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Alpine SWR-1221D specifications.
Car speakers Specs << Alpine << Alpine SWR-1221D| Specification | | | Reviews |
General characteristics Alpine SWR-1221D
Type:
subwoofer
The number of bands:
1
Power:
300 W (nominal), 1000 watts (maximum)
Frequency range:
24 - 2000 Hz
Subwoofer Alpine SWR-1221D
Housing:
no
Additionally Alpine SWR-1221D
Additional information:
Resistance 2x2 Ohms. Long-excursion (1") of the corrugation SantopreneT. Cone reinforced with Kevlar pulp. Centring washers NormexT (new design). Conclusions from foil, centering puck. Heat Sink panel. Durable brass frame of the coil. Reinforced false conclusions size 8 Ga. Computer optimization of the magnetic circuit.
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Type: subwoofer; The number of bands: 1; Power: 200 W (nominal), 600 watts (maximum); Sensitivity: 89 dB; Frequency range: 26 - 1000 Hz; Housing: no; Additional information: Impedance 4 Ohm. Eq...
Type: subwoofer; The number of bands: 1; Power: 200 W (nominal), 600 watts (maximum); Sensitivity: 87 dB; Frequency range: 32 - 1000 Hz; Housing: no; Additional information: Cone of cellulose, ...