Antoine Courtois AC551BHA Bass Trombone

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Antoine Courtois AC551BHA Bass Trombone

Antoine Courtois

AC551BHA Bass Trombone

4.4 Expert Rating

Product Info

Article Number: 450234
Model: AC551BHA Bass Trombone
Price: $10,997.80

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

This AC551BHA is a serious instrument—a real workhorse. The Courtois sound is classic, dark, and powerful, and the Hagmann valve system makes it surprisingly easy to play with incredible accuracy. It's ideal for professional orchestral players and advanced students seeking a top-tier bass trombone experience.

Product Description

  • Antoine Courtois AC551BHA Bass Trombone
  • Bb/F Bass Trombone
  • Model "New York"
  • Dual bore: 14.3 / 14.7 mm
  • Hand-hammered
  • one-piece and removable brass cup with 241 mm diameter
  • Brass outer slide
  • Nickel silver hard chrome-plated inner slide
  • With brass bow
  • F-attachment open wrap
  • Hagmann valve system F and G/Gb are open wrap
  • G-valve slide for retuning to Gb
  • Ergonomic
  • removable handrest
  • Clear lacquered
  • Incl. mouthpiece and Marcus Bonna case
PROS
  • • Hand-hammered bell delivers exceptional projection and warmth.
  • • Hagmann valve system provides incredibly responsive and accurate intonation.
  • • Dual bore design offers versatility across a wide range of musical styles.
  • • Removable handrest enhances ergonomics and playing comfort significantly.
CONS
  • • The price point firmly places this instrument in a premium-priced category.
  • • Its substantial weight may be fatiguing for less experienced players.
  • • The open wrap F-attachment can be prone to condensation in colder climates.

Product Video

Key Features

Bore Size 14.3 / 14.7 mm
Bell Size 241 mm
Material Yellow Brass (cup), Brass (outer slide), Nickel Silver (inner slide)
Valves Hagmann valve system (F and G/Gb open wrap) with G-valve slide
Finish Clear Lacquer
Weight Approximately 5.5 lbs

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Frequently Asked Questions

The Hagmann system offers quicker response and improved articulation due to its innovative design, minimizing air leakage and maximizing efficiency.
Yes, the open wrap allows for a more direct airflow, enhancing response and reducing back pressure, particularly at lower registers.
Courtois typically suggests a 12-1/2 to 13-1/2 inch mouthpiece with a medium cup, to complement the instrument's rich tone and responsive valve action.

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