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Visaton Speaker Driver - W 250 S - 4 Ohm HiFi Woofer
Art. No. 9034
Visaton W250S - 4 Ohm HiFi Woofer
Characteristics and Sound Properties
25 cm (10") HiFi woofer with strong drive, extended rear pole plate and 38 mm voice-coil for high power handling. Elastic rubber surround, coated paper cone and magnet vent.
Technical Specifications
| Rated power | 100 W |
| Maximum power | 150 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-5500 Hz |
| Mean sound pressure level | 90 dB (1W/1m) |
| Excursion limit | ± 7 mm |
| Resonance frequency fs | 33 Hz |
| Magnetic induction | 1.0 T |
| Magnetic flux | 835 µWb |
| Height of front pole-plate | 7 mm |
| Voice coil diameter | 38 mm |
| Height of winding | 17 mm |
| Cutout diameter | 233 mm |
| Net weight | 3 kg |
| DC resistance Rdc | 3.6 Ohm |
| Mechanical Q factor Qms | 2.01 |
| Electrical Q factor Qes | 0.43 |
| Total Q factor Qts | 0.35 |
| Equivalent volume Vas | 135 litres |
| Effective piston area Sd | 346 cm2 |
| Dynamically moved mass Mms | 32 grams |
| Force factor Bxl | 8.9 Tm |
| Inductance of the voice coil L | 0.9 mH |
Recommended Cabinet Sizes
| Volume / Principle | BR Port | fb |
| 50 litre / bass reflex | 2x BR 15.34 | 43 Hz |
| 70 litre / bass reflex | 2x BR 15.34 1x BR 25.50 (length 7 cm) |
39 Hz |
| 100 litre / bass reflex | 2x BR 15.34 (length 10 cm) | 38 Hz |
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
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