Bach 12C vs Yamaha SL-TRUDEL-S
The Yamaha SL-TRUDEL-S has a wider cup diameter, the Yamaha SL-TRUDEL-S features a deeper cup, the Yamaha SL-TRUDEL-S has a larger throat opening.
Cup Diameter
The Yamaha SL-TRUDEL-S has a cup diameter of 25.23 mm compared to 24.50 mm on the Bach 12C — a difference of +0.73 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Yamaha SL-TRUDEL-S has a very deep cup while the Bach 12C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Yamaha SL-TRUDEL-S has a wider throat (7.15 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 12C with others
Compare Yamaha SL-TRUDEL-S with others
Popular Trombone comparisons
- Yamaha SL-YEO-S vs Marcinkiewicz ET3C. Loper
- Giardinelli Sym. T vs Bach 12E
- Bach 12E vs Bob Reeves 5G Gladstone
- Schilke 45B vs Marcinkiewicz ET3C. Loper
- Denis Wick 6BL vs Conn Connstellation 7CW
- Bach 12E vs Bach Mega Tone Trombone 6½A
- Yamaha SL-48DL vs Yamaha SL-YEO-S
- Conn Connstellation 7CW vs Bach 6½A (small shank)