| 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: 35Hz - 45kHz, Long port: 32Hz - 45kHz | 
| Frequency Range (Typical in Room Bass Response -6dB) | 
25Hz | 
| Frequency Response (±3dB) | 
40Hz – 35kHz | 
| Crossover Frequency | 
450 Hz, 2.1 kHz | 
| Amplifier Requirements | 
50 - 400W | 
| Sensitivity (2.83V/1m) | 
88dB | 
| Harmonic Distortion (2nd & 3rd Harmonics at 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 | 
60.2 kg (132.7 lbs.) | 
| Dimensions (H x W x D) with Grille and Terminal | 
1350 x 205 x 462 mm (53.1 x 8.1 x 18.2 in.) | 
| Dimensions (H x W x D) with Grille, Terminal & Plinth | 
1402 x 323 x 467 mm (55.2 x 12.7 x 18.4 in.) |