BC Speakers Speaker 12 PH 32 User Manual

Specifications  
Nominal Diameter  
Nominal Impedance  
Minumum Impedance  
Power Handling  
320 mm (12 in)  
8 Ω  
6.5 Ω  
(60 –600 Hz)  
Nominal1  
250 W  
500 W  
99.5 dB  
Continuous Program2  
Sensitivity (1W/1m)3  
Frequency Range  
Voice Coil Diameter  
Winding Material  
Former Material  
45-4000 Hz  
65 mm (2.5 in)  
Aluminium  
Glass Fibre  
12.5 mm (1/2 in)  
9 mm (11/32 in)  
1.2 T  
Winding Depth  
Magnetic Gap Depth  
Flux Density  
Also available in 4 , data upon request  
4
Thiele & Small Parameters  
Fs  
Re  
42 Hz  
5.8 Ω  
Qes  
Qms  
Qts  
Vas  
Sd  
0.3  
4.3  
0.28  
155 dm3 (5.47 ft3)  
522 cm2 (80.9 in2)  
3.8%  
η0  
X max  
X var  
Mms  
Bl  
3 mm  
4.5 mm  
35 g  
12 PH 32 | Woofer  
13.3 T·m  
1.3 mH  
Le  
High efficiency 12" woofer using a 2.5" aluminium voice coil.  
Smooth, extended frequency response and very good LF  
performance in compact bass-reflex enclosures makes it an  
optimal choice for a two-way system.  
Mounting and Shipping Information  
Overall Diameter  
Bolt Circle Diameter  
Baffle Cutout Diameter  
Depth  
Flange and Gasket Thickness  
Net Weight  
316 mm (12.4 in)  
296 mm (11.6 in)  
282 mm (11.1 in)  
142 mm (5.6 in)  
16 mm (5/8 in)  
5 kg (11 lb)  
Shipping Weight  
Shipping Box  
5.9 kg (13 lb)  
380x380x170 mm  
(15x15x6.7 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 4000 Hz.  
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-  
ditioning test.  
 

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