Antoine Courtois AC424BXA Bb/F- Tenor Trombone

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Antoine Courtois AC424BXA Bb/F- Tenor Trombone

Antoine Courtois

AC424BXA Bb/F- Tenor Trombone

4.5 Expert Rating

Product Info

Article Number: 594214
Model: AC424BXA Bb/F- Tenor Trombone
Price: $7,445.90

* Prices may vary. Check retailer for current pricing and availability.

The AC424BXA is a serious instrument built for the advanced player or professional. It’s got a fantastic, focused sound with excellent projection, and the Florida model’s design is clearly intended to deliver a responsive and reliable playing experience—perfect for orchestral and solo work where precision and a rich tone are paramount.

Product Description

  • Antoine Courtois AC424BXA Bb/F- Tenor Trombone
  • Bb/F Tenor Trombone
  • Model: Florida
  • Detachable 216 mm brass brass bell with a new bayonet screw connection
  • Conical bore: 13.88 - 14.30 mm
  • "X shape" with Edge Bracing
  • Vibra Bell Hagmann
  • Brass outer slides with nickel silver valve handle
  • This trombone was developed with Joël Vaïsse
  • principal trombonist of the Florida Orchestra
  • Clear lacquer finish
  • Including flat case with ‘Florida’ design
PROS
  • • Exceptional projection and resonance thanks to the Vibra Bell design.
  • • The 'X' bracing offers remarkable stability and response across the range.
  • • Joël Vaïsse’s input delivers a refined, professional feel and playability.
  • • The bayonet bell connection allows for easy experimentation with different bell options.
CONS
  • • The conical bore might feel restrictive for players accustomed to more open designs.
  • • Premium-priced, making it a significant investment for most players.
  • • The heavier brass construction contributes to a substantial overall weight.

Product Video

Key Features

Bore Size 13.88 - 14.30 mm conical
Bell Size 216 mm
Material Yellow Brass (Bell & Slides)
Valve Type Nickel Silver Valve Handle
Finish Clear Lacquer
Mouthpiece Not Included (Typically uses a Bach 12C or similar)
Weight Approximately 5.5 lbs

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Frequently Asked Questions

The Vibra Bell is designed to enhance resonance and projection, adding a warmth and complexity to the tone while maintaining clarity.
The bracing provides stability, but it’s integrated well—you'll feel a slight increase in rigidity, which aids in focused intonation, rather than a feeling of excessive resistance.
The Courtois offers a distinct French-style tone and feel, often perceived as slightly darker and more refined than the brighter, more direct response of a Bach, while potentially offering more versatility than a more specialized Shires model.

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