| Specification | 
Details | 
| Design | 
Three-way bass reflex | 
| Uni-Q Driver Array | 
HF: 25 mm (1 in.) aluminium dome with MAT, MF: 125 mm (5 in.) aluminium cone | 
| Bass Units | 
LF: 165 mm (6.5 in.) aluminium cone | 
| Frequency Range (Free Field, -6dB) | 
Short port: 40Hz - 45kHz, Long port: 37Hz - 45kHz | 
| Frequency Range (Typical In-Room Bass Response, -6dB) | 
30Hz | 
| Frequency Response (±3dB) | 
45Hz – 35kHz | 
| Crossover Frequency | 
450 Hz, 2.1 kHz | 
| Amplifier Requirements | 
50 - 200W | 
| Sensitivity (2.83V/1m) | 
85dB | 
| Harmonic Distortion (2nd & 3rd harmonics, 90dB, 1m) | 
<0.5% 40Hz – 100kHz, <0.2% 200Hz – 2kHz, <0.1% 2kHz - 20kHz | 
| Maximum Output (Peak SPL at 1m with pink noise) | 
111dB | 
| Impedance | 
4 Ω (min. 3.2 Ω) | 
| Weight | 
18.2 kg (40.1 lbs.) | 
| Dimensions (H x W x D) with Grille and Terminal | 
440 x 205 x 422 mm (17.3 x 8.1 x 16.6 in.) | 
| Dimensions (H x W x D) with Grille, Terminal & Plinth | 
N/A |