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Technical specifications
- Nominal Diameter: 320 mm (12 in)
- Overall Diameter: 315 mm
- Bolt Circle Diameter: 295 mm
- Baffle Cutout Diameter: 282 mm
- Overall Depth: 139 mm
- Flange/Gasket Thickness: 13.5 mm
- Impedance: 8 ohm
- Program Power: 400 W
- Power: 150 W
- Sensitivity: 93 dB
- Frequency Range: 25-2500 Hz
- Voice Coil Diameter: 50 mm (2 in)
- Voice Coil Former: Alluminio
- Voice Coil Depth: 18.5 mm
- Magnetic Gap Depth: 8 mm
- Ferrofluid: Gomma
- Recommended Enclosure: Bass
- Mounting Holes: 8
Thiele and small parameters
- Efficiency Bandwidth Product (EBP) - 73
- Resonance (Fs) - 27 Hz
- DC Resistance (Re) - 5.7 Ohm
- Mechanical Q (Qms) - 3.04
- Electrical Q (Qes) - 0.37
- Total Q (Qts) - 0.33
- Force Factor (BL) - 13.17 Tm
- Moving Mass - Diaphragm (Mmd) - 67 g
- Cas (Cas) - 205
- Dd (Dd) - 260
- Diaphragm Area (Sd) - 547 cm2
- Maximum Linear Excursion (Xmax) - 7.3 mm
- Voice Coil Inductance (Le) - 0.9 mH
- Reference Efficiency (Eta Zero) - 1.05 %
Shipping Information
- Net Weight: 4.9 kg
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Ciare HW321 12" Driver 150W 8 Ohm PDF data sheet (108 kb)
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