These are my collection,,they are nice and work with MIDI............. Eletrix Filterfactory MAM Warp 9 AKAI MFC-42
Sherman FilterBank2 這一台聽說不錯,每一期keyboard雜誌裡都有廣告。還有一家叫moogmusic 的也有做pedal的filter,很多國外網站都有賣。Line6的 rack filter modeler看國外價錢變好低,現在可以買,可是我對Line6的沒啥信心.........