Precision Devices PD.188

Specifications

• Nominal Diameter 460 mm / 18"
• Voice Coil Diameter 101 mm / 4.0"
• Nominal Impedance 8 Ω
• Power Rating 600 w (A.E.S.)
• Peak Power (6dB Crest Factor) 2400 w (A.E.S.)
• Sensitivity (1w / 1m) 97.5 dB
• Frequency Range 40 Hz - 3.5 kHz
• Recommended Enclosure Volume 100 - 350 Litres
• Resonance 36.22 Hz
• Voice Coil Winding Depth 19 mm / 0.75"
• Magnet Gap Depth 11 mm / 0.43"
• Flux Density Tesla 1.1 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 36.22 Hz
• Re 5.86 Ω
• Qms 13.04
• Qes 0.27
• Qts 0.26
• Le 1.55 mh
• L2 3.02 mh
• R2 7.92 Ω
• Vas 201.69 litres
• Mms 173.02 g
• Sd 1134.11 cm2
• Cms 111.5 µm/N
• BL 29.28 T/m
• Xmax 6 mm
• Vd 0.68 litres
• Ref. Efficiency 3.92%

Mounting and Shipping Information

• Overall Diameter 474 mm
• Width Across Flats 458 mm
• Flange Height 13 mm
• Depth (Excl. Flange) 174 mm
• Magnet Diameter 220 mm
• Chassis Shoulder Diameter 415 mm
• Outer Bolt Circle 6 * M8 on 456mm PCD
• Inner Bolt Circle N/A
• Nett Weight 14 Kg / 30.86 lb.
• Shipping Weight 15.25 Kg / 33.62 lb.

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