Specifications: • Nominal diameter: 12″ (305 mm) • Power rating: 30 watts • Sensitivity: 100 dB • Chassis type: Pressed steel • Voice coil diameter: 1.75″ (44.5 mm) • Voice coil material: Round copper • Magnet type: Ceramic • Frequency range: 75-5,000 Hz • Fs: 85 Hz • DC resistance.
Mounting Information: • Diameter: 12.2″ (309 mm) • Overall depth: 5.3″ (135 mm) • Magnet structure diameter: 6.1″ (156 mm) • Cut-out diameter: 11.1″ (283 mm) • Mounting slot dimensions: 0.31″ (7.9 mm Ø) • Number of mounting slots: 4 • Mounting slot PCD: 11.7″ (297 mm) • Weight: 10.4 lbs. (4.7 kg).