Name: GR Technologies E65MX
Brand: GR Technologies

Question 1

What is the difference between Bach 1½C and GR Technologies E65MX?

Accepted Answer

The Bach 1½C has a wider cup diameter, the GR Technologies E65MX features a deeper cup.

Question 2

Which has a bigger cup — Bach 1½C or GR Technologies E65MX?

Accepted Answer

The Bach 1½C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.50 mm / 0.6496 in on the GR Technologies E65MX — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Question 3

How does cup depth compare between Bach 1½C and GR Technologies E65MX?

Accepted Answer

The GR Technologies E65MX has a deep cup while the Bach 1½C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Question 4

Which is better, Bach 1½C or GR Technologies E65MX?

Accepted Answer

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.

Bach 1½C vs GR Technologies E65MX

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