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Specifications
Nominal diameter 320 mm (12.0 in)Nominal impedance 8 ohmsMinimum impedance 6.2 ohmsNominal power handling 400 WContinuous power handling 800 WSensitivity (1W/1m) 100.0 dBFrequency range 50 – 2000 HzVoice coil diameter 76 mm (3.0 in)Winding material AluminiumFormer material Glass FibreWinding depth 19 mm (0.75 in)Magnetic gap depth 10 mm (0.4 in)Flux density 1.25 T
Design
Surround shape Double RollCone shape ExponentialMagnet material Neodymium Inside SlugSpider SinglePole design Straight PoleWoofer cone treatment WP Waterproof Front SideRecommended enclosure 42.0 dm3 (1.48 ft3)Recommended tuning 65 Hz
Parameters
Fs 50 HzRe 5.3 ohmsQes 0.21Qms 4.2Qts 0.2Vas 73.0 dm3 (2.5 ft3)Sd 522.0 cm2 (80.9 in2)Reference efficiency 4.3 %Xmax 6.5 mmXvar 6.5 mmMms 53 gBl 20.1 TxmLe 1.0 mHEBP 238 Hz
Mounting and Shipping Info
Overall diameter 315 mm (12.4 in)Bolt circle diameter 298 mm (11.7 in)Baffle cutout diameter 283.0 mm (11.1 in)Depth 141 mm (5.5 in)Flange and gasket thickness 14 mm (0.55 in)Air volume occupied by driver 2.5 dm3 (0.08 ft3)Net weight 3.9 kg (8.6 lb)Shipping units 1Shipping weight 4.5 kg (9.9 lb)Shipping box 340x340x170 mm (13.4×13.4×6.7 in)
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Category: Musical Instruments:Pro Audio Equipment:Speaker Drivers and Horns
Location: lincolnshire