Haut parleur 20 cm hifi Visaton WS 20 E 8 OHM
[WS 20 E-8] Avis/Critiques 20 cm (8") HiFi woofer with polypropylene cone. Due to balanced frequency response curve suitable for 2-way-applications up to 2000 Hz and as low-midrange driver for large 4-way speaker systems as well. Due to the special basket design suitable as replacement driver for many HiFi speakers.
Technical Data:
Rated power 80 W
Maximum power 120 W
Nominal impedance Z 8 Ohm
Frequency response fu–7000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 88 dB (1 W/1 m)
Maximum cone displacement 12 mm
Resonance frequency fs 47 Hz
Magnetic induction 0,85 T
Magnetic flux 400 µWb
Height of front pole-plate 5 mm
Voice coil diameter 30 mm
Height of winding 11 mm
Cutout diameter 186 mm
Net weight 1,3 kg
D.C. resistance Rdc 6,8 Ohm
Mechanical Q factor Qms 5,36
Electrical Q factor Qes 1,59
Total Q factor Qts 1,23
Equivalent volume Vas 44 l
Effective piston area Sd 240 cm²
Dynamically moved mass Mms 21 g
Force factor Bxl 5,5 T m
Inductance of the voice coil L 1,0 mH
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