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12NW76
Woofer
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
1000 W continuous program power capacity
76 mm (3 in) copper voice coil
40 – 2000 Hz response
98.5 dB sensitivity
Neodymium ring magnet assembly
Aluminium demodulating ring allows a very low distortion figure
Ventilated voice coil gap for reduced power compression
Specification
Nominal Diameter 320 (12) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.9 Ohm
Nominal Power Handling (2) 500 W
Continuous Power Handling (3) 1000 W
Sensitivity (1W/1m) (4) 98.5 dB
Frequency Range 40 -2000 Hz
Voice Coil Diameter 76 (3) mm (in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 19 (3/4) mm (in)
Magnetic Gap Depth 11 (7/16) mm (in)
Flux Density 1.3 T
Thiele & Small Parameters
Fs 40 Hz
Re 5.3 Ohm
Qes 0.17
Qms 3.7
Qts 0.16
Vas 76 (2.7) dm3 (ft3)
Sd 522 (80.9) cm2 (in2)
Eta Zero 2.8 %
Xmax +/- 8 mm
Xvar +/- 10 mm
Mms 77 g
Bl 25.5 Txm
Le 1.25 mH
Mounting and Shipping Info
Overall Diameter 315 mm (12.4 in)
Bolt Circle Diameter 298 mm (11.7 in)
Baffle Cutout Diameter 283 mm (11.1 in)
Depth 147 mm (5.8 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Net Weight 4.9 kg (10.8 lb)
Shipping Weight 5.6 kg (12.3 lb)
Shipping Box 340x340x170 mm
(13.4x13.4x6.7 in)
1
For different impedances, please ask.
2
2 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3
Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4
Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance