YSL-871/872 Alto Trombones
| YSL-871 | YSL-872 | ||
|---|---|---|---|
| Level | Professional Alto | Custom Alto | |
| Key of | Eb | Eb | |
| Bore | S: 0.470" – 0.490" Dual Bore | .470" – .490" Dual Bore | |
| Bell Diameter | 7 1/8" | 7 1/8" | |
| Shank | Small | Small | |
| Leadpipe | Gold Brass; Fixed | Gold Brass; Fixed | |
| Body Material | Yellow Brass | Yellow Brass | |
| Bell Material | Yellow Brass; One-piece; Hand Hammered | Yellow Brass; One-piece; Hand Hammered | |
| Weight | Standard | Standard | |
| Finish | Clear Lacquer | Clear Lacquer | |
| Inner Slide | Chrome-plated nickel silver; Drawn | Chrome-plated Nickel Silver; Drawn | |
| Outer Slide | Nickel-silver; One-piece | Yellow Brass | |
| Mouthpiece | Mouthpiece | 48A | |
| Pistons/Rotors | N/A | Half step trill rotor | |
