B&C Speakers 18PS76 - Manual

18PS76 Subwoofer
LF Drivers
LF Nd Drivers
Coaxials
HF Drivers
Horns
1200 W continuous program power capacity
76 mm (3 in) copper voice coil
40 – 2000 Hz response
99 dB sensitivity
Double silicone spider with optimized compliance
Specification
Nominal Diameter 460 (18) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.5 Ohm
Nominal Power Handling (2) 600 W
Continuous Power Handling (3) 1200 W
Sensitivity (1W/1m) (4) 99 dB
Frequency Range 40 - 2000 Hz
Voice Coil Diameter 76 (3) mm (in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 23.5 (0.92) mm (in)
Magnetic Gap Depth 10.5 (0.4) mm (in)
Flux Density 1.25 T
Thiele & Small Parameters
Fs 39 Hz
Re 5.3 Ohm
Qes 0.29
Qms 6.1
Qts 0.27
Vas 207 (7.2) dm3 (ft3)
Sd 1210 (187.6) cm2 (in2)
Eta Zero 4 %
Xmax +/- 7 mm
Xvar +/- 8 mm
Mms 149 g
Bl 25.8 Txm
Le 1.9 mH
Mounting and Shipping Info
Overall Diameter 460 mm (18 in)
Bolt Circle Diameter 440 mm (17.3 in)
Baffle Cutout Diameter 422 mm (16.6 in)
Depth 202 mm (7.95 in)
Flange and Gasket Thickness 16 mm (5/8 in)
Net Weight 10.7 kg (23.5 lb)
Shipping Weight 12.2 kg (26.8 lb)
Shipping Box 500x500x250 mm
(19.7x19.7x9.8 in)
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