Art. No. 128120 cm (8") High-End woofer with stiff aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low mechanical and electrical losses due to vented pole plate, vented damper and capton voice coil carrier. Fast pulse response due to light weight aluminium cone. Suitable for 2- and 3-way high end combinations and as low-midrange driver in 4-way high end systems. Used in:
CASABLANCA MK IV
CLASSIC 200
CONCORDE MK II
VOX 200 [Extract from STEREO: Verdict: excellent]
Accessories:
KM 140
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waterfall spectrum
Frequency and impedance response - click.
| | Technical Data: |
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| Rated power | 120 Watt | | Maximum power | 180 Watt | | Nominal impedance | 8 Ohm | | Frequency response (-10 dB) | fu - 9000 Hz | | (fu: Lower cut-off frequency depending on cabinet) | . | | Mean sound pressure level | 88 dB (1W/1m) | | Maximum cone displacement | 20 mm | | Resonance frequency fs | 32 Hz | | Magnetic induction | 1,3 Tesla | | Magnetic flux | 930 µ Weber | | Height of front pole-plate | 6 mm | | Voice coil diameter | 3,8 cm | | Height of winding | 20 mm | | Cutout diameter | 19 cm | | Net weight | 2,5 kg | | D.C. resistance Rdc | 6,6 Ohm | | Mechanical Q factor Qms | 3,73 | | Electrical Q factor Qes | 0,39 | | Total Q factor Qts | 0,35 | | Equivalent volume Vas | 77 l | | Effective piston area Sd | 216 cm2 | | Dynamically moved mass Mms | 21 g | | Force factor Bxl | 8,82 T · m | | Inductance of the voice coil L | 1,2 mH |
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