Which has a bigger cup — Bach 1¼G or Bob Reeves DR ORCH?

The Bach 1¼G has a cup diameter of 27.50 mm / 1.0827 in compared to 25.55 mm / 1.0059 in on the Bob Reeves DR ORCH — a difference of 1.95 mm / 0.0768 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 1¼G and Bob Reeves DR ORCH?

The Bach 1¼G has a very deep cup while the Bob Reeves DR ORCH has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 1¼G vs Bob Reeves DR ORCH

Name: Bob Reeves DR ORCH
Brand: Bob Reeves

The Bach 1¼G has a wider cup diameter, the Bach 1¼G features a deeper cup.

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 1¼G

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Bob Reeves DR ORCH

• Trombone

Material—

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 1¼G details Bob Reeves DR ORCH details Bach 1¼G equivalents Bob Reeves DR ORCH equivalents

Bach 1¼G vs Bob Reeves DR ORCH

Playing Characteristics

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Which is better?

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