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Harrelson GS17 Special Prototype

SKU: GS17

$5,995.00

$5,995.00

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per item

Video review! This brand new GS17 offers maximum bell resonance in a lightweight, high efficiency design. The only one ever made. The GS17 trumpet was built to test new prototype tuning slide cast from Red Brass.

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Harrelson GS17 Bb Trumpet

The very first lattice structure cast red brass bracing

This brand new Harrelson GS17 offers maximum bell resonance in a lightweight, high efficiency design. The only one ever made. The GS17 trumpet was built to test new prototype tuning slide and lattice structure top bracing cast from Red Brass.

2025 GS17 Prototype Trumpet
Base Price: $5995
Key: Bb
Genre: Built for All Around playing, and great for Solo, Jazz, Lead, Symphonic, Chamber
Weight Class: Medium Light
Resonance Rating: High
Efficiency Rating: High
Bracing: experimental one-piece Lattice Structure valve casing brace
Laser Sintered Bracing: experimental Laser Sintered Stainless Steel Lattice Structure 1st slide brace
Venturi: variable with VGR system
Receiver: VGR - Venturi Gap Receiver in 5/8" diameter with limited edition slotting
SWE Leadpipe: 1 (versatile) - 1st generation leadpipe repaired with coupler shown in photos
Tuning Slide: prototype Simple Strut SWE Tuning Slide in cast Red Brass with permanent anti-nodal experimental screw plugs
Bell: 10, yellow brass, large taper, standard thickness, standard diameter
Finger Rings: Standard
Finger Buttons: Solid Brass
Valve Stems: Aluminum, HEVS are optional
Top/Bottom Caps: Medium Light weight Round (limited edition)
Water Keys: Amado
Third Slide Stop: Screw
Finish: Raw
Delivery: Ready to ship