Bach 12E vs Bruno Tilz 214-7 C
The Bruno Tilz 214-7 C has a wider cup diameter, the Bach 12E has a larger throat opening.
Cup Diameter
The Bruno Tilz 214-7 C has a cup diameter of 25.00 mm / 0.9843 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Bach 12E has a wider throat (5.85 mm / 0.2303 in vs 5.80 mm / 0.2283 in). 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 12E with others
Compare Bruno Tilz 214-7 C with others
Popular Trombone comparisons
- Bach 12E vs Bob Reeves 5G Gladstone
- Giardinelli Sym. T vs Bach 12E
- Yamaha SL-YEO-S vs Marcinkiewicz ET3C. Loper
- Denis Wick 6BL vs Conn Connstellation 7CW
- Schilke 45B vs Marcinkiewicz ET3C. Loper
- Yamaha SL-48DL vs Yamaha SL-YEO-S
- Conn Connstellation 7CW vs Bach 6½A (small shank)
- Giardinelli Sym. T vs Bruno Tilz 306-5 GS