Michael Rath CB1

TromboneIn Production

Precision Specifications

RIM DIAMETER28.9 mm

CUP DEPTHExtra Deep

THROAT ∅8 mm

BACKBORE—

SHANKlarge

CUP SHAPE—

Rim Width—

Rim Contour—

Throat Drill #—

Materialbrass

Finishsilver_plate

Weightstandard

Recommended For

OrchestralClassical

About This Mouthpiece

Contrabass model CB1 — 28.9mm rim (42.5mm OD), 8.0mm throat. More approachable rim diameter while retaining full contrabass cup volume.

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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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