Specification
Nominal Diameter
170 (6.5) mm (in)
8 Ohm
Nominal Impedance (1)
Minimum Impedence
Nominal Power Handling (2)
Continuous Power Handling (3)
Sensitivity (1W/1m) (4)
Frequency Range
5.8 Ohm
200 W
400 W
91.5 dB
70 - 6000 Hz
44 (1.7) mm (in)
Copper
Voice Coil Diameter
Winding Material
Former Material
Kapton
Winding Depth
Magnetic Gap Depth
Flux Density
12 (1/2) mm (in)
6 (1/4) mm (in)
1.25 T
Thiele & Small Parameters
Fs
Re
Qes
Qms
Qts
68 Hz
5.0 Ohm
0.35
9
0.34
Vas
Sd
7.5 (0.26) dm3 (ft3)
132 (20.5) cm2 (in2)
0.65 %
Eta Zero
Xmax
Xvar
Mms
Bl
6.0 mm
5.5 mm
17.8 g
10.3 Txm
Le
0.57 mH
Mounting and Shipping Info
Woofer
400 W continuous program power capacity
44 mm (1.7 in) copper voice coil
70 - 6000 Hz response
6NDL44
Overall Diameter
187 mm (7.4 in)
Bolt Circle Diameter
Baffle Cutout Diameter
Depth
Flange and Gasket Thickness
Net Weight
172 mm (6.7 in)
145 mm (5.7 in)
82 mm (3.2 in)
11 mm (0.4 in)
1.2 kg (2.6 lb)
91.5 dB sensitivity
Shipping Weight (4 units)
Shipping Box (4 units)
6.1 kg (13.4 lb)
405x225x210 mm
(15.9x8.8x8.3 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
4
Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.
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