New Dörfler & Jörka (D&J) research/page
I am very pleased to unveil the newest in my 2026 research: the analysis of the Dörfler & Jörka (D&J) data I published earlier this …
tenor sax
Olds Super Alto & Tenor Saxophones
Helen’s Intro 2026 My friend & colleague, Pete Hales, originally wrote this article on the Olds Super alto & tenor saxophones for his now-defunct, thesax.info, …
Keilwerth’s 100th Anniversary SX90R
Intro Keilwerth’s Description Model Designations Numbers Produced Features Necks Cases Info from JK Website Technical Specs Brochure Page Backstory Concept Considerations Process Timeline Videos P.S. …
Hohner President pages back & updated
I am very excited to announce that the Hohner President saxophone pages are back. I carefully reviewed all the material before publishing this section, and …
Hammerschmidt octave patent
Originally published in 2024. Updated March 2026 German patent application Background Summery Figure 1 Figure 2 Patent claims Photos of Hammerschmidt octave vents 1961 Hammerschmidt …
Keilwerth SX90R Shadow Tenor Review
Originially published Aug. 2024. Updated Feb. 2026 Intro Tone & Timbre Does material matter? Response Nope, not just advertising hype Feel Key Action All things …
Keilwerth SX90R Tenor Sax Review
Keilwerth Tenor Sax SX90R: Model JK3400-8-0 Country of origin: Germany Finish: Gold lacquer key and body finish Price: varies greatly depending on where you live, …
Beware: Fake Keilwerths made in China
Originally published in 2021. Updated in 2026. 2026 Update Info Definitions Consequences Fake Keilwerths Fake Shadow Tenor Compare & Contrast Necks Front Views Left Hand …