Design
Three-way bass reflex
Drive units
Uni-Q driver array:
HF: 25 mm (1 in.) aluminium dome with MAT
MF: 125 mm (5 in.) aluminium cone​

Bass units:
LF: 4 x 165 mm (6.5 in.) aluminium cone
Frequency range free field (-6dB)
Short port: 43Hz - 45kHz
Long port: 40Hz - 45kHz
Frequency range typical in room
bass response (-6dB)
33Hz
Frequency response (±3dB)
48Hz – 35kHz
Crossover frequency
450Hz, 2.1kHz
Amplifier requirements
50-400W
Sensitivity (2.83V/1m)
88dB
Harmonic distortion 2nd 3rd harmonics (90dB, 1m)
0.5% 40Hz – 100kHz
0.2% 200Hz – 2kHz
0.1% 2kHz - 20kHz
Maximum output (peak sound pressure level at 1m with pink noise)
116dB
Impedance
4 Ω (min. 3.2 Ω)
Weight
45.2 kg (99.6 lbs.)
Dimensions (H x W x D)(with grille and terminal)
205 x 1090 x 463 mm(8.1 x 42.9 x 18.2 in.)