250 AMX Woofer
High efficiency 10" woofer, 2.5" aluminium voice coil. Smooth response up to 2.5 kHz and 500 W power handling makes this speaker ideal for compact
Speakers HPL Coaxials HF Compression drivers Horns
Specifications
Nominal Diameter | 250 mm (10 in) |
Nominal Impedance | 8 Ω |
Minumum Impedance | 6 Ω |
Power Handling |
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(70 |
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Nominal1 | 250 W |
Continuous Program2 | 500 W |
Sensitivity (1W/1m)3 | 98 dB |
Frequency Range | |
Voice Coil Diameter | 65 mm (2.5 in) |
Winding Material | Aluminium |
Former Material | Glass Fibre |
Winding Depth | 12 mm (1/2 in) |
Magnetic Gap Depth | 8 mm (5/16 in) |
Flux Density | 1.2 T |
Also available in 4 Ω, data upon request |
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Thiele & Small Parameters4
Fs | 66 Hz |
Re | 5.3 Ω |
Qes | 0.3 |
Qms | 5.3 |
Qts | 0.28 |
Vas | 30 dm3 (1.1 ft3) |
Sd | 320 cm2 (49.1 in2) |
η0 | 2.8% |
X max | ± 2.4 mm |
X var | ± 5 mm |
Mms | 28 g |
Bl | 14.2 T·m |
Le | 1.2 mH |
Mounting and Shipping Information
Overall Diameter | 260 mm (10.2 in) |
Bolt Circle Diameter | 244 mm (9.6 in) |
Baffle Cutout Diameter | 228 mm (8.8 in) |
Depth | 105 mm (4.1 in) |
Flange and Gasket Thickness | 17 mm (2/3 in) |
Net Weight (1 unit) | 4.9 kg (10.8 lb) |
Shipping Weight (2 units) | 10.4 kg (22.9 lb) |
Shipping Box (2 units) | 280x280x260 mm |
| (11x11x10.2 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 3000 Hz.
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