Marcinkiewicz Horn
F. H. Models Outside Cup dia. Inside Cup dia. Cup Depth Drill Venturi Length Comparison Only
1 1.000 in.
25.40 mm 		0.705 in.
17.91 mm 		1.006 in.
25.55 mm 		0.228 in.
5.79 mm 		2.500 in.
63.50 mm 		Schilke 32
3 1.000 in.
25.40 mm 		0.705 in.
17.91 mm 		0.992 in.
25.20 mm 		0.213 in.
5.41 mm 		2.500 in.
63.50 mm 		Giardinelli C4
5 1.000 in.
25.40 mm 		0.699 in.
17.75 mm 		0.983 in.
24.97 mm 		0.206 in.
5.23 mm 		2.500 in.
63.50 mm 		Smaller than C4
7 1.000 in.
25.40 mm 		0.699 in.
17.75 mm 		0.974 in.
24.74 mm 		0.201 in.
5.11 mm 		2.500 in.
63.50 mm 		Larger than C10
9 1.000 in.
25.40 mm 		0.692 in.
17.58 mm 		0.965 in.
24.51 mm 		0.196 in.
4.98 mm 		2.500 in.
63.50 mm 		Giardinelli C10
11 1.000 in.
25.40 mm 		0.692 in.
17.58 mm 		0.956 in.
24.28 mm 		0.191 in.
4.85 mm 		2.500 in.
63.50 mm 		Holton Farkas MDC
13 1.000 in.
25.40 mm 		0.686 in.
17.42 mm 		0.947 in.
24.50 mm 		0.185 in.
4.70 mm 		2.500 in.
63.50 mm 		Bach 7
Marcinkiewicz ProLine French Horn
"R" referes to the two-piece mouthpiece
ProLine Concert Hall Model No. One Piece Outside Cup dia. Two Piece Outside Cup dia. Inside Cup dia. Cup Depth Drill Venturi Length Rim Comparison Only
CH 1S &
CH R 1S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.705 in.
17.91 mm 		1.006 in.
25.55 mm 		0.228 in.
5.79 mm 		2.500 in.
63.50 mm 		Round Schilke 32
CH 3S &
CH R 3S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.705 in.
17.91 mm 		0.992 in.
25.20 mm 		0.213 in.
5.41 mm 		2.500 in.
63.50 mm 		Round Giardinelli C4
CH 5S &
CH R 5S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.699 in.
17.75 mm 		0.983 in.
24.97 mm 		0.206 in.
5.23 mm 		2.500 in.
63.50 mm 		Round Smaller than C4
CH 7S &
CH R 7S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.699 in.
17.75 mm 		0.974 in.
24.74 mm 		0.201 in.
5.11 mm 		2.500 in.
63.50 mm 		Round Larger than C10
CH 9S &
CH R 9S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.692 in.
17.58 mm 		0.965 in.
24.51 mm 		0.196 in.
4.98 mm 		2.500 in.
63.50 mm 		Round Giardinelli C10
CH 11S &
CH R 11S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.692 in.
17.58 mm 		0.956 in.
24.28 mm 		0.191 in.
4.85 mm 		2.500 in.
63.50 mm 		Round Holton Farkas MDC
CH 13S &
CH R 13S 		1.000 in.
25.40 mm 		0.996 in.
25.30 mm 		0.686 in.
17.42 mm 		0.947 in.
24.50 mm 		0.185 in.
4.70 mm 		2.500 in.
63.50 mm 		Round Bach 7
Marcinkiewicz ProLine French Horn
Designer/
Signature 		Model No. Outside Cup dia. Inside Cup dia. Cup Depth Drill Venturi Length Rim Comparison Only
John Cerminaro CH EF 1
w/C rim 		0.940 in.
23.88 mm 		0.685 in.
17.40 mm 		1.552 in.
39.42 mm 		0.228 in.
5.79 mm 		2.70 in.
68.58 mm 		Round Holton Farkas XDC
or Stork M1
Mark Taylor CH EF 3 1.000 in.
25.40 mm 		0.705 in.
17.91 mm 		0.992 in.
25.20 mm 		0.228 in.
5.79 mm 		2.500 in.
63.50 mm 		Round ---
John Cerminaro CH EF 5
w/C rim 		0.940 in.
23.88 mm 		0.685 in.
17.40 mm 		1.089 in.
27.66 mm 		0.228 in.
5.79 mm 		2.70 in.
68.58 mm 		Round Bloom B1
or Giardinelli C1
John Cox CH EF 21
w/B rim 		0.972 in.
23.55 mm 		0.688 in.
17.48 mm 		0.878 in.
22.70mm 		0.180 in.
4.57 mm 		2.50 in.
63.50 mm 		Round Modified CH 13
w\rim close to B