Julius Keilwerth SX90R Professional Eb Alto Saxophone-Vintage Raw Brass

A Symphony of Power and Elegance: The Julius Keilwerth SX90R Professional Alto Saxophone

Crafted for the uncompromising soloist, the Julius Keilwerth SX90R (Model JK2400-8V-0) Eb Alto Saxophone defines the absolute pinnacle of modern woodwind design. Combining an exquisitely rich, solid tone with effortless mechanical fluidity, this premier instrument is meticulously handcrafted in Germany for elite jazz artists, classical virtuosos, and advancing conservatory players demanding an authoritative, deeply expressive sonic signature.

The visual and acoustic hallmark of this masterpiece is its remarkable Vintage Raw Brass execution. The select German brass body undergoes a proprietary factory-aging process, allowing a multi-faceted, organic patina to form naturally before being permanently preserved beneath a clear lacquer finish. This striking aesthetic is beautifully contrasted by a high-precision brushed nickel-silver key finish and inlaid with genuine mother-of-pearl key touches, resulting in an instrument that commands visual attention long before the first note is played.

Unrivaled Resonance & Acoustic Architecture

The legendary voice of the SX90R Alto is realized through an augmented wide bow and bell design. This expanded physical architecture broadens the internal acoustics, yielding a remarkably full and responsive lower register that handles subtones with absolute ease. Elevating its performance further are precision-drawn tone holes fitted with hand-soldered rings. These distinctive rolled tone holes maximize the pad-contact surface area, stabilizing the air column to create immediate tactile response, enhanced projection, and a significantly extended lifespan for the pads.

Bespoke Ergonomics & Fluid Mechanical Action

• Adjustable Palm Keys: Features a fully customizable upper key stack, allowing the performer to meticulously alter key height and angles to seamlessly match the unique anatomy of their hand.
• Proprietary G# Lever Mechanism: An innovative, integrated mechanical solution that prevents sticking keys caused by moisture buildup, ensuring instantly fluid, worry-free technical passages.
• Premium Italian Pad Architecture: Outfitted with top-tier Pisoni leather pads and heavy-gauge metal resonators to deliver an impenetrable airtight seal and instantaneous acoustic reflection.

Technical Specifications