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​降B調短號

JP371SW

純銀吹口管，經Smith-Watkins所設計，具有1&3快速調音管按鍵(trigger)

調性: 降B調

號口: 123mm

金銅喇叭口, one piece手工打造

​吹口管尺寸: 11.9mm

樂器排水口: 2

表面處理: 烤漆/鍍銀

Key: Bb

Bell Size: 123mm (4.84")

Bore: Large 11.9mm (0.469")

Waterkeys: 2 (Lever)

Finish: Lacquer (JP371SW), Silverplate (JP371SWS)

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