The 52JM is identical to the 52JU except that the matte finish with lacquer keys provides a unique look and warm tone. The Series II sopranino, soprano, alto, tenor, bass and baritone saxophones have been the professional choice for a generation and continue to be the most popular professional saxophone in the world. The reasons are clear: they all possess a flexible but centered tone that is natural in almost any playing situation.
Yellow brass body tubes and keys resonate across the entire timbre spectrum: full-ribbed construction enhances their durability.
Acoustics: Series II body style-full sound, Necks: Series II bore, Construction: full ribs, Body material: matte finish over yellow brass with clear lacquer keys , Mouthpiece: S-80 C*, Mechanism: compact key positioning - closer to the body and directly under the hand, Range: high F# key, Front F key: spatula, Left-hand thumb rest: plastic, Right-hand thumb rest: plastic adjustable, Adjusting screws: high F, G# key, F#/G# lug, F#/G#, adjusting bar, low C#, low B, side C, side Bb, Pivot screws: tapered, Needle springs: blued steel, Pads: treated leather with metal resonators.