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Visaton Speaker Driver - W 100 S - 8 Ohm HiFi Low-Midrange Driver
Art. No. 9021
Characteristics and Sound Properties
10 cm (4") HiFi low-midrange driver with coated paper cone,
elastic rubber surround and 20 mm voice-coil. Suitable as woofer in mini-speaker systems and due to the very balanced frequency
response especially suitable as low-midrange driver in 3-way speakers and in subwoofer/satellite systems.
Technical Specifications
| Rated power | 30 W |
| Maximum power | 50 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-15000 Hz |
| Mean sound pressure level | 86 dB (1W/1m) |
| Opening angle (-6 dB) | 86°/4000 Hz |
| Excursion limit | ± 4 mm |
| Resonance frequency fs | 63 Hz |
| Magnetic induction | 1 T |
| Magnetic flux | 250 uWb |
| Height of front pole-plate | 4 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 8 mm |
| Cutout diameter | 94 mm |
| Net weight | 0.49 kg |
| DC resistance Rdc | 6.7 Ohm |
| Mechanical Q factor Qms | 2.74 |
| Electrical Q factor Qes | 0.67 |
| Total Q factor Qts | 0.54 |
| Equivalent volume Vas | 5.41 litres |
| Effective piston area Sd | 53 cm2 |
| Dynamically moved mass Mms | 4.7 grams |
| Force factor Bxl | 4.29 Tm |
| Inductance of the voice coil L | 0.9 mH |
| Connections | 4.8 x 0.8 mm (+) 2.8 x 0.8 mm (-) |
Recommended Cabinet Sizes
| Volume / Principle | BR Port | fb | fc / QTC |
| 4 litre / closed | - | - | 96 Hz / 0.82 |
| 5 litre / bass reflex | BR 6.8 (length 6 cm) | 70 Hz | - |
| 10 litre / bass reflex | BR 6.8 (length 5 cm) | 56 Hz | - |
fc = System resonance (sealed box system)
QTC = The system's Q at resonance (fc)
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