Bach 7C vs Bruno Tilz 306-8 GT
The Bruno Tilz 306-8 GT has a wider cup diameter, the Bruno Tilz 306-8 GT features a deeper cup, the Bruno Tilz 306-8 GT has a larger throat opening.
Cup Diameter
The Bruno Tilz 306-8 GT has a cup diameter of 28.00 mm compared to 24.75 mm on the Bach 7C — a difference of +3.25 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 306-8 GT has a deep cup while the Bach 7C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bruno Tilz 306-8 GT has a wider throat (7.20 mm vs 5.85 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.
Compare Bach 7C with others
Compare Bruno Tilz 306-8 GT with others
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