Name: Yamaha TR-14B4
Brand: Yamaha

Question 1

What is the difference between GR Technologies 3M and Yamaha TR-14B4?

Accepted Answer

The Yamaha TR-14B4 has a wider cup diameter, the GR Technologies 3M features a deeper cup.

Question 2

Which has a bigger cup — GR Technologies 3M or Yamaha TR-14B4?

Accepted Answer

The Yamaha TR-14B4 has a cup diameter of 16.85 mm / 0.6634 in compared to 16.76 mm / 0.6598 in on the GR Technologies 3M — a difference of 0.09 mm / 0.0035 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Question 3

How does cup depth compare between GR Technologies 3M and Yamaha TR-14B4?

Accepted Answer

The GR Technologies 3M has a medium cup while the Yamaha TR-14B4 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Question 4

Which is better, GR Technologies 3M or Yamaha TR-14B4?

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.

GR Technologies 3M vs Yamaha TR-14B4

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