B&C HF Driver DE 7 Specifications*
Throat diameter 19 mm (0.75 in)
Nominal impedance 8 Ω
Minimum impedance 6.6 Ω
Nominal power handling2 10 W
Continuous power handling3 20 W
Sensitivity (1W/1m)4 109.0 dB
Frequency range 2 - 18 kHz
Recommended crossover5 2.5 kHz
Voice coil diameter 25 mm (1.0 in)
Winding material Aluminium
Inductance 0.1 mH
Diaphragm material Mylar
Flux density 1.65 T
Magnet material Neodymium Ring
Mounting And Shipping Info
Two M4 holes 180° on 53 mm (2.1 in) diameter
Overall diameter 62 mm (2.44 in)
Depth 35 mm (1.37 in)
Net weight 0.17 kg (0.37 lb)
Shipping units 12
Shipping weight 2.3 kg (5.1 lb)
Shipping box 220x220x150 mm
(8.7x8.7x5.9 in)
Service Kit
Replacement diaphragm MMDDE78
*Driver mounted on B&C ME 7 horn
