Precision Devices PD.186/2 18" Woofer

Precision Devices  PD.186/2   18" Woofer  NEW! AUTHORIZED DISTRIBUTOR!

BRAND NEW, UNOPENED

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      SPECIFICATIONS Nominal Diameter 460 mm / 18" Voice Coil Diameter 127 mm / 5.0" Nominal Impedance 8 Ω Available In 4 Ω/ 8 Ω/ 16 Ω Power Rating 700 w (A.E.S.) Peak Power (6dB Crest Factor) 2800 w (A.E.S.) Sensitivity (1w / 1m) 95 dB Frequency Range 30 Hz - 2 kHz Recommended Enclosure Volume 100 - 350 Litres Resonance 34.18 Hz Voice Coil Winding Depth 25 mm / 0.98" Magnet Gap Depth 9 mm / 0.35" Flux Density Tesla 0.95 Tesla Magnet Material Ceramic Voice Coil Material Copper Former Material Glass Fibre Dust Dome Material Paper Suspension Material Dual Fabric Cone Surround Material Paper / Fabric THIELE SMALL PARAMETERS Fs 34.18 Hz Re 6.19 Ω Qms 10.77 Qes 0.55 Qts 0.52 Le 1.95 mh L2 3.06 mh R2 8.07 Ω Vas 192.15 litres Mms 203.93 g Sd 1134.11 cm2 Cms 106.67 µm/N BL 22.18 T/m Xmax 10.5 mm Vd 1.2 litres Ref. Efficiency 2.05% MOUNTING AND SHIPPING INFORMATION Overall Diameter 474 mm Width Across Flats 459 mm Flange Height 14.5 mm Depth (Excl. Flange) 173 mm Magnet Diameter 220 mm Chassis Shoulder Diameter 414.5 mm Outer Bolt Circle 6 * M8 on 455mm PCD Inner Bolt Circle N/A Nett Weight 14.9 Kg / 32.85 lb. Shipping Weight 16.4 Kg / 36.16 lb.

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