Specifications
- Nominal diameter: 460 mm (18 in)
- Nominal impedance: 8 Ω; minimum: 6.3 Ωc
- Nominal power: 700 W; Program (continuous) power: 1400 Wc
- Sensitivity: 95.5 dB
- Frequency range: 30–1000 Hz
- Voice coil: 100 mm copper; former: glass fibre; winding depth: 21 mm
- Magnetic gap depth: 10.5 mm; Flux density: 1.05 T
- Cone treatment: TWP waterproof both sides; surround: triple roll; magnet: ferrite; spider: double silicone; pole design: T‑Pole
- Thiele-Small parameters: Fs = 30 Hz; Re = 5.3 Ω; Qes = 0.41; Qms = 4.6; Qts = 0.39; Vas = 245 L; Sd = 1210 cm²; η₀ = 1.6 %; Xmax = 8 mm; Bl = 22.5 Tm; Le = 2.1 mH; EBP = 73 Hz
- Recommended enclosure volume: 250 dm³ (8.83 ft³); tuning: 29 Hz
- Dimensions: OD = 460 mm; Bolt circle = 440 mm; Cutout = 422 mm; Depth = 197 mm; Flange = 16 mm
- Air volume: 9.5 dm³; Net weight: 10.2 kg; Shipping weight: 11.8 kg