The Greenhoe GB4 features a design based upon the finest mid to late 20th century orchestral large bore tenor trombones. The GB4’s one-piece bell offers a broad sound and excellent projection with minimal effort. Subtleties and nuances abound with Greenhoe’s improvements to the classic design.
GB4-1G
Bell Material: Gold Brass
Bell Design: One-piece Bell
Bell Thickness: LT
Bell Size: 8.5″
Bore Size: .547″
Main Tuning Slide: Yellow Brass
Valve: Greenhoe Valve w/ Yellow Brass Tubing
Valve Cap: Standard
Handslide: Yellow Brass
Handslide Crook: Nickel Silver
Leadpipe: Interchangeable (2), Yellow Brass
GB4-1Y
Bell Material: Yellow Brass
Bell Design: One-piece Bell
Bell Thickness: LT
Bell Size: 8.5″
Bore Size: .547″
Main Tuning Slide: Yellow Brass
Valve: Greenhoe Valve w/ Yellow Brass Tubing
Valve Cap: Standard
Handslide: Yellow Brass
Handslide Crook: Nickel Silver
Leadpipe: Interchangeable (2), Yellow Brass
GB4-0G
Bell Material: Gold Brass
Bell Design: One-piece Bell
Bell Thickness: LT
Bell Size: 8.5″
Bore Size: .547″
Main Tuning Slide: Yellow Brass
Valve: None (Gooseneck)
Handslide: Yellow Brass
Handslide Crook: Nickel Silver
Leadpipe: Interchangeable (2), Yellow Brass
GB4-0Y
Bell Material: Yellow Brass
Bell Design: One-piece Bell
Bell Thickness: LT
Bell Size: 8.5″
Bore Size: .547″
Main Tuning Slide: Yellow Brass
Valve: None (Gooseneck)
Handslide: Yellow Brass
Handslide Crook: Nickel Silver
Leadpipe: Interchangeable (2), Yellow Brass
GB4 Options
Gold Brass Tuning Slide
Red Brass Valve Tubing
Nickel Silver Handslide
Gold Brass Handslide
Lightweight Handslide
Yellow Brass Handslide Crook
Lexan Valve Cap w/ Retaining Ring