GR 66MS

TrumpetIn Production

Specifications

Brand	GR
Model	66MS
Instrument	Trumpet
Rim Diameter	16.76 mm
Rim Width	medium
Rim Contour	gr-standard
Cup Depth	Medium Shallow
Cup Depth (mm)	—
Cup Shape	compu-balanced
Throat Diameter	3.66 mm
Throat Drill #	—
Backbore	gr-optimized
Shank	standard
Material	brass
Finish	silver-plate
Weight	standard

Recommended For

CommercialAll Around

Special Features

Compu Balanced

About This Mouthpiece

The GR 66MS is a medium-shallow-cup Bb trumpet mouthpiece featuring a 16.76mm rim diameter and 3.66mm throat. It has a gr-optimized backbore, standard shank. Well-suited for commercial and all-around playing. Notable features include compu balanced.

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Rate This Piece — 8 Dimensions

Physical Feel

Resistance— Back-pressure & support

1 — Free-blowingRestrictive — 10

Rim Comfort— How kind is it on your chops?

1 — UncomfortableVery comfortable — 10

Rim Bite— Sharpness of the rim edge

1 — Very round / forgivingVery sharp / precise — 10

Tonal Character

Brightness— Overall spectral colour

1 — Dark & warmBright & piercing — 10

Tone Focus— Core vs. spread sound

1 — Spread / diffuseCentred / laser — 10

Playability

Articulation— Clarity & crispness of attack

1 — Blurry / sluggishCrisp & immediate — 10

Flexibility— Ease of slurs & pitch bending

1 — Rigid / stiffFluid & flexible — 10

Stamina

Endurance— How long before fatigue sets in?

1 — Tires quicklyPlays all night — 10

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