WS 20 E 8 OHM Art. No. 1056 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.
sketch frequency- and impedance response	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) Opening angle (-6 dB) 67°/4000 Hz Excursion limit +/−6 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 Connections 5,2 x 0,8 mm (+) 2,8 x 0,8 mm (−) Similar Products AL 200 8 OHM GF 200 2 x 4 OHM TIW 200 XS 8 OHM W 200 4 OHM W 200 8 OHM W 200 S 4 OHM W 200 S 8 OHM WS 20 E 4 OHM
directivity pattern