B&C Zvučnik 12FW76

B&C 12FW76 12" 500W 8 Ohm Loudspeaker Driver

Specifications:

Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 ohms
Minimum impedance 6.8 ohms
Nominal power handling 500 W
Continuous power handling 1000 W
Sensitivity (1W/1m) 98.0 dB
Frequency range 55 - 3000 Hz
Voice coil diameter 76mm)
Winding material Copper
Former material Glass Fibre
Winding depth 19 mm
Magnetic gap depth 11 mm )
Flux density 1.35 T

Design:

Surround shape Triple Roll
Cone shape Exponential
Magnet material Ferrite
Spider Single
Pole design T-Pole
Woofer cone treatment WP Waterproof Front Side
Recommended enclosure 40.0 dm3 (1.4 ft3)
Recommended tuning 65 Hz

Parameters:

Fs 54 Hz
Re 5.1 ohms
Qes 0.18
Qms 3.8
Qts 0.18
Vas 45.0 dm3
Sd 522.0 cm2 (80.9 in2)
Reference efficiency 3.7 %
Xmax 7.0 mm
Xvar 10.0 mm
Mms 75 g
Bl 26.4 Txm
Le 1.4 mH
EBP 171 Hz

Mounting And Shipping Info:

Overall diameter 315 mm (12.4 in)
Bolt circle diameter 298 mm (11.7 in)
Baffle cutout diameter 283.0 mm (11.1 in)
Depth 147 mm
Flange and gasket thickness 12 mm
Air volume occupied by driver 3.0 dm3 (0.1 ft3)
Net weight 8.5kg
Shipping weight 9.2kg
Shipping box 340x340x170 mm
Service Kit RCK12FW768