Tweeter à dôme Visaton G 20 SC 8OHM [1185] Avis/Critiques 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.
Nominal power handling with high pass 80 Watt (12 dB/Okt.; 3000 Hz) Peak power handling with high pass 140 Watt (12 dB/Okt.; 3000 Hz) Nominal impedance Z 8 Ohm Frequency response 1200 - 30000 Hz Mean sound pressure level 88 dB (1W/1m) Resonance frequency fs 1890 Hz Voice coil diameter 2 cm Height of winding 0,2 cm Cutout diameter 6,6 cm Net weight 0,388 kg D.C. resistance Rdc 4,8 Ohm Mechanical Q factor Qms 0,36 Electrical Q factor Qes 1,34 Total Q factor Qts 0,28 Effective piston area Sd 4 cm2 Dynamically moved mass Mms 0,15 g Inductance of the voice coil L 0,02 mH

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