BC Speakers Speaker 18 PS 46 User Manual

Specifications  
Nominal Diameter  
Nominal Impedance  
Minumum Impedance  
Power Handling  
460 mm (18 in)  
8 Ω  
6.2 Ω  
(40 –400 Hz)  
Nominal1  
700 W  
1400 W  
96.5 dB  
Continuous Program2  
Sensitivity (1W/1m)3  
Frequency Range  
Voice Coil Diameter  
Winding Material  
Former Material  
30-2000 Hz  
100 mm (4 in)  
Copper  
Glass Fibre  
21 mm (13/16 in)  
8 mm (9/16 in)  
1.1 T  
Winding Depth  
Magnetic Gap Depth  
Flux Density  
Also available in 4 , data upon request  
4
Thiele & Small Parameters  
Fs  
28 Hz  
Re  
5.3 Ω  
Qes  
Qms  
Qts  
Vas  
Sd  
η0  
0.33  
7.6  
0.31  
386 dm3 (13.6 ft3)  
1134 cm2 (175.8 in2)  
2.4%  
X max  
X Var  
Mms  
Bl  
6 mm  
5 mm  
153 g  
18 PS 46 | Woofer  
20.8 T·m  
2.4 mH  
Le  
Long excursion 18" woofer with 1400W power handling for subwoofer  
applications where reproduction of the lowest frequencies is mandatory.  
A special 4" voice coil using proprietary high temperature adhesives and  
an optimized magnet assembly guarantee robust LF output, low power  
compression and a very low distortion figure. A bass-reflex enclosure is  
recommended for best performance.  
Mounting and Shipping Information  
Overall Diameter  
Bolt Circle Diameter  
Baffle Cutout Diameter  
Depth  
Flange and Gasket Thickness  
Net Weight  
460 mm (18 in)  
440 mm (17.3 in)  
422 mm (16.6 in)  
191 mm (7.5 in)  
16 mm (5/8 in)  
10.3 kg (22.7 lb)  
12.1 kg (26.6 lb)  
520x520x240 mm  
(20.5x20.5x9.4 in)  
Shipping Weight  
Shipping Box  
1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the  
specified range. Power calculated on rated minimum impedance. Loudspeaker in  
free air.  
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.  
3 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. Average  
SPL from 200 to 2000Hz.  
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-  
ditioning test.  
 

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