Audio Dynamics 2308 d4

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150W – 400W optimal power range 2″ voice coil diameter Designed for use in small vented enclosures. Engineered in the USA. Fs 47.10 Hz Qms 7.49 Vas 5.47 l Cms 0.090 mm/N Mms 118.50 g Rms 4.72 kg/s Dia 159.99 mm Sd 201.08 cm² Qes 0.54 Re 4.11 Ω Le 1.63 mH Z 4.00 Ω Bl 16.20 Tm Bl²/Re 63.80 N²/W Qts 0.51 no 0.10 % SPL 82.15 dB EBP 85.69 Nominal Diameter 8 in Overall Diameter 8.39 in / 213 mm Mounting Hole Diameter 7.13 in / 181 mm Bolt Hole Circle Diameter Motor Outer Diameter 5.70 in / 145 mm Mounting Depth 4.92 in / 125 mm Required Pole Vent Clearance Driver Displacement 0.048 cu ft / 1.37 l Minimum Sealed Volume N/A Minimum Vented Volume 0.42 cu ft / 12 l net* Show more