Courtois Trombones

• 7" rose brass bell
• .464"/.492" dual bore
• TA11 mouthpiece
• deluxe case

Same as the AC31R, but with trill rotary valve on the main tuning slide

AC430TL-1-0 Xtreme

• 7 3/4" (193mm) yellow brass bell
• .500" (12.7mm) bore
• lightweight brass slide
• TB6½ MPA mouthpiece
• softpack case

AC402TL-1-0 Jazz

• .508 bore8"
• 8" yellow brass bell
• ergonomic slide grip
• softpack case

AC430TLR-1-0 Xtreme

• 7 3/4" (193mm) rose brass bell
• .500" (12.7mm) bore
• lightweight brass slide
• TB6½ MPA mouthpiece
• softpack case

AC402TLR-1-0 Jazz

• .508" bore
• 8" rose brass bell
• ergonomic slide grip
• softpack case

(AC430TL-1-0 shown)

AC420BO-1-0
• 8.5" yellow brass bell
• .547" (bore
• brass outer slide
• open wrap F attachment with miniball and newly designed lever
• TB6½ MA mouthpiece
• softpack case

AC420BH-1-0
• same as AC420BO-1-0 except with Rene Hagmann valve

AC420BT-1-0
• same as AC420BO-1-0 except with a Thayer valve

AC440BR-1-0 (Conn 88h copy)
• .547" bore
• 8.5" two piece red brass bell
• standard rotor closed wrap F-attachment with mini ball linkage
• adjustable thumb trigger
• narrow brass outer slide
• softpack case

AC420BO-0-1 Shown

AC420T-1-0
• .547 bore
• 8.5" yellow brass bell
• (no F attachment)

AC420TR-1-0
• same as the AC420T-1-0 except with rose brass bell

AC420BR-1-0
• same as AC420BO-1-0 except for closed wrap F attachment and rose brass bell

AC420B-1-0
• same as AC420BO-1-0 except for closed wrap F attachment

AC420MB-1-0
• same as AC420BO-1-0 except for closed wrap F attachment and a Sterling Silver leadpipe

AC420MBR-1-0
• same as AC420MB except with a rose brass bell

AC420MBO-1-0
• same as AC420BO-1-0 except with sterling silver lead pipe

AC420BOR-1-0
• same as AC420BO-1-0 except with rose brass bell

AC420MBOR-1-0
• same as AC420BOR-1-0 except with a sterling silver lead pipe

AC420BHR-1-0
• same as AC420BH-1-0 except with a rose brass bell

AC42MBH-1-0
• same as AC420BH-1-0 except with a sterling silver lead pipe

AC42MBHR-1-0
• same as AC42MBH-1-0 with a rose brass bell

AC420BTR-1-0
• same as AC420BT-1-0 except with a rose brass bell

AC420BTST-1-0
• same as AC420BT-1-0 except with a sterling silver bell

AC502B-1-0 Mezzo
• 9.5" yellow brass bell
• .562" bore
• brass outer slide
• 2 independent valves, F/Gb/D attachment with miniball
• TB½G mouthpiece
• softpack case

AC550BH-1-0 Hagmann
• Same as AC502B-1-0 except for differences below
• Hagmann valve system
• adjustable Gb/D lever
• ergonomic slide grip
• lightweight brass outer slide

AC502B-1-0 Shown

AC502BR-1-0
• same as AC502B-1-0 except with a rose brass bell

AC550BHR-1-0
• same as AC550BH-1-0 except with a rose brass bell (Hagmann Valves)

AC550BHL-1-0
• same as AC550BH-1-0 except with a 10.5" yellow brass bell (Hagmann Valves)

AC550BHLR-1-0
• same as AC550BHL-1-0 except with a 10.5" rose brass bell  (Hagmann Valves)

AC420MBOST, Designed by Michel Becquet
• .547 bore
• 8.5" sterling silver bell
• sterling silver lead pipe
• open wrap with standard rotor and miniball linkage
• ultra light weight slide
• includes softpack case