2000 W continuous program power capacity 100 mm (4 in) copper voice coil 35 - 1000 Hz response 97 dB sensitivity Aluminium demodulating ring allows a very low distortion figure Double silicone spider w/optimized compliance Ventilated voice coil gap for reduced power compression Nominal Diameter 460 (18) mm (in) Nominal Impedance (1) 8 Ohm Minimum Impedence 6, 2 Ohm Nominal Power Handling (2) 1000 W Continuous Power Handling (3) 2000 W Sensitivity (1W/1m) (4) 97 dB Frequency Range 35 - 1000 Hz Voice Coil Diameter 100 (4) mm (in) Winding Material Copper Former Material Glass Fibre Winding Depth 25 (1) mm (in) Magnetic Gap Depth 12 (1/2) mm (in) Flux Density 1, 1 T Thiele & Small Parameters Fs 34 Hz Re 5, 1 Ohm Qes 0, 37 Qms 7, 2 Qts 0, 35 Vas 212 (7, 5) dm3 (ft3) Sd 1210 (187, 6) cm2 (in2) Eta Zero 2, 2 % Xmax +/- 9 mm Xvar +/- 11 mm Mms 209 g Bl 25, 5 Txm Le 1, 6 mH Mounting & Shipping Info Overall Diameter 460 mm (18 in) Bolt Circle Diameter 440 mm (17, 3 in) Baffle Cutout Diameter 422 mm (16, 6 in) Depth 209 mm (8, 2 in) Flange & Gasket Thickness 16 mm (5/8 in) Net Weight 13 kg (28, 6 lb) Shipping Weight 14, 4 kg (31, 7 lb) Shipping Box 500x500x250 mm; (19, 7x19, 7x9, 8 in) (1) For different impedances please ask, (2) 2 hours test made w/continuous pink noise signal (6 dB crest factor), Power calculated on rated minimum impedance, (3) Power on Continuous Program is defined as 3 dB greater than the Nominal rating, (4) Applied RMS Voltage is set to 2, 83V for 8 ohms Nominal Impedance, SKU: TBAL2352