描述

扁四键双排圆号
型号：LDF978
调别：F/Bb
外观：镀金/镀镍
材质：黄铜管体,
白铜变音管
镍白铜活塞管
结构：连体/分体
尺寸: 管径11.89mm
喇叭口径305mm
Flat four-button single row horn
Model:LDF978
Key: F/Bb
Finish: Gold plated / nickel plated
Material: Brass body,
Copper-copper color change tube
Nickel-nickel-copper-piston tube
structureSiamese/split
Size: Bore size 11.89mm
 Bell Diameter 305mm