I think that the serial ranges may even overlap sometimes, as I have a Tone King with sheet metal keyguards that looks very much like a New King Series I, although it is firmly in the serial range that should be the plastic keyguard model. I think the best way you can figure out which horn you have is going to be first by general serial number range, and then (and almost as importantly) what is on the horn itself. Ok, so now that you’ve read that, I have seen some horns that don’t totally add up with the serial chart Pete has up, although it is a very good general guide. To get up to speed on Keilwerth New King/Tone King and their stencils, go to and give it a good read.

There is a picture of the New King and the Modell 3 I speak about in this article in the gallery. Keilwerth Saxophones are for performers who play with passion.I have recently become a big fan of early Keilwerths, around the serial 10xxx to 21xxx. With these exquisite features and world class benefits, these saxophones will put you in the company of the most elite artists of the world. Unlike other saxophones in which posts are soldered to body ribs, hence breaking up vibrations, Keilwerth Saxophones solder posts directly onto the body producing a clear alive sound. An extra wide bow and large bell flare give low notes a positive response, from pianissimo to forte, never before possible. These rolled tone holes extend pad life, give greater security against leaks and a much quieter key action. There is no finer saxophone available - period! Tone hole edge rings brazed onto the standard tone holes yield greater emission of sound. The SX90R alto and tenor saxophones are the perfect marriage of the vintage sound of the 1920's and 1930's to the craftmanship and technology of the New Millenium. Extra large genuine mother of pearl keys for the finger board, adjustable palm keys, G# lifting mechanism, adjustable thumb hook, exquisite engraving on the bell and bow, key clamps, and a Bullet Case are standard on each saxophone. At Keilwerth they have developed instruments for your voice. In classical, jazz, blues, or rock, the alto and tenor saxes emulate the human voice more than any other instrument.

SX90R Keilwerth Alto and Tenor Saxophones

Nickel Plated Body with Gold Lacquered Keysīlack Nickel Plated Body with Gold Lacquered Keys Superior intonation coupled with the above features make these sopranos the finest in the world. The SX90II with the interchangeable neckpipe provides the musician with the traditional sound of the straight neck and a darker, more mellow sound with the curved neck. Adjustable side keys for height and angle make playing in the upper register virtually effortless. The SX90II was created to enable the saxophonist to develop his or her own personal sound and style. The soprano sax has a unique sound in the saxophone family.

Sax soprano julius keilwerth