Mouthpiece Comparison: Yamaha Trumpet

Standard Series
Yamaha
Model No.
Approximate
Size Equivalent
5A4 Bob Reeves 40/ES 69
6A4a Schilke 6A4a
7A4 Purviance 4 (4*D4)
7B4 Schilke 7B4
8C4 Bach 10-1/2C, Giardinelli 10C
9C4 Bach 7C with smaller rim diam.
11A4 Bach 7E
11B4 Bach 7D
11 Schilke 11
11C4-7C Bach 7C, Giardinelli 7C
13A4a Schilke 13A4a
13B4 Bach 6C
13C4 Bach 6B
13D4 Bach 6
14A4a Schilke 14A4a, Giardinelli 6S
14B4 Bach 3C. Schllke 15B
14C4 Bach 5C, Giardinelli 5C
14D4 Bach 5B
14E4 Bach 3C rim,very deep cup
15B4 Bach 2C, shallower cup
15C4 Bach 2C
15E4 Bach 2C rim, very deep cup
16C4 Bach 1-1/2C
16D Bach 1-1/2C, deeper cup
16E4 Bach 1-1/2C rim, very deep cup
17B4 Bach 1-1/4C
17C4 Bach 1C
17D4 Bach 1C, deeper cup
18C4 Bach 1
GP Series
Yamaha
Model No.
Approximate
Size Equivalent
7A4 Purviance 4 (4*D4)
8C4 Bach 10-1/2C, Giardinelli 10C
11B4 Bach 7D
14A4a Schilke 14A4a, Giardinelli 6S
14B4 Bach 3C. Schllke 15B
14C4 Bach 5C, Giardinelli 5C
16C4 Bach 1-1/2C
17C4 Bach 1C
Silver 925 Series
Yamaha
Model No.
Approximate
Size Equivalent
7A4 Purviance 4 (4*D4)
11B4 Bach 7D
14A4a Schilke 14A4a, Giardinelli 6S
14B4 Bach 3C. Schllke 15B
16C4 Bach 1-1/2C

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