Specifications
Nominal Diameter
Nominal Impedance
Minumum Impedance
Power Handling
(40 –400 Hz)
460 mm (18 in)
8 Ω
6.1 Ω
Nominal1
1000 W
2000 W
97 dB
Continuous Program2
Sensitivity (1W/1m)3
Frequency Range
Voice Coil Diameter
Winding Material
Former Material
Winding Depth
30-1500 Hz
100 mm (4 in)
Copper
Glass Fibre
25 mm (1 in)
12 mm (.47 in)
1.1 T
Magnetic Gap Depth
Flux Density
Also available in 4 Ω, data upon request
4
Thiele & Small Parameters
Fs
Re
34 Hz
5.2 Ω
Qes
Qms
Qts
Vas
0.33
5.3
0.31
227 dm3 (8.0 ft3)
Sd
1210 cm2 (187.6 in2)
2.5 %
η0
X max
X Var
Mms
Bl
9 mm
11 mm
18 TBX 46 | Speakers
201 g
25.8 T·m
2.0 mH
The most powerful 18" in our product range, 2000 W continuous program
power handling, defines the "state of the art" about LF reproduction. A
four inch copper wire voice coil with very high thermal capability and a
ventilated magnet assembly allows a low power compression. A very low
distortion figure is obtained using a double spider design and dual
demodulation rings in the magnetic path. Proprietary water-proof cone
treatment for safe use in adverse climatic conditions.
Le
Mounting and Shipping Information
Overall Diameter
Bolt Circle Diameter
Baffle Cutout Diameter
Depth
Flange and Gasket Thickness
Net weight
Shipping Weight
460 mm (18 in)
440 mm (17.3 in)
422 mm (16.6 in)
188 mm (7.4 in)
16 mm (5/8 in)
13 kg (28.6 lb)
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 1200Hz.
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-
ditioning test.
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