Model #TP4101 Raw brass
Model #TP4100 Lacquered
Technical Specifications:
Professional double Franch Horn Bb/F
Bore: 11.9mm / 0.468"
Diameter: 311mm / 12 1/4"
Lead pipe material: Gold Brass
Body material: Yellow Brass
Model #TP5010 Raw Brass
Model #TP5050 Lacquered
Model #TP5120 Silver Plated
Technical Specifications:
Bore: 12,1 mm / 0.476"
Bell diameter: 309 mm / 12 1/6
6 way Kruspe system
Model #TP5011 Raw Brass
Model #TP5051 Lacquered
Model #TP5121 Silver Plated
Technical Specifications:
Bore: 12,1 mm / 0.476"
Bell diameter: 309 mm / 12 1/6
6 way Kruspe system
Model #TP5012 Raw Brass
Model #TP5052 Lacquered
Model #TP5122 Silver Plated
Technical Specifications:
Bore: 12,1 mm / 0.476"
Bell diameter: 309 mm / 12 1/6
6 way Kruspe system
Model #TP5010-6 Raw Brass
Model #TP5050-6 Lacquered
Model #TP5120-6 Silver Plated
Technical Specifications:
Bore: 12.1mm/0.476"
Bell diameter: 309mm 12 1/6"
Geyer System
Model #TP5011-6 Raw Brass
Model #TP5051-6 Lacquered
Model #TP5121-6 Silver Plated
Technical Specifications:
Bore: 12.1mm/0.476"
Bell diameter: 309mm 12 1/6"
Geyer System
Model #TP5012-6 Raw Brass
Model #TP5052-6 Lacquered
Model #TP5122-6 Silver Plated
Technical Specifications:
Bore: 12.1mm / 0.476"
Bell diameter: 309 mm / 12 1/6"
Geyer System
Model #TP5012-7 Raw Brass 
