Visaton SC 8 N 8 Ohm, 3.3 Inch, Magnetically Shielded Full Range Speaker
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The SC 8 N is a magnetically shielded 8 cm full-range driver with a cellulose cone, an inverted rubber surround and a very balanced frequency response. Paired with the shielded SC 5 tweeter it forms a compact two-way system for multimedia, centre and screen-side speakers. This 8 Ω driver handles 30 W rated power.
Typical applications
- Surround centre speakers
- Multimedia systems
- Video monitoring screens
- TVs
- Computer terminals
Full specifications
| Rated power | 30 W |
|---|---|
| Maximum power | 50 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 70–20000 Hz |
| Mean sound pressure level | 81 dB (1 W/1 m) |
| Opening angle (-6 dB) | 150°/4000 Hz |
| Excursion limit | ±3 mm |
| Resonance frequency fs | 110 Hz |
| Magnetic induction | 0.9 T |
| Magnetic flux | 170 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 4 mm |
| Cut-out | 73 mm |
| Net weight | 0.28 kg |
| D.C. resistance Rdc | 7.0 Ω |
| Mechanical Q factor Qms | 3.68 |
| Electrical Q factor Qes | 1.31 |
| Total Q factor Qts | 0.97 |
| Equivalent volume Vas | 1.5 l |
| Effective piston area Sd | 26 cm² |
| Dynamically moved mass Mms | 1.9 g |
| Force factor Bxl | 2.4 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 73 mm panel opening and a 77.5 mm square frame with four fixing holes. Leave about 48 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.
In a two-way system, add a suitable crossover for the tweeter and keep the cabinet sealed around the frame to avoid leaks and rattles.
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