Keilwerth SX 90R Alto Sax Black

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Keilwerth SX 90R Alto Sax Black

Keilwerth

SX 90R Alto Sax Black

4.5 Expert Rating

Product Info

Article Number: 280528
Model: SX 90R Alto Sax Black
Price: $5,916.90

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

The Keilwerth SX 90R is a serious instrument—it delivers a remarkably responsive and powerful tone with incredible intonation. This is a top-tier choice for experienced players and professionals seeking a German-engineered alto with exceptional build quality and a dark, focused sound. It’s a workhorse that will serve you well for years to come.

Product Description

  • Keilwerth SX 90R Alto Saxophone Black
  • Alto Saxophone
  • Body: Black
  • nickel plated
  • Keys with gold lacquer
  • Mechanism: High-gloss polish and lacquer
  • Mother of pearl inlays
  • Adjustable thumb rest
  • Ø 133 mm bell
  • Rolled tone holes
  • Adjustable trill key
  • Leather pad with metal resonators
  • High F#-key
  • B/Bb rocker arm
  • C#/B rocker arm
  • Hydraulically formed neck
  • Weight 2.6 kg
  • Incl. case and mouthpiece
PROS
  • • Exceptional intonation across the entire range, a hallmark of Keilwerth.
  • • Hydraulically formed neck provides superb response and ease of playing.
  • • Rolled tone holes contribute to a focused, powerful, and complex tone.
  • • Robust nickel-plated body with gold-lacquered keys ensures long-term durability.
CONS
  • • The 2.6 kg weight can be fatiguing for extended playing sessions.
  • • The premium-priced nature limits accessibility for many aspiring saxophonists.
  • • The black finish, while aesthetically pleasing, may show fingerprints and smudges more readily.

Product Video

Key Features

Material Nickel-plated body, gold-lacquered keys, mother of pearl inlays
Keywork Adjustable thumb rest, hydraulically formed neck, adjustable trill key, B/Bb and C#/B rocker arms
Finish High-gloss polish and lacquer, black body finish
High F# Key Yes, included for extended upper range capabilities
Mouthpiece Not specified, requires separate purchase
Weight 2.6 kg

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Frequently Asked Questions

The Yamaha 62 is brighter and more focused, while the SX 90R offers a darker, richer, and more complex tonal palette with greater projection.
Yes, the black finish is softer than traditional lacquer and will require more careful handling and polishing to prevent scratches and maintain its appearance.
This sax is ideal for players needing a reliable, high-performance instrument for studio work, performance, or serious study; it excels in a variety of genres.

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