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Precision Devices PD.155NR1

The PD.155NR1 is intended as a dedicated woofer in bass reflex and horn loaded designs. The unit is also capable as a high power upper bass driver in multiway systems. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 5-inch high temperature copper voice coil capable of handling 900W (AES) the PD.155NR1 exhibits an average sensitivity of 97dB across its working band.

Nominal Diameter 15" / 381 mm
Nominal 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) 98.5 dB
Frequency Range 45 Hz - 2 kHz
Recommended Enclosure Volume 75 - 200 Litres
Voice Coil Winding Depth 1.20" / 30.50 mm
Magnet Gap Depth 13.00 mm / 0.51"
Flux Density 1.18 Tesla
Magnet Material Neodymium
Magnet Weight N/A
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Solid Paper
Suspension Material Poly Cotton
Cone Surround Material Paper / M Roll Poly Cotton