Visaton SC 5.9 8 Ohm, 2 x 3.5 Inch, Full Range Oval Speaker
Product photo · Enlarge image
Product photo
Dimension drawing
Response and impedance
Directivity pattern — vertical
Directivity pattern — horizontal
Product photographs and manufacturer drawings. Images are not to scale.
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The SC 5.9 fits speech and music reproduction into a narrow oval frame. Its shielded magnet and 10 W rated power make it useful for multimedia speakers, computer terminals and compatible replacement TV installations. The 8 Ω version has an 84 dB sensitivity and a 43 × 82 mm oval cut-out.
Typical applications
- Multimedia speakers
- Compatible TV replacement
- Computer terminals
Full specifications
| Rated power | 10 W |
|---|---|
| Maximum power | 15 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 130–20000 Hz |
| Mean sound pressure level | 84 dB (1 W/1 m) |
| Opening angle (-6 dB) | 180°/4000 Hz horizontal; 131°/4000 Hz vertical |
| Excursion limit | ±1.5 mm |
| Resonance frequency fs | 193 Hz |
| Magnetic induction | 0.9 T |
| Magnetic flux | 120 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 4 mm |
| Cut-out | 43 x 82 mm (oval) |
| Net weight | 0.214 kg |
| D.C. resistance Rdc | 7.0 Ω |
| Mechanical Q factor Qms | 7.52 |
| Electrical Q factor Qes | 1.5 |
| Total Q factor Qts | 1.25 |
| Equivalent volume Vas | 0.4 l |
| Effective piston area Sd | 26.5 cm² |
| Dynamically moved mass Mms | 1.5 g |
| Force factor Bxl | 2.5 Tm |
| Inductance of the voice coil L | 0.4 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 43 × 82 mm oval opening and 50.5 × 90.5 mm frame. Check fixing positions, rear clearance and terminal access against the equipment being repaired. Confirm the original speaker impedance before choosing a replacement.
Mount on a rigid panel with a continuous seal around the frame to prevent air leaks and rattles. Keep the cone and surround clear of the grille and internal parts.
Use an amplifier suitable for the 8 Ω load and follow the polarity marks. Check blade width and thickness before choosing connectors, insulate the connections and secure the wiring clear of the moving parts.
Use this impedance version’s enclosure parameters when developing a cabinet, and test the response at the intended listening level. Allow for the volume occupied by the driver and keep damping material clear of the cone and terminals.
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