Name: Conn Precision 1
Brand: Conn

Question 1

What is the difference between Bach 1½C and Conn Precision 1?

Accepted Answer

The Bach 1½C has a wider cup diameter, the Conn Precision 1 features a deeper cup.

Question 2

Which has a bigger cup — Bach 1½C or Conn Precision 1?

Accepted Answer

The Bach 1½C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.56 mm / 0.6520 in on the Conn Precision 1 — a difference of 0.44 mm / 0.0173 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 Conn Precision 1?

Accepted Answer

The Conn Precision 1 has a — 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 Conn Precision 1?

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 Conn Precision 1

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