Precision Devices PD.185N01

SPECIFICATIONS
Nominal Diameter 18" / 460 mm
Nominal Impedance 8 Ω
Available Impedance 4 /8 /16 Ω
Voice Coil Diameter 5.0" / 127 mm
Power Rating 1000 W (A.E.S.)
Peak Power (6dB Crest Factor) 4000 W (A.E.S.)
Sensitivity (1w / 1m) 98 dB
Frequency Range 35 Hz - 1 kHz
Recommended Enclosure Volume 90 - 220 Litres
Resonance 35.6 Hz
Voice Coil Winding Depth 28 mm / 1.10 "
Magnet Gap Depth 12 mm / 0.47 "
Flux Density 1.05 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 35.6 Hz
Re 5 Ω
Qms 21.47
Qes 0.39
Qts 0.39
Le 0.62 mH
L2 1.59 mH
R2 59.36 Ω
Vas 174.5 Litres
Mms 220.21 g
Sd 1164.16 cm²
Cms 0.09 mm/N
Bl 24.87 T/m
Xmax 12 mm
Xlim (+/-) 22 mm
Vd 1.397 Litres
Reference Efficiency 1.90 %
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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