1. ED T M WE 6 16 5cm Midwoofer No of Drivers 1 Mechanical Parameters Fs 89 Hz Qms 11 9 Vas 4 92 liters Cms 0 21 mm N Mms 14 80 g Xmax 6 mm Xmech 12 mm P Dia 129 5 mm Sd 131 6 sq cm Electrical Parameters Qes 0 61 Re 3 8 ohms Le 0 78 mH Z 77 ohms BL 7 18 Tm Electromech Parameters Qts 0 58 no 0 55 1 W SPL 89 dB Due to continuing improvment the features and the specification are subject to change without notice