SC 4.7 ND - 4 Ohm
Art. No. 8047
Magnetically shielded 4 x 7 cm (1.6" x 2.8") fullrange driver with good efficiency and balanced frequency response with a clear highrange reproduction. Extremely small size due to a neodymium magnet system. Applicable as built-in speaker in TV's and PC's with very small mounting space.
Typical applications
- Video monitoring screens
- TVs
- Control speaker for electronic devices
Attributes
- Moisturised cone
- Metal basket
- Magnetically shielded
Technical Data
| Rated power | 2 W |
|---|---|
| Maximum power | 4 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 220–20000 Hz |
| Mean sound pressure level | 81 dB (1 W/1 m) |
|---|---|
| Opening angle (-6 dB) | 180°/4000 Hz hor. 180°/4000 Hz ver. |
| Excursion limit | +/−0,5 mm |
| Resonance frequency fs | 360 Hz |
| Magnetic induction | 0,7 T |
| Magnetic flux | 60 µWb |
| Height of front pole-plate | 2 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 2 mm |
| Cutout diameter | 35 x 65 mm (oval) |
| Net weight | 0,041 kg |
| D.C. resistance Rdc | 3,6 Ohm |
| Mechanical Q factor Qms | 5,42 |
| Electrical Q factor Qes | 5,81 |
| Total Q factor Qts | 2,8 |
| Equivalent volume Vas | 0,18 l |
| Effective piston area Sd | 16 cm² |
| Dynamically moved mass Mms | 0,6 g |
| Force factor Bxl | 0,9 Tm |
| Inductance of the voice coil L | 0,2 mH |
| Connections | 4,8 x 0,5 mm (+) 2,8 x 0,5 mm (−) |
| Temperature range | −25 ... 70 °C |
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