Marcinkiewicz 300 Series Trumpet
Model Number
Outside Cup dia.
Inside Cup dia.
Cup Depth
Drill Venturi
Length
Cup Comparison Only
300 1.090 in.
27.69 mm		 0.692 in.
17.58 mm		 0.513 in.
13.03 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
301 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.513 in.
13.03 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
302 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.507 in.
12.88 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
303 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.501 in.
12.73 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
304 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.495 in.
12.57 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
305 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.489 in.
12.42 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach B Cup
306 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.483 in.
12.27 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach C Cup
307 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.477 in.
12.12 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach C Cup
308/1-1/2C 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.471 in.
11.96 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach C Cup
309 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.465 in.
11.81 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach C Cup
310 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.459 in.
11.66 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach C Cup
311 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.453 in.
11.51 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach E Cup
312 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.447 in.
11.35 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach E Cup
313 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.441 in.
11.20 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach E Cup
314 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.435 in.
11.05 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach E Cup
315 1.081 in.
27.46 mm		 0.677 in.
17.20 mm		 0.429 in.
10.90 mm		 0.144 in.
3.66 mm		 3.450 in.
87.63 mm		 Bach E Cup