B&C Speakers Woofer 12HPL64 Specifications

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