Which has a bigger cup — Bach 12E or Bob Reeves DR ORCH?

The Bob Reeves DR ORCH has a cup diameter of 25.55 mm / 1.0059 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 1.05 mm / 0.0413 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12E and Bob Reeves DR ORCH?

The Bob Reeves DR ORCH has a medium cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12E vs Bob Reeves DR ORCH

Name: Bob Reeves DR ORCH
Brand: Bob Reeves

The Bob Reeves DR ORCH has a wider cup diameter, the Bob Reeves DR ORCH 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 12E

• Trombone

Material—

Best suited for

📣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.