Greg Black 1.25G

TromboneIn Production

Precision Specifications

RIM DIAMETER28.5 mm

CUP DEPTHDeep

THROAT ∅8.03 mm

BACKBOREopen

SHANKlarge

CUP SHAPEbowl

Rim Widthmedium-thin

Rim Contourmedium

Throat Drill #—

Materialbrass

Finishsilver-plate

Weightregular

Recommended For

Orchestral

Special Features

Gs Shallow Available

About This Mouthpiece

The Greg Black 1.25G is a deep-cup bass trombone mouthpiece featuring a 28.5mm rim diameter and 8.03mm throat. It has a open backbore, large shank. Well-suited for orchestral playing. Notable features include gs shallow available.

View on Manufacturer Site →Greg Black ↗

Brand Deep Dive

Greg Black · BrassFit Science

Greg Black Guide

Trumpet cup and backbore logic, Symphony vs New York trombone lines, and low-brass system overview.

→

The 2 Cents Forum

Share how this mouthpiece feels, responds, and works in different registers.

Add Your 2 Cents →

Community Sentiment

No ratings yet — be the first to rate this mouthpiece!

Rate This Piece

Your Name

Material You Played

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

Your Review0/5,000

By posting, you agree to our Terms and Privacy Policy. Reviews are public and cannot be deleted.

The 2 Cents Forum0 reviews

No reviews yet

Be the first to drop your 2 cents on this mouthpiece!