Key of Eb: The alto saxophone is pitched in the key of E flat (Eb), allowing it to produce pitches one whole tone lower than a standard Bb clarinet.
Reed Type: Alto saxophones utilize a single reed similar to clarinets. The size and design of the alto saxophone reed contribute to its expressive sound quality.
Range: It has a relatively wide range, typically from Eb3 to G6, covering almost three octaves.
Body Material: Most alto saxophones are made of brass, although in rare cases, some manufacturers produce solid silver, nickel-plated, or lacquered models.
Tone: Compared to tenor and baritone saxophones, the alto's sound is often described as more flexible, bright, and articulate.
Ergonomics: Alto saxophones are generally regarded as being more comfortable to hold and play for extended periods thanks to their size and weight.
Mouthpiece: Alto saxophone mouthpieces come in various designs, influencing the timbre and tonality of the instrument. Choosing the right mouthpiece is crucial for the player's desired sound and musical goals.
Fingerings: The fingering system on an alto saxophone resembles that of other saxophones, making it somewhat easier to transition between different saxophone types for experienced players.