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Visaton Speaker Driver - TIW 250 XS - 8 Ohm High End Woofer
Art. No. 1342
Visaton TIW250XS - 8 Ohm High End Woofer
Characteristics and Sound Properties
25 cm (10") high-end woofer. The extra-wide elastic surround, the long voice coil and particularly large magnet arrangement give this speaker extremely long excursion.
Thanks to the multiple venting of the voice coil (pole piece hole, holes in the pole piece plate, cutouts in the aluminium diecast basket to vent the spider from behind) losses and flow noise are minimised. The capton voice coil carrier and the long voice coil enable the driver to withstand considerable loads.
The diaphragm is a sandwich construction made up of layers of fibreglass and polyester fabric which makes it particularly and low in resonance. These design features result in high level-accuracy and excellent low-range bass imaging.
Technical Specifications
| Rated power | 200 W |
| Maximum power | 300 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-3000 Hz |
| Mean sound pressure level | 89 dB (1W/1m) |
| Excursion limit | ± 14 mm |
| Resonance frequency fs | 33 Hz |
| Magnetic induction | 1.3 T |
| Magnetic flux | 1600 µWb |
| Height of front pole-plate | 8 mm |
| Voice coil diameter | 50 mm |
| Height of winding | 25 mm |
| Cutout diameter | 235 mm |
| Net weight | 5.3 kg |
| DC resistance Rdc | 5.6 Ohm |
| Mechanical Q factor Qms | 5.21 |
| Electrical Q factor Qes | 0.35 |
| Total Q factor Qts | 0.33 |
| Equivalent volume Vas | 66 litres |
| Effective piston area Sd | 314 cm2 |
| Dynamically moved mass Mms | 49 grams |
| Force factor Bxl | 13 Tm |
| Inductance of the voice coil L | 1.7 mH |
Recommended Cabinet Sizes
| Volume / Principle | BR Port | fb | fc / QTC |
| 30 litre / closed | - | - | 59 Hz / 0.59 |
| 50 litre / closed | - | - | 50 Hz / 0.5 |
| 70 litre / closed | - | - | 46 Hz / 0.46 |
| 30 litre / bass reflex | BR 15.34 (length 13 cm) | 42 Hz | - |
| 50 litre / bass reflex | BR 15.34 (length 12 cm) | 36 Hz | - |
| 70 litre / bass reflex | BR 15.34 (length 9 cm) | 32 Hz | - |
fc = System resonance (sealed box system)
QTC = The system's Q at resonance (fc)
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
Waterfall Spectrum
Loudspeaker Waterfall Spectrum Chart
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