8NW51
Mid-Bass
LF Drivers
LF Nd Drivers
Coaxials
HF Drivers
Horns
400 W continuous program power capacity
50 mm (2 in) copper voice coil
70 – 3000 Hz response
96.5 dB sensitivity
Neodymium ring magnet assembly
Shorting copper cap for extended HF response
Ventilated voice coil gap for reduced power compression
Specification
Nominal Diameter
200 (8) mm (in)
Nominal Impedance (1)
8 Ohm
Minimum Impedence
7.7 Ohm
Nominal Power Handling (2)
200 W
Continuous Power Handling (3)
400 W
Sensitivity (1W/1m) (4)
96.5 dB
Frequency Range
70 - 3000 Hz
Voice Coil Diameter
51 (2) mm (in)
Winding Material
Copper
Former Material
Glass Fibre
Winding Depth
18.5 (0.73) mm (in)
Magnetic Gap Depth
10 (0.4) mm (in)
Flux Density
1.3 T
Thiele & Small Parameters
Fs
74 Hz
Re
5.2 Ohm
Qes
0.19
Qms
2.7
Qts
0.17
Vas
11 (0.4) dm3 (ft3)
Sd
220 (34.1) cm2 (in2)
Eta Zero
2.4 %
Xmax
+/- 6 mm
Xvar
+/- 6 mm
Mms
28 g
Bl
18.9 Txm
Le
0.4 mH
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
3 kg (6.6 lb)
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
