12 PH 32 Woofer
High efficiency 12" woofer using a 2.5" aluminium voice coil. Smooth, extended frequency response and very good LF performance in compact
Speakers HPL Coaxials HF Compression drivers Horns
Specifications
Nominal Diameter | 320 mm (12 in) |
Nominal Impedance | 8 Ω |
Minumum Impedance | 6.5 Ω |
Power Handling |
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(60 |
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Nominal1 | 250 W |
Continuous Program2 | 500 W |
Sensitivity (1W/1m)3 | 99.5 dB |
Frequency Range | |
Voice Coil Diameter | 65 mm (2.5 in) |
Winding Material | Aluminium |
Former Material | Glass Fibre |
Winding Depth | 12.5 mm (1/2 in) |
Magnetic Gap Depth | 9 mm (11/32 in) |
Flux Density | 1.2 T |
Also available in 4 Ω, data upon request |
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Thiele & Small Parameters4
Fs | 42 Hz |
Re | 5.8 Ω |
Qes | 0.3 |
Qms | 4.3 |
Qts | 0.28 |
Vas | 155 dm3 (5.47 ft3) |
Sd | 522 cm2 (80.9 in2) |
η0 | 3.8% |
X max | ± 3 mm |
X var | ± 4.5 mm |
Mms | 35 g |
Bl | 13.3 T·m |
Le | 1.3 mH |
Mounting and Shipping Information
Overall Diameter | 316 mm (12.4 in) |
Bolt Circle Diameter | 296 mm (11.6 in) |
Baffle Cutout Diameter | 282 mm (11.1 in) |
Depth | 142 mm (5.6 in) |
Flange and Gasket Thickness | 16 mm (5/8 in) |
Net Weight | 5 kg (11 lb) |
Shipping Weight | 5.9 kg (13 lb) |
Shipping Box | 380x380x170 mm |
| (15x15x6.7 in) |
12 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range. Power calculated on rated minimum impedance. Loudspeaker in free air.
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating. 3 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. Average SPL from 200 to 4000 Hz.
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