LEAN AUDIO No.1 for PA Loudspeakers, Guitar Speakers, Bass Guitar Speakers & HI FI speakers

PRECISION DEVICES PD.18BR40 18” 700 WATT Loudspeaker 8ohm

£212.23

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PRECISION DEVICES PD.18BR40 18” 700 WATT Loudspeaker

> Heavy-duty cast aluminium chassis for increased rigidity.
> A smooth extended mid range to allow easy crossover integration.
> Suitable for bass reflex designs.

SPECIFICATIONS
Nominal Diameter460 mm / 18"
Voice Coil Diameter101 mm / 4.0"
Nominal Impedance8 Ω
Available In8 Ω
Power Rating700 w (A.E.S.)
Peak Power (6dB Crest Factor)2800 w (A.E.S.)
Sensitivity (1w / 1m)97 dB
Frequency Range35 Hz - 3 kHz
Recommended Enclosure Volume100 - 350 Litres
Resonance30.03 Hz
Voice Coil Winding Depth25 mm / 0.98"
Magnet Gap Depth9 mm / 0.35"
Flux Density Tesla1.34 Tesla
Magnet MaterialCeramic
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone Surround MaterialPaper / Fabric
THIELE SMALL PARAMETERS
Fs 30.03 Hz
Re 5.11 Ω
Qms10.21
Qes0.33
Qts0.32
Le 1.03 mh
L2 2.21 mh
R2 4.58 Ω
Vas 308.99 litres
Mms 164.2 g
Sd 1134.11 cm2
Cms 171 µm/N
BL22.03 T/m
Xmax10.5 mm
Vd1.19 litres
Ref. Efficiency2.24%
MOUNTING AND SHIPPING INFORMATION
Overall Diameter474 mm
Width Across Flats458 mm
Flange Height13 mm
Depth (Excl. Flange)175 mm
Magnet Diameter220 mm
Chassis Shoulder Diameter415 mm
Outer Bolt Circle6 * M8 on 456mm PCD
Inner Bolt CircleN/A
Nett Weight14.2 Kg / 31.31 lb.
Shipping Weight15.6 Kg / 34.39 lb.



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