FR 10 - 4 Ohm
Art. No. 2020
10 cm (4") fullrange speaker with good bass reproduction, balanced frequency response and high efficiency. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers.
Typical applications
- Network column speakers
- Ceiling-mounted speakers in railway carriages an busses
- Built-in car hi-fi speakers
- Electronic musical instruments
Technical Data
| Rated power | 30 W |
|---|---|
| Maximum power | 50 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 80–20000 Hz |
| Mean sound pressure level | 86 dB (1 W/1 m) |
|---|---|
| Opening angle (-6 dB) | 113°/4000 Hz |
| Excursion limit | +/−4 mm |
| Resonance frequency fs | 90 Hz |
| Magnetic induction | 0,95 T |
| Magnetic flux | 180 µWb |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 6 mm |
| Cutout diameter | 100 mm |
| Net weight | 0,38 kg |
| D.C. resistance Rdc | 3,2 Ohm |
| Mechanical Q factor Qms | 2,29 |
| Electrical Q factor Qes | 0,7 |
| Total Q factor Qts | 0,54 |
| Equivalent volume Vas | 2,3 l |
| Effective piston area Sd | 50 cm² |
| Dynamically moved mass Mms | 5,7 g |
| Force factor Bxl | 4,6 T m |
| Inductance of the voice coil L | 0,2 mH |
| Connections | 5,2 x 0,5 mm (+) 2,8 x 0,5 mm (−) |
| Temperature range | −25 ... 70 °C |
Show all data
sketch
frequency- and impedance response
directivity pattern
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