可以捲動

			YCB-623S 刪除項目	YCB-623 刪除項目
規格	調性		C	C
	琴體		黃銅	黃銅
	揚聲口直徑		476mm (18.7”)	476mm (18.7”)
	管徑		19.0mm (0.748”) , V:19.5mm (0.768”)	19.0mm (0.748”) , V:19.5mm (0.768”)
	高度		920mm (36.22”)	920mm (36.22”)
	按鍵		4 front pistons + 1 rotary (4/3 tone, right-hand operation)	4 front pistons + 1 rotary (4/3 tone, right-hand operation)
	外觀		鍍銀	清漆
	吹嘴		BB-69D2	BB-69D2
	樂器軟袋		Included	Included