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 Ω, 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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