B&C Speakers 12PLB76 User Manual

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

12PLB76

Woofer

700 W continuous program power capacity

76 mm (3 in) aluminium voice coil

50 – 2000 Hz response

98.5 dB sensitivity

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

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

1

For different impedances, please ask.

2

2 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.

3

Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.

4

Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance

(13.4x13.4x6.7 in)