Which has a bigger cup — Bach 5GB (large shank) or Bach 5GB (small shank)?

Both mouthpieces have virtually identical cup diameters at 25.50 mm / 1.0039 in.

How does cup depth compare between Bach 5GB (large shank) and Bach 5GB (small shank)?

Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.

Bach 5GB (large shank) vs Bach 5GB (small shank)

Name: Bach 5GB (small shank)
Brand: Bach

Both mouthpieces share similar core dimensions — the differences are in the details.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bach 5GB (large shank)

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Bach 5GB (small shank)

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Which is better?

Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

Open in interactive tool + Add third mouthpiece Bach 5GB (large shank) details Bach 5GB (small shank) details Bach 5GB (large shank) equivalents Bach 5GB (small shank) equivalents

Bach 5GB (large shank) vs Bach 5GB (small shank)

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach 5GB (large shank) with others

Compare Bach 5GB (small shank) with others

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