Precision Devices PD.185N02

Specifications

• Nominal Diameter 18" / 460 mm
• Nominal Impedance 8 Ω
• Voice Coil Diameter 127 mm / 5.0"
• Power Rating 1100 (A.E.S.)
• Peak Power (6dB Crest Factor) 4400 W (A.E.S.)
• Sensitivity (1w / 1m) 98 dB
• Frequency Range 35 Hz - 1 kHz
• Recommended Enclosure Volume 90 - 220 Litres
• Resonance 35.24 Hz
• Voice Coil Winding Depth 28 mm / 1.10 "
• Magnet Gap Depth 12 mm / 0.47 "
• Flux Density 1.18 Tesla
• Magnet Material Neodymium
• Voice Coil Material Copper
• Former Material Glass Fibre
• Dust Dome Material Paper
• Suspension Material Fabric
• Cone Surround Material Paper / Fabric

Thiele Small Parameters

• Fs 35.24 Hz
• Re 4.7 Ω
• Qms 22.06
• Qes 0.25
• Qts 0.24
• Le 0.57 mH
• L2 1.5 mH
• R2 60.87 Ω
• Vas 178.281 Litres
• Mms 219.92 g
• Sd 1164.16
• Cms 0.09 mm/N
• Bl 30.55 T/m
• Xmax 12 mm
• Xlim (+/-) 45 mm
• Vd 1.397 Litres
• Reference Efficiency 3.03 %

Mounting and Shipping Information

• Overall Diameter 474 mm
• Width Across Flat 459 mm
• Flange Height 14.5 mm
• Depth 185 mm
• Magnet Diameter 166 mm
• Chassis Shoulder Diameter 414.5 mm
• Outer Bolt Circle 6x M8 on 455 mm PCD
• Inner Bolt Circle N/A
• Nett Weight 11.5 Kg / 25.35 lb
• Shipping Weight 12.9 Kg / 28.44 lb

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