B&C Zvučnik 12CL64

B&C Zvučnik 12CL64 :

B&C 12CL64 12" 250W 8 Ohm Loudspeaker Driver

500 W continuous program power capacity
64 mm (2.5 in) copper voice coil
50 - 3000 Hz response
98 dB sensitivity

Specifications

Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 ohms
Minimum impedance 6.3 ohms
Nominal power handling 250 W
Continuous power handling 500 W
Sensitivity (1W/1m) 98.0 dB
Frequency range 50 - 3000 Hz
Voice coil diameter 64 mm (2.5 in)
Winding material Copper
Former material Glass Fibre
Winding depth 13 mm (0.51 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.15 T

Design

Surround shape Double Roll
Cone shape Exponential
Magnet material Neodymium Inside Slug
Spider Single
Pole design Straight Pole
Woofer cone treatment WP Waterproof Front Side
Recommended enclosure 40.0 dm3 (1.41 ft3)
Recommended tuning 64 Hz

Parameters

Fs 52 Hz
Re 5.5 ohms
Qes 0.32
Qms 4.3
Qts 0.3
Vas 64.0 dm3 (2.25 ft3)
Sd 522.0 cm2 (80.9 in2)
Reference efficiency 3.4 %
Xmax 4.5 mm
Xvar 6.0 mm
Mms 55 g
Bl 17.5 Txm
Le 1.1 mH
EBP 162 Hz

Mounting and Shipping Info

Overall diameter 313 mm (12.32 in)
Bolt circle diameter 299 mm (11.77 in)
Baffle cutout diameter 282.0 mm (11.1 in)
Depth 133 mm (5.24 in)
Flange and gasket thickness 9 mm (0.35 in)
Air volume occupied by driver 2.0 dm3 (0.07 ft3)
Net weight 1.9 kg (4.2 lb)
Shipping weight 2.4 kg (5.3 lb)
Shipping box 340x340x170 mm (13.4x13.4x6.7 in)