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Visaton Speaker Driver - TIW 200 XS - 8 Ohm High End Woofer
Art. No. 1340
Characteristics and Sound Properties
20 cm (8") High-end woofer specially for use as a small
subwoofer. The extra-wide elastic cone, 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 cone to vent the centering unit from behind) losses and flow noise are minimised.
The Kapton 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 rigid and low
in resonance. These design features result in high level accuracy and excellent low-range bass imaging even in smaller cabinets.
Technical Specifications
| Rated power | 120 W |
| Maximum power | 180 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-7500 Hz |
| Mean sound pressure level | 84 dB (1W/1m) |
| Opening angle (-6 dB) | 48°/4000 Hz |
| Excursion limit | ± 12.5 mm |
| Resonance frequency fs | 30 Hz |
| Magnetic induction | 1.1 T |
| Magnetic flux | 1050 uWb |
| Height of front pole-plate | 8 mm |
| Voice coil diameter | 38 mm |
| Height of winding | 30 mm |
| Cutout diameter | 190 mm |
| Net weight | 3.5 kg |
| DC resistance Rdc | 6.0 Ohm |
| Mechanical Q factor Qms | 5.19 |
| Electrical Q factor Qes | 0.50 |
| Total Q factor Qts | 0.46 |
| Equivalent volume Vas | 51.5 litres |
| Effective piston area Sd | 206 cm2 |
| Dynamically moved mass Mms | 33 grams |
| Force factor Bxl | 8.51 Tm |
| Inductance of the voice coil L | 1.6 mH |
| Connections | 4.8 x 0.8 mm (+) 2.8 x 0.8 mm (-) |
Recommended Cabinet Sizes
| Volume / Principle | BR Port | fb | fc / QTC |
| 20 litre / closed | - | - | 52 Hz / 0.77 |
| 30 litre / closed | - | - | 46 Hz / 0.68 |
| 20 litre / bass reflex | BR 19.24 | 39 Hz | - |
| 30 litre / bass reflex | BR 19.24 | 32 Hz | - |
| 50 litre / bass reflex | BR 25.50 | 31 Hz | - |
fc = System resonance (sealed box system)
QTC = The system's Q at resonance (fc)
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