Bach 4C

TromboneIn Production

Specifications

Brand	Bach
Model	4C
Instrument	Trombone
Rim Diameter	25.5 mm
Rim Width	medium
Rim Contour	medium
Cup Depth	Medium
Cup Depth (mm)	—
Cup Shape	bowl
Throat Diameter	5.85 mm
Throat Drill #	—
Backbore	#402
Shank	small
Material	brass
Finish	silver-plate
Weight	standard

Recommended For

All Around

About This Mouthpiece

The Bach 4C is a medium-cup tenor trombone mouthpiece featuring a 25.5mm rim diameter and 5.85mm throat. It has a #402 backbore, small shank. Well-suited for all-around playing.

View on Manufacturer Site →🌐 Bach Website

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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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