BG-M Baritone, Phosphor Bronze Medium(价格:86) 张力:中等 规格: .015, .019, .030W, .044, .056, .080 BG-L Baritone, Phosphor Bronze – Light(价格:86) 张力:光 规格: .014, .018, .028W, .040, .050, .070 BG-12 12-String Baritone, Phosphor Bronze(价格:137) 张力:光 规格: .014, .018, .028W, .040, .050, .070