large sized bore is ideal for orchestral usage. It features a nickel-silver slide for long-lasting durability.

Red-brass bell: 214.4mm (8-1/2") Bore: 13.89mm (0.547") Nickel-silver outer slide Gold lacquer finish
Mouthpiece: 48


YSL-684G Trombone
Professional Model. The YSL-684G features a medium-large bore size for all-around performance.

Yamaha Professional Model tenor/bass trombones feature agile and quick response, highly accurate intonation, and best of all a rich full sound. They play evenly and comfortably in all registers—at any dynamics—and the tone is warm but with enough definition for clarity and projection.
The YSL-684G features Yamaha’s original semi-open wrap F section for free response yet compact shape and has a medium-large bore size for all-around performance.

Gold-brass bell: 214.4mm (8-1/2")Bore: 13.34mm (0.525")Gold lacquer finish Mouthpiece: 48