[. . . ] [. . . ] : 95dB/W (m) Rated Input : 33W Music Power : 65W Equivalent Diaghram Radius : 65mm (2. 56 in) Equivalent Mass : Magnet Weight (main) : (cancel) Net Weight : Fs : Re : Qts : Qms Qes Vas Xmax no : : : : : 7. 1g (0. 015 lb) 240. 1g (0. 53 lb) 121. 8g (0. 27 lb) 1. 32kg (2. 91 lb) 50Hz 7. 2 ohm 0. 33 4. 53 0. 36 30. 2 L 0. 6mm (0. 024 in) 1. 01% Frequency Response / Impedance 110 100 90 80 70 60 50 (dB) 20 Hz 50 100 200 500 1000 60º 30º Impedance ohm 64 32 16 8 4 2000 5000 10000 20000 Dimensions & Mounting Information R87 4-ø5 ø143. 6 ø91. 5 Red ø157. 8 3 ø160 166 46. 3 3. 3 85 [. . . ] [. . . ]