B&C Zvučnik 12NDL88

B&C 12NDL88 12" 700W 8 Ohms Loudspeaker Driver (Faston)

Specifications

Nominal diameter 320 mm (12.0 in)
Nominal impedance 8 ohms
Minimum impedance 6.0 ohms
Nominal power handling1 700 W
Continuous power
handling2 1400 W
Sensitivity (1W/1m)3 98.0 dB
Frequency range 50 - 3000 Hz
Voice coil diameter 88 mm (3.5 in)
Winding material Aluminium
Former material Glass Fibre
Winding depth 21 mm (0.85 in)
Magnetic gap depth 10 mm (0.4 in)
Flux density 1.15 T

Design

Surround shape Triple Roll
Cone shape Exponential
Magnet material Neodymium Inside Slug
Spider Double Silicone
Pole design T-Pole
Woofer cone treatment WP Waterproof Front Side
Recommended enclosure 40.0 dm3 (1.41 ft3)
Recommended tuning 65 Hz

Parameters

Fs 51 Hz
Re 5.0 ohms
Qes 0.29
Qms 5.0
Qts 0.27
Vas 52.0 dm3 (1.84 ft3)
Sd 522.0 cm2 (80.9 in2)
Reference efficiency 2.3 %
Xmax 8.0 mm
Xvar 9.5 mm
Mms 71 g
Bl 19.9 Txm
Le 1.3 mH
EBP 175 Hz

Mounting And Shipping Info

Overall diameter 315 mm (12.4 in)
Bolt circle diameter 298 mm (11.73 in)
Baffle cutout diameter 282.0 mm (11.1 in)
Depth 150 mm (5.91 in)
Flange and gasket thickness 13 mm (0.51 in)
Air volume occupied by driver 2.5 dm3 (0.08 ft3)
Net weight 3.9 kg (8.6 lb)
Shipping units 1
Shipping weight 4.5 kg (9.92 lb)
Shipping box 340x340x170 mm (13.4x13.4x6.7 in)