Bach vs Giardinelli Trombone Mouthpieces
Bach offers 74 trombone mouthpieces (made in United States), while Giardinelli has 16 models (made in United States). On average, Bach cups measure 25.40mm versus 25.87mm for Giardinelli. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Bach
Models74
Avg cup25.40mm
Avg throat6.40mm
Common style—
CountryUnited States
vs
Giardinelli
Models16
Avg cup25.87mm
Avg throat6.53mm
Common style—
CountryUnited States
Bach vs Giardinelli — head-to-head comparisons
- Bach 1¼G vs Giardinelli Sym. T
- Bach 1¼G vs Giardinelli 1GM
- Bach 1¼G vs Giardinelli 4M
- Bach 1¼G vs Giardinelli 2G
- Bach 6½AL (large shank) vs Giardinelli Sym. T
- Bach 6½AL (large shank) vs Giardinelli 1GM
- Bach 6½AL (large shank) vs Giardinelli 4M
- Bach 6½AL (large shank) vs Giardinelli 2G
- Bach 12E vs Giardinelli Sym. T
- Bach 12E vs Giardinelli 1GM
- Bach 12E vs Giardinelli 4M
- Bach 12E vs Giardinelli 2G
All models
Bach (74)
1¼G
27.50mm · V.Deep
6½AL (large shank)
25.40mm · Deep
12E
24.50mm · Shallow
12C
24.50mm · Shallow
6½A (small shank)
25.40mm · Deep
5GS (large shank)
25.50mm · Deep
6½AL (small shank)
25.40mm · Deep
Mega Tone Trombone 6½A
25.40mm · Deep
4G
26.00mm · V.Deep
5G (large shank)
25.50mm · V.Deep
Mega Tone Trombone 6½AL
25.40mm · Deep
11C
24.70mm · Shallow
15D
24.40mm · Shallow
6½AM (small shank)
25.40mm · Deep
7C
24.75mm · Shallow
Mega Tone Trombone 5
25.50mm · Medium
1¼GM
27.50mm · V.Deep
14½D
24.50mm · Shallow
15E
24.40mm · Shallow
5GS (small shank)
25.50mm · Deep
Giardinelli (16)
Sym. T
25.80mm · Deep
1GM
27.00mm · Deep
4M
25.40mm · Medium
2G
26.50mm · V.Deep
3D
26.30mm · Deep
3GM
26.00mm · Deep
4D
25.40mm · Deep
1G
27.00mm · V.Deep
3G
26.00mm · V.Deep
5M
25.00mm · Medium
6D
24.50mm · Deep
6M
24.50mm · Medium
Sym. B.
26.70mm · V.Deep
2GM
26.50mm · Deep
3M
26.30mm · Medium
5D
25.00mm · Deep
Frequently asked questions
Which brand makes better trombone mouthpieces — Bach or Giardinelli?
Neither brand is universally better. Bach has 74 models and Giardinelli has 16. The best choice depends on your playing style, preferred cup depth, and tonal goals. Compare specific models head-to-head to find the right fit.
How do Bach and Giardinelli trombone mouthpieces compare in size?
Bach averages 25.40mm cup diameter with 6.40mm throat. Giardinelli averages 25.87mm cup diameter with 6.53mm throat.