Hammond 31LB

TubaCustom Order

Precision Specifications

RIM DIAMETER32.89 mm

CUP DEPTHDeep

THROAT ∅—

BACKBORE—

SHANKlarge shank

CUP SHAPEbowl

Rim Width—

Rim Contour—

Throat Drill #—

Material—

Finish—

Weight—

Catalog Status

Pronounced bowl shape for greater depth capability.

Some lab-style fields are still missing on this entry, so the spec display focuses on the dimensions and fit data we can currently support.

About This Mouthpiece

Pronounced bowl shape for greater depth capability. | Official 29/30/31 tuba system staged as explicit future mouthpiece rows. 32 and 33 mm custom endpoints are excluded from direct import. | Inferred from Hammond tuba matrix stage pack.

View on Manufacturer Site →Hammond ↗

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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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