michael chuaAugust 21, 2017HIFI DRIVERSMidwoofer, Silver Flute, Thiele&Small, W14RC Silver Flute W14RC25-08s (shielded version) Wool Cone 5-1/2″ Midwoofer Thiele / Small Parameters by LMS Delta Compliance 7L Response in 13L Ported Box ( F3=50Hz ) 2 units of WR14RC in 22L Ported Box ( F3=55Hz ) Response in 7L Sealed Box ( F3=85Hz )