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Speakers

HPL

Coaxials     HF Compression drivers      Horns

Specifications

Nominal Diameter

460 mm (18 in)

Nominal Impedance

Minumum Impedance

6.5 

Power Handling
(40 –400 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

8 mm (5/16 in)

Flux Density

1.15 T

Also available in 4 

, data upon request

Thiele & Small Parameters

4

Fs

37 Hz

Re

5.3 

Qes

0.39

Qms

9.4

Qts

0.37

Vas

155 dm

3

(5.5 ft

3

Sd

1134 cm

2

(175.8 in

2

)

η

0

3.2%

X max

± 8 mm

X Var

± 8 mm

Mms

155 g

Bl

24.1 T·m

Le

2.6 mH

Mounting and Shipping Information 

Overall Diameter

460 mm (18 in)

Bolt Circle Diameter

440 mm (17.3 in)

Baffle Cutout Diameter

422 mm (16.6 in)

Depth

198 mm (7.8 in)

Flange and Gasket Thickness

16 mm (5/8 in)

Net Weight  

13 kg (28.6 lb) 

Shipping Weight 

14.8 kg (32.6 lb)

Shipping Box  

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.

18 PZB 46 

|

Woofer

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.

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