Challenger SD-650 - user opinions

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Challenger SD-650

Summary: Type: component; Standard size: 16 sm (6 in.); Number of bands: 2; Rated power: 45 W; Maximum: 120 W; Minimum: 72 Hz; Maximum: 20 000 Hz; Sensitivity: 86 dB; Nominal impedance: 4 ohm; External: yes; Turning: no; HF Woofer Cone material: silk; Dimensions: 165 mm; LF Woofer Cone material: polypropylene; Mounting Depth: 53 mm; Doub ...


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