Precision Devices PD.156

Specifications:
 

• Nominal Diameter 15"
• Voice Coil Diameter 115 mm / 4.5"
• Nominal Impedance 8 Ohms
• Power Rating 650 Watts (AES)
• Sensitivity (1w / 1m) 96 dB
• Frequency Range 50 Hz - 1.5 kHz
• Recommended Enclosure Volume 90-280 Litres
• Displacement Limit (peak-peak) 22 mm (0.88')
• Resonance 50.25 Hz
• Voice Coil Copper
• Voice Coil Winding Depth 21 mm (0.84')
• Magnet Gap Depth 9 mm (0.36')
• Magnet Material Ceramic
• Magnet Weight 3.25 Kg (115 oz.)
• Flux Density 1.5 T
• Dust Dome Material Paper
• Suspension Material Dual Fabric
• Cone / Surround Material Paper/Fabric

Thiele Small Parameters:
 

• Fs 50.25 Hz
• Re 5.69 Ohms
• Qts 0.47
• Qms 7.45
• Qes 0.5
• Vas 94.3 Litres
• Mms 124.55 g
• Sd 907.62 cm sq
• Cms 80.83 microns/N
• BL 20.98 T/m
• Xmax 8.1 mm
• Vd 0.648 Litres
• Reference Efficiency 3.63 %

Mounting & Shipping Information:
 

• Overall Diameter 410 mm
• Width Across Flats 395 mm
• Flange Height 10 mm
• Depth (Excl. Flange) 143 mm
• Magnet Diameter 220 mm
• Chassis Shoulder Diameter 357 mm
• Outer Bolt Circle 6 * M6 on 395mm PCD
• Inner Bolt Circle 8 * M6 on 370mm PCD
• Nett Weight 13.25 Kg / 29.21 lb.
• Shipping Weight 14.25 Kg / 31.42 lb.

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