[. . . ] [. . . ] : 98. 5dB/W (m) Music Power Cutoff Frequency : 30W : 2. 6kHz Recommended Cross-over Frequency : more than 5kHz Magnet (alnico)Weight : 113. 5g (0. 25 lb) Net Weight : 0. 34kg (0. 75 lb) ohm 64 32 16 8 4 200 500 1K 2K 5K 10K 20K 50K Configuration Example FE207 + SPA12 Dimensions & Mounting Information 4-ø4. 5 FE207 ø87 ø65 38. 5 Capacitor 1. 5µF SPA12 ø76 Attenuator R80B ø62. 5 49. 5 [. . . ] [. . . ]