B&C Speakers 12PLB76 User manual

12PLB76 Woofer
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
700 W continuous program power capacity
76 mm (3 in) aluminium voice coil
50 – 2000 Hz response
98.5 dB sensitivity
Specification
Nominal Diameter 320 (12) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.4 Ohm
Nominal Power Handling (2) 350 W
Continuous Power Handling (3) 700 W
Sensitivity (1W/1m) (4) 98.5 dB
Frequency Range 50 - 2000 Hz
Voice Coil Diameter 76 (3) mm (in)
Winding Material Aluminium
Former Material Glass Fibre
Winding Depth 16 (5/8) mm (in)
Magnetic Gap Depth 10.5 (0.4) mm (in)
Flux Density 1.05 T
Thiele & Small Parameters
Fs 50 Hz
Re 5.3 Ohm
Qes 0.24
Qms 5.2
Qts 0.23
Vas 75 (2.6) dm3 (ft3)
Sd 522 (80.9) cm2 (in2)
Eta Zero 3.8 %
Xmax +/- 5 mm
Xvar +/- 7 mm
Mms 51 g
Bl 18.6 Txm
Le 1.2 mH
Mounting and Shipping Info
Overall Diameter 316 mm (12.4 in)
Bolt Circle Diameter 296 mm (11.6 in)
Baffle Cutout Diameter 282 mm (11.1 in)
Depth 136 mm (5.35 in)
Flange and Gasket Thickness 16 mm (5/8 in)
Net Weight 7.4 kg (16.4 lb)
Shipping Weight 8.2 kg (18 lb)
Shipping Box 340x340x170 mm
(13.4x13.4x6.7 in)
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance