SF-12G405
12" Mid-Bass Speaker, 400 Watts
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12inch Mid-Bass speaker with a very wide frequency range
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Best choice for Line Array applications.
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3″ Inside-Outside winding Voice Coil with High Temperature rating for safe and reliable operation
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Excellent linearity, Good efficiency and High power handling
The SF-12G405 is a very high sensitivity (99dB 1W/1m) midbass driver with high power handling capabilities.
Ideal For: Heavy Power 2-way reflex enclosures ,horn loaded dedicated midrange driver, fixed installation concert and arena systems.(Line Array Applications)
3.0 inch
Voice Coil
99.0 dB
Sensitivity
400 Watts
Power
8 Ω
Impedance
Additional Info
General Specifications
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| Nominal Diameter | : 12.0 inches |
| Nominal Power Handling | : 400 Watts |
| Continous Power Handling | : 800 Watts |
| Voice Coil Size | : 3.0” / 75.5 mm |
| Winding Type | : Inside - Outside |
| Winding Material | : Copper |
| Chassis Material | : Diecast Aluminium |
| Cone Surround | : Triple Roll |
| Spider | : Single |
Technical Specifications
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| Nominal Impedance | : 8 Ω |
| Minimum Impedance | : 6.8 Ω |
| Frequency | : 50 Hz ~ 3 kHz |
| Magnet Size | : 190 * 90 * 20 mm |
| Magnet Type | : Ferrite |
| Magnet Grade | : Y35 |
| Sensitivity | : 99.0 dB |
| Flux Density | : 1.35 T |
Thiele - Small Parameters
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| Resonance Frequency (Fs) | : 54 Hz |
| DC Resistance (Re) | : 5.1 Ω |
| Electrical Factor | : 0.18 Qes |
| Mechanical Factor | : 3.8 Qms |
| Total Factor | : 0.18 Qts |
| Equivalent Cas Air Loaded (Vas) | : 45.0 dm³ (1.6 ft³) |
| Effective Piston Area (Sd) | : 522.0 cm² (80.9 in²) |
| Voice coil Inductance @ 1kHz (Le) | : 1.4 mH |
| Reference Effiiency (η₀) | : 3.7 % |
| Max. Linear Excursion (Xmax) | : ± 7.0 mm |
| Usable Escues (Xvar) | : ± 10.0 mm |
| Effective Moving Mass (Mms) | : 75.0 g |
| BI Factor (BI) | : 26.4 T x m |
| Efficiency Bandwidth Product (EBP) | : 300 Hz |
Dimensions & Mounting Information
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| Overall Diameter | : 315 mm (12.4 in) |
| Bolt Circle Diameter | : 298 mm (11.7 in) |
| Baffle Cut-Out Diameter | : 283 mm (11.1 in) |
| Depth | : 147 mm (5.79 in) |
| Flange & Gasket Thickness | : 12.0 mm (0.14 in) |
| Net Weight | : 8.5 kg |
| Shipping Weight | : 9.3 kg |
