BC Speakers Speaker 18 PZB 46 User Manual

Specifications  
Nominal Diameter  
Nominal Impedance  
Minumum Impedance  
Power Handling  
460 mm (18 in)  
8 Ω  
6.5 Ω  
(40 –400 Hz)  
Nominal1  
700 W  
1400 W  
97 dB  
Continuous Program2  
Sensitivity (1W/1m)3  
Frequency Range  
Voice Coil Diameter  
Winding Material  
Former Material  
40-2000 Hz  
100 mm (4 in)  
Copper  
Glass Fibre  
21 mm (13/16 in)  
8 mm (5/16 in)  
1.15 T  
Winding Depth  
Magnetic Gap Depth  
Flux Density  
Also available in 4 , data upon request  
4
Thiele & Small Parameters  
Fs  
Re  
37 Hz  
5.3 Ω  
Qes  
Qms  
Qts  
Vas  
0.39  
9.4  
0.37  
155 dm3 (5.5 ft3)  
Sd  
1134 cm2 (175.8 in2)  
3.2%  
η0  
X max  
X Var  
Mms  
Bl  
8 mm  
8 mm  
155 g  
18 PZB 46 | Woofer  
24.1 T·m  
2.6 mH  
Le  
Very long excursion 18” woofer with 1400W power handling for subwoofer  
application where excellent reproduction of the lowest frequencies is  
mandatory. A special 4" voice coil using proprietary high temperature  
adhesives and an optimized magnet assembly guarantee very good LF  
dynamic range, low power compression and a very low distortion figure. A  
double spider with optimized compliance ensures excellent mechanical  
stability even in the hardest working conditions.  
Mounting and Shipping Information  
Overall Diameter  
Bolt Circle Diameter  
Baffle Cutout Diameter  
Depth  
460 mm (18 in)  
440 mm (17.3 in)  
422 mm (16.6 in)  
198 mm (7.8 in)  
16 mm (5/8 in)  
Flange and Gasket Thickness  
Net Weight  
13 kg (28.6 lb)  
Shipping Weight  
Shipping Box  
14.8 kg (32.6 lb)  
520x520x240 mm  
(20.5x20.5x9.4 in)  
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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