Woodbridge, NJ, United States
About this listing
Bach trumpet mouthpieces have been designed in an orderly progression from the largest to the smallest diameters, and from the deepest to the most shallow cup, all with a choice of rim designs. Rim shape is described for each individual model. Model numbers progress numerically from model no. 1 with the largest cup diameter, to model no. 20C with the smallest cup diameter. Cup depths are notated with letters. "A" cups are the deepest; standard cups have no letter designation; progressively shallower cups are marked "B" through "F".
Empty Space
Model
Cup Depth
Approx Cup Dia.
Rim Shape
1
Deep
17.5 mm
Medium thin
1X
Deep
17 mm
Medium wide
1B
Medium deep
17 mm
Medium wide
1C
Medium
17 mm
Medium wide
1D
Medium shallow
17 mm
Medium wide
1E
Shallow
17 mm
Medium wide
1 1/4C
Medium
17 mm
Medium wide
1 1/2B
Medium deep
17 mm
Medium wide, not too sharp
1 1/2C
Medium
17 mm
Medium wide, not too sharp
2
Deep
16.5 mm
Medium wide, lowered toward the outside
2C
Medium
16.5 mm
Medium wide, lowered toward the outside
2 1/2C
Medium
16.4 mm
Medium wide, lowered toward the outside
2 3/4C
Medium
16.4 mm
Medium wide, lowered toward the outside. Slightly more narrow than No. 21 ⁄ 2C.
3
Deep
16.3 mm
Medium wide
3B
Medium deep
16.3 mm
Medium wide
3C
Medium
16.3 mm
Medium wide
3CW
Medium
16.3 mm
Slightly wider, lowered to outside
3D
Medium shallow
16.3 mm
Medium wide
3E
Shallow
16.3 mm
Medium wide
3F
Extra shallow
16.3 mm
Medium wide
5A
Very deep
16.25 mm
Medium wide, rounded inside edge
5B
Medium deep
16.25 mm
Medium wide, lowered toward the outside. Medium sharp edge
5C
Medium
16.25 mm
Medium wide, well rounded toward the inside and outside, fairly flat
5MV
Medium deep
16.25 mm
Medium wide, lowered toward the outside. Medium sharp edge
5SV
Shallow
16.25 mm
Medium wide, lowered toward the outside. Medium sharp edge
5V
Very deep
16.25 mm
Medium wide, lowered toward the outside. Medium sharp edge
6
Deep
16.2 mm
Medium wide, not too sharp
6B
Medium deep
16.2 mm
Medium wide, not too sharp
6BM
Medium deep
16.2 mm
Medium wide, not too sharp
6C
Medium
16.2 mm
Medium wide, not too sharp, rather flat
7
Deep
16.2 mm
Medium wide, lowered toward the outside. Medium sharp inside edge
7A
Very deep
16.2 mm
Medium wide, lowered toward the outside. Medium sharp inside edge
7B
Medium deep
16.2 mm
Medium wide, lowered toward the outside. Medium sharp inside edge
7BW
Medium deep
16.2 mm
Medium wide, lowered toward the outside. Medium sharp inside edge
7C
Medium
16.2 mm
Medium sharp inside. Well-rounded edge with a perfect grip.
7CW
Medium
16.2 mm
Slightly wider, gradually lowered toward the outside
7D
Medium shallow
16.2 mm
Medium wide, lowered toward the outside.
7DW
Medium shallow
16.2 mm
Slightly wider
7E
Shallow
16.2 mm
Medium wide
7EW
Shallow
16.2 mm
Slightly wider
8
Deep
16.2 mm
Fairly wide with slightly flatter surface than No. 7. Rounded inner edge
8B
Medium deep
16.2 mm
Fairly wide with slightly flatter surface than No. 7B. Rounded inner edge
8C
Medium
16.2 mm
Fairly wide with slightly flatter surface than No. 7C. Rounded inner edge
8 1/2
Deep
16.1 mm
Medium wide, lowered toward the outside. Med. sharp inside edge
8 1/2A
Very deep
16.1 mm
Medium wide with rounded inner edge
8 1/2B
Medium deep
16.1 mm
Medium wide, lowered toward the outside. Med. sharp inside edge
8 1/2C
Medium
16.1 mm
Medium wide
8 3/4
Deep
16.1 mm
Medium wide, not too sharp
8 3/4C
Medium
16.1 mm
Medium wide, slightly flat
9
Deep
16.05 mm
Medium wide, lowered toward the outside
9A
Very deep
16.05 mm
Medium wide, well rounded
9B
Medium deep
16.05 mm
Medium wide, lowered toward the outside
9C
Medim
16.05 mm
Medium wide, lowered toward the outside
9D
Medium shallow
16.05 mm
Medium wide, lowered toward the outside
10
Deep
16 mm
Fairly wide with rather broad, flat surface
10B
Medium deep
16 mm
Fairly wide with rather broad, flat surface
10C
Medium
16 mm
Fairly wide with rather broad, flat surface
10 1/2A
Very deep
15.9 mm
Medium wide, well rounded
10 1/2C
Medium
15.9 mm
Medium wide
10 1/2CW
Medium
15.9 mm
Extra wide, high toward the inner edge
10 1/2D
Medium shallow
15.9 mm
Medium wide, high toward the inner edge
10 1/2DW
Medium shallow
15.9 mm
Extra wide, high toward the inner edge
10 1/2E
Shallow
15.9 mm
Medium wide, high toward the inner edge
10 1/2EW
Shallow
15.9 mm
Extra wide, high toward the inner edge
10 3/4A
Very deep
15.75 mm
Medium wide, well rounded
10 3/4CW
Medium
15.75 mm
Extra wide
10 3/4EW
Shallow
15.75 mm
Extra wide
11A
Very deep
15.7 mm
Medium wide, well rounded
11B
Medium deep
15.7 mm
Medium wide, well rounded
11C
Medium
15.7 mm
Medium wide
11D
Medium shallow
15.7 mm
Medium wide, well rounded
11DW
Medium shallow
15.7 mm
Extra wide
11EW
Shallow
15.7 mm
Extra wide, high toward the inner edge
11 1/2A
Very deep
15.65 mm
Medium wide, well rounded
11 1/2C
Medium
15.65 mm
Medium wide
11 3/4C
Medium
15.6 mm
Medium wide, well rounded
11 3/4CW
Medium
15.6 mm
Fairly wide, rather flat, not too sharp
12
Deep
15.2 mm
Broad, rather flat.
12B
Medium deep
15.2 mm
Broad, rather flat.
12C
Medium
15.2 mm
Broad, rather flat.
12CW
Medium
15.2 mm
Broad, rather flat toward the inside
17
Deep
15.1 mm
Medium wide.
17C
Medium
15.1 mm
Medium wide.
18
Deep
15.1 mm
Broad, rather flat.
18C
Medium
15.1 mm
Broad, rather flat.
20C
Medium
15 mm
Medium wide.
Price$65
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