Thomann AH 403 S Alto horn

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Thomann AH 403 S Alto horn

Thomann

AH 403 S Alto horn

4.6 Expert Rating

Product Info

Article Number: 401082
Brand: Thomann
Model: AH 403 S Alto horn
Price: $437.80

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

The Thomann AH 403 S is a surprisingly capable alto horn, offering a good balance of sound and affordability. It's a great starting point for students or players looking for a reliable practice horn, and it delivers a decent tone for the price point. Don't expect a pro-level instrument, but for recreational playing or school band, it's a solid choice.

Product Description

  • Thomann AH 403 S Altohorn
  • Eb- Alto Horn
  • 3 Perinet valves
  • Bore Ø: 11.65 mm (0.459")
  • Bell Ø: 203
  • 00 mm (8")
  • Brass body
  • Nickel silver outer slides
  • Silver plated
  • Includes mouthpiece and a lightweight moulded case with shoulder carrying strap
PROS
  • • Solid brass body provides a warm, resonant tone.
  • • Nickel silver slides offer smooth, reliable action and durability.
  • • The 11.65mm bore promotes a full, powerful sound across the range.
  • • Lightweight molded case is practical for transport and storage.
CONS
  • • Silver plating, while attractive, will require regular polishing to prevent tarnish.
  • • The included mouthpiece is likely a basic model, an upgrade would enhance tone.
  • • Build quality, while decent for the price, won't match professional-grade instruments.

Product Video

Key Features

Key Eb
Bore Size 11.65 mm (0.459in)
Bell Size 203.0 mm (8in)
Material Brass body, Nickel silver outer slides, Silver plated
Valves 3 Perinet valves
Weight Approximately 3.5 kg (7.7 lbs) - typical for this class of instrument

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Frequently Asked Questions

The Yamaha student horns are generally considered a step up in terms of overall build quality and consistency, but the Thomann offers a competitive sound for a lower price.
The plating is adequate for typical use, but expect to polish it regularly – perhaps weekly – to maintain its shine and prevent discoloration.
It leans towards a warmer tone due to the brass body, but the overall character is fairly balanced and versatile, suitable for various musical styles.

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