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8NW51
Mid-Bass
400 W continuous program power capacity
50 mm (2 in) copper voice coil
Neodymium ring magnet assembly
Shorting copper cap for extended HF response
Ventilated voice coil gap for reduced power compression
70 – 3000 Hz response
96.5 dB sensitivity
Specification
Nominal Diameter
200 (8) mm (in)
Nominal Impedance (1)
Minimum Impedence
Nominal Power Handling (2)
Continuous Power Handling (3)
Sensitivity (1W/1m) (4)
Frequency Range
70 - 3000 Hz
Voice Coil Diameter
51 (2) mm (in)
Winding Material
Former Material
Winding Depth
18.5 (0.73) mm (in)
Magnetic Gap Depth
10 (0.4) mm (in)
Flux Density
Thiele & Small Parameters
Fs
Re
Qes
Qms
Qts
Vas
11 (0.4) dm3 (ft3)
Sd
220 (34.1) cm2 (in2)
Eta Zero
Xmax
Xvar
Mms
Bl
Le
Mounting and Shipping Info
Overall Diameter
225 mm (8.8 in)
Bolt Circle Diameter
210 mm (8.3 in)
Baffle Cutout Diameter
187 mm (7.4 in)
Depth
100 mm (4 in)
Flange and Gasket Thickness
11 mm (0.4 in)
Net Weight
Shipping Weight
3.4 kg (7.5 lb)
Shipping Box
300x160x180 mm
(11.8x6.3x7.1 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
8 Ohm
7.7 Ohm
200 W
400 W
96.5 dB
Copper
Glass Fibre
1.3 T
74 Hz
5.2 Ohm
0.19
2.7
0.17
2.4 %
+/- 6 mm
+/- 6 mm
28 g
18.9 Txm
0.4 mH
3 kg (6.6 lb)
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