B&C Speakers 12 PZ 32 User Manual

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B&C Speakers 12 PZ 32 User Manual

12 PZ 32 | Woofer

Long excursion 12" woofer with 800W power handling for subwoofer application. A special 3" copper voice coil using proprietary high temperature adhesives and an optimized magnet assembly guarantees superb LF dynamic range with a very low distortion. Due to the linear characteristics of the 12 PZ 32, exceptional results are obtained in horn loaded subwoofer applications.

Speakers HPL Coaxials HF Compression drivers Horns

Specifications

Nominal Diameter

320 mm (12 in)

Nominal Impedance

8 Ω

Minumum Impedance

7.8 Ω

Power Handling

 

(70 –700 Hz)

 

Nominal1

400 W

Continuous Program2

800 W

Sensitivity (1W/1m)3

95 dB

Frequency Range

40-2500 Hz

Voice Coil Diameter

76 mm (3 in)

Winding Material

Copper

Former Material

Glass Fibre

Winding Depth

22 mm (7/8 in)

Magnetic Gap Depth

10 mm (3/8 in)

Flux Density

1.1 T

Also available in 4 , data upon request

 

Thiele & Small Parameters4

Fs

38 Hz

Re

6.2 Ω

Qes

0.2

Qms

5.9

Qts

0.19

Vas

102 dm3 (3.6 ft3)

Sd

522 cm2 (80.9 in2)

η0

2.7%

X max

± 5.5 mm

X var

± 5.5 mm

Mms

64 g

Bl

21.7 T·m

Le

2.7 mH

Mounting and Shipping Information

Overall Diameter

316 mm (12.4 in)

Bolt Circle Diameter

296 mm (11.6 in)

Baffle Cutout Diameter

282 mm (11.1 in)

Depth

134 mm (5.3 in)

Flange and Gasket Thickness

16 mm (5/8 in)

Net Weight

7.6 kg (16.7 lb)

Shipping Weight

8.5 kg (18.7 lb)

Shipping Box

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 2500 Hz.

4 Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.

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