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Visaton Speaker Driver - G 20 SC - 8 Ohm High-End Dome Tweeter
Art. No. 1185
Visaton G20SC - 8 Ohm Magnetically Shielded High End Textile Dome Speaker
Characteristics and Sound Properties
Magnetically shielded 20 mm (0.8") High-end textile dome unit for use at tweeter frequencies of 3,000 Hz and above. The optimised dome shape and damping felt on the pole piece ensures a very balanced frequency response without resonance and excellent omnidirectional sound distribution. The powerful magnet drive and ferro-fluid cooled voice coil guarantee both high efficiency and excellent power handling capabilities.
Technical Specifications
| Rated power | 80 W (12 dB/Oct.; 2000 Hz) 120 W (12 dB/Oct.; 4000 Hz) |
| Peak power handling with high pass | 140 W (12 dB/Oct.; 2000 Hz) 180 W (12 dB/Oct.; 4000 Hz) |
| Nominal impedance Z | 8 Ohm |
| Frequency response | 1200–30000 Hz |
| Mean sound pressure level | 88 dB (1W/1m) |
| Opening angle (-6 dB) | 180°/8000 Hz |
| Resonance frequency fs | 1890 Hz |
| Magnetic induction | 1.3 T |
| Magnetic flux | 200 uWb |
| Height of front pole-plate | 2.5 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 2 mm |
| Cutout diameter | 66 mm |
| Net weight | 0.39 kg |
| DC resistance Rdc | 4.8 Ohm |
| Mechanical Q factor Qms | 0.36 |
| Electrical Q factor Qes | 1.34 |
| Total Q factor Qts | 0.28 |
| Dynamically moved mass Mms | 0.15 grams |
| Effective piston area Sd | 4 cm² |
| Inductance of the voice coil L | 0.02 mH |
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
Directivity Pattern
Loudspeaker Directivity Pattern (on and off axis response)
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