The Altus AS917E, AS925E, AS919E, AS921E alto flute is the most popular model of the brand. Its solid 925‰ silver headjoint offers exceptional sound, combining the unique characteristics of silver and enhanced projection. Flutes in this series stand out for their rich sound and wide spectrum of harmonics.

Made in Japan, these Altus alto flutes feature a body and mechanism in silver-plated nickel silver, ensuring increased durability and resistance. The drawn tone holes and the special soldering of the C# tone hole contribute to better resonance and smoother response. The stainless steel springs ensure precise and reliable action.

The ALTUS Design mechanisms are designed to offer optimal comfort to musicians. Thanks to their ergonomics, they reduce finger spacing and allow for a natural and relaxed posture while playing.

Among the advantages of these Altus alto flutes are meticulous overall craftsmanship, guaranteeing excellent quality. The solid silver headjoint provides a real sound gain compared to the 800 series, offering a full and wide sound.

However, it is important to note that the reliability of these flutes can be improved, especially regarding the keywork which can weaken over time. Regular maintenance is recommended to ensure optimal reliability. Moreover, some musicians may find that these flutes lack sound identity, with a lack of liveliness overall and a less pronounced timbre in the lows.

Despite these points for review, the Altus AS917E, AS925E, AS919E, AS921E alto flutes remain quality instruments, appreciated by many musicians for their exceptional sound and meticulous craftsmanship.