![12NW76 Woofer](/images/new-backgrounds/23225/232251x1.webp)
12NW76 Woofer
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
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
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 |
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 |
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Mounting and Shipping Info | |
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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) |
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor). Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms Nominal Impedance