Shires Q40 Compensating Euphonium: Brief Demonstration and Intonation Test Results.

The Shires Q41 is supposedly intended to appeal to Willson players, but this model, the Q40, is supposedly intended to appeal to Besson players. Indeed, it felt somewhat "Besson-like" to me!
The intonation test shown at the end of the video is also available on my website, along with tests from many other brands/models:
https://www.dwerden.com/Intonation/
The current list of brands include:
ACB Doubler , Adams E1, Adams E2, Adams E3, Adams Sonic (non-Comp), Besson Sovereign 967, Besson Sovereign 967-2, Besson Prestige 2051, Besson Prestige 2052-2, Besson New Standard, Eastman 426, Eastman 822, Eastman 826, Eastman 526, Gemeinhardt, Hirsbrunner, JP Sterling 374, Jupiter XO, Jupiter 1020, Kanstul, Lake City 415, Miraphone 1258, Miraphone 5050, Shires Q40, Shires Q41 , Sterling Virtuoso, Wessex Festivo (Prototype), Wessex Dolce Cantibile, Wessex Sinfonico, Willson Q90, Willson 2900, Willson 2960, Yamaha 321, Yamaha 641, Yamaha 642 NEO-II.