Precision Devices PD.185NOO2 Sub Bass Driver Speaker Komponen 18 inch 1000 Watt Made in England

Neodymium magnet assembly.
Vented chassis with forced air cooling vented voice coil gap.
Aluminium demodulation ring.
Dual suspension assembly.
5" High temperature copper voice coil.
Triple roll surround straight cone geometry.
For sub bass applications in bass reflex / horn loaded enclosures.

SPECIFICATIONS
Nominal Diameter 18" / 457.2 mm
Nominal Impedance 8
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) 97.5 dB
Frequency Range 30 Hz - 300 Hz
Recommended Enclosure Volume 110 - 200 Litres
Voice Coil Winding Depth 1.14" / 29.00 mm
Magnet Gap Depth 13.50 mm / 0.53"
Flux Density 1.20 Tesla
Magnet Material Neodymium
Magnet Weight N/A
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Paper
Suspension Material Poly Cotton
Cone Surround Material Fabric
THIELE SMALL PARAMETERS
Fs 36 Hz
Re 5.4
Qms 3.100
Qes 0.329
Qts 0.300
Le @1k 3.070 mH
Le @10k 1.330 mH
Vas 226 Litres
Mms 173.00 g
Sd 1163 cm2
Cms 117.60 m/N
BL 25.00 T/m
Xmax 11.5 mm
Vd 1.360 Litres
Reference Efficiency 2.85 %
EBP 109.42 Hz
MOUNTING AND SHIPPING INFORMATION
Overall Diameter 473.60 mm
Width Across Flats 458.73 mm
Flange Height 14.50 mm
Depth 174.00 mm
Magnet Diameter 180 mm
Chassis Shoulder Diameter 414.38 mm
Outer Bolt Circle x6 M8 on 456 mm PCD