B&C Speakers 15 PZB 40 - Manual

Speakers
HPL
Coaxials HF Compression drivers Horns
Specifications
Nominal Diameter 380 mm (15 in)
Nominal Impedance 8 Ω
Minumum Impedance 6.6 Ω
Power Handling
(50 –500 Hz)
Nominal
1 700 W
Continuous Program 2 1400 W
Sensitivity (1W/1m) 3 97 dB
Frequency Range 40-2000 Hz
Voice Coil Diameter 100 mm (4 in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 21 mm (13/16 in)
Magnetic Gap Depth 9 mm (19/32 in)
Flux Density 1.15 T
Also available in 4 Ω, data upon request
Thiele & Small Parameters 4
Fs 39 Hz
Re 5.3 Ω
Qes 0.3
Qms 7.4
Qts 0.29
Vas 112 dm 3 (4 ft 3 )
Sd 855 cm 2 (132.5 in 2 )
η
0 2.9%
X max ± 8 mm
X var ± 6.5 mm
Mms 123 g
Bl 24.3 T·m
Le 2.4 mH
Mounting and Shipping Information
Overall Diameter 394 mm (15.5 in)
Bolt Circle Diameter 374 mm (14.6 in)
Baffle Cutout Diameter 355 mm (13.9 in)
Depth 171 mm (6.7 in)
Flange and Gasket Thickness 16 mm (5/8 in)
Net Weight 12.5 kg (27.5 lb)
Shipping Weight 13.8 kg (30.4 lb)
Shipping Box 450x450x200 mm
(17.7x17.7x8 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.
15 PZB 40 |
Woofer
Very long excursion 15" woofer with 1400W power handling for
subwoofer application. A special 4" voice coil using proprietary high
temperature adhesives and an optimized magnet assembly
guarantee a superb LF dynamic range with a very low distortion
figure. A double spider with optimized compliance ensures excellent
mechanical stability even in the hardest working conditions.