Visaton F 8 SC 8 Ohm, 3.3 Inch, Magnetically Shielded Full Range Speaker
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The F 8 SC is a magnetically shielded 8 cm full-range driver with a balanced response and a moisture-resistant cone, intended for compact multimedia speakers and equipment placed close to a television or monitor. This 8 Ω driver handles 20 W rated power and has 4.8 x 0.8 mm and 2.8 x 0.8 mm blade terminals.
Typical applications
- Multimedia systems
- Video monitoring screens
- TVs
- Computer terminals
Full specifications
| Rated power | 20 W |
|---|---|
| Maximum power | 30 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 80–15000 Hz |
| Mean sound pressure level | 82 dB (1 W/1 m) |
| Opening angle (-6 dB) | 180°/4000 Hz |
| Excursion limit | ±2.5 mm |
| Resonance frequency fs | 125 Hz |
| Magnetic induction | 0.8 T |
| Magnetic flux | 150 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 4.5 mm |
| Cut-out | 76 mm |
| Net weight | 0.25 kg |
| D.C. resistance Rdc | 7.9 Ω |
| Mechanical Q factor Qms | 2.94 |
| Electrical Q factor Qes | 1.29 |
| Total Q factor Qts | 0.9 |
| Equivalent volume Vas | 1.0 l |
| Effective piston area Sd | 30 cm² |
| Dynamically moved mass Mms | 2 g |
| Force factor Bxl | 2.2 Tm |
| Inductance of the voice coil L | 0.3 mH |
| Terminals | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
| Temperature range | –25 to 70 °C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow for a 76 mm panel opening and a 78.5 mm square frame with four fixing holes. Leave about 47 mm behind the panel for the shielded magnet assembly, terminals and wiring.
Use push-on connectors that fit the 4.8 x 0.8 mm positive and 2.8 x 0.8 mm negative blade terminals, observe polarity and use an amplifier suitable for the 8 Ω load.
A matching 8 cm protective grille is available as an accessory; check its fixing pattern against the frame before drilling.
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