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Technical specifications

Nominal impedance
8 Ohm
Power capacity
900 W AES
Nominal diameter
460 mm 18 in
Sensitivity
97 dB 1 W @ 1 m @ ZN
Minimum impedance
6.8 ohm
Frequency range
35-1500 Hz
Program power
1800 W
Recommended enclosure volume
80 / 200 l 2.8 / 7 ft³
Voice coil diameter
114 mm 4.5 in
BL factor
23.4 N/A
Moving mass
0.204 kg
Winding length
25 mm
Air gap height
12 mm
Xdamage pp
40 mm

Parameters Thiele & Small

Fs
33 Hz
Re
5.6 ohm
Qms
7
Qes
0.42
Qts
0.4
Vas
290 l
Cms
117 µm / N
Rms
6 kg / s
Efficiency %
2.25
Sd
0.1320 m²
Xmax
10 mm
Vd
1320 cm³
Le @1 kHz
1.8 mH

Construction details

Net weight
12.60 kg 27.78 lb
Total weight
14.50 kg 31.97 lb
Magnet
Ferrite
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