Specification
Nominal Diameter
320 (12) mm (in)
8 Ohm
Nominal Impedance (1)
Minimum Impedence
Nominal Power Handling (2)
Continuous Power Handling (3)
Sensitivity (1W/1m) (4)
Frequency Range
Voice Coil Diameter
Winding Material
Former Material
6.5 Ohm
200 W
400 W
100 dB
50 - 4000 Hz
64 (2.5) mm (in)
Aluminium
Glass Fibre
12.5 (1/2) mm (in)
8 (5/16) mm (in)
1.25 T
Winding Depth
Magnetic Gap Depth
Flux Density
Thiele & Small Parameters
Fs
Re
Qes
Qms
Qts
Vas
52 Hz
5.8 Ohm
0.35
3.3
0.32
85 (3) dm3 (ft3)
Sd
522 (80.9) cm2 (in2)
3.3 %
Eta Zero
Xmax
Xvar
Mms
Bl
+/- 4 mm
+/- 4.5 mm
41.5 g
14.9 Txm
1.1 mH
Le
Mounting and Shipping Info
Woofer
400 W continuous program power capacity
64 mm (2.5 in) aluminium voice coil
50 – 4000 Hz response
12HPL64
Overall Diameter
Bolt Circle Diameter
Baffle Cutout Diameter
Depth
315 mm (12.4 in)
296 mm (11.6 in)
282 mm (11.1 in)
144 mm (5.7 in)
12.5 mm (0.5 in)
2.1 kg (4.6 lb)
Flange and Gasket Thickness
Net Weight
100 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Shipping Weight
Shipping Box
2.8 kg (6.2 lb)
380x380x170 mm
(15x15x6.7 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.
Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
3
4
Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance
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