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Alpine SWR-1242D
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Number of votes: 0
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Workmanship
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Technical specs and characteristics
General characteristics
Type: subwoofer;
Size: 30 cm (12 in.);
The number of bands: 1;
Power: 500 W (nominal), 1500 watts (maximum);
Sensitivity: 87 dB;
Frequency range: 24 - 500 Hz;
Impedance: 4 Ohm;
Subwoofer
Housing: no;
Recommended housing: closed box, vented, Band (Band-pass);
WOOFER
Number of speakers: 1;
Dimensions: 300 mm;
Cone material: pulp and Kevlar;
Material suspension: Santoprene;
Magnet weight: 3091 g;
Mounting depth: 195 mm;
The installation hole: 275 mm;
Basket: cast;
Material basket: aluminium;
Resonance frequency (Fs): 29 Hz;
Full q (Qts): 0.47;
Equivalent volume (Vas): 45 l;
Type of winding: double;
Additionally
Terminals: spring;
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Brief specs
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