Art. No. 902010 cm (4") HiFi low-midrange driver with coated paper cone, elastic rubber surround and temperature resistant 20 mm voice-coil. Suitable as woofer in mini-speaker systems and due to the very balanced frequency response especially suitable as low-midrange driver in 3-way speakers and in subwoofer/satellite systems. Used in:
ALTO GENESIS SUB [Extract from Audio: Value for money: very good, Extract from HiFi Test: Verdict: very good]
ALTO III C
CT DIPOL 100
CT MAIN 100
Accessories:
NG 4"
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Frequency and impedance response - click.
| | Technical Data: |
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| Rated power | 30 Watt | | Maximum power | 50 Watt | | Nominal impedance | 4 Ohm | | Frequency response (-10 dB) | fu - 15000 Hz | | (fu: Lower cut-off frequency depending on cabinet) | . | | Mean sound pressure level | 86 dB (1W/1m) | | Maximum cone displacement | 13 mm | | Resonance frequency fs | 66 Hz | | Magnetic induction | 1 Tesla | | Magnetic flux | 250 µ Weber | | Height of front pole-plate | 4 mm | | Voice coil diameter | 2 cm | | Height of winding | 0,8 cm | | Cutout diameter | 9,4 cm | | Net weight | 0,49 kg | | D.C. resistance Rdc | 3,3 Ohm | | Mechanical Q factor Qms | 2,45 | | Electrical Q factor Qes | 0,61 | | Total Q factor Qts | 0,49 | | Equivalent volume Vas | 5,5 l | | Effective piston area Sd | 53 cm2 | | Dynamically moved mass Mms | 4,2 g | | Force factor Bxl | 3,4 T · m | | Inductance of the voice coil L | 0,47 mH |
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| TI 100 8 OHM | W 100 S 8 OHM | | W 100 SC 4 OHM | W 100 SC 8 OHM |
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