W 130 S 8 OHM Art. No. 9023 13 cm (5") HiFi low-midrange driver with coated paper cone, elastic rubber surround and 25 mm voice-coil. Suitable as woofer and due to the very balanced frequency response also as low-midrange driver especially in large 3-way speaker systems. Recommended cabinets: Volume/Principle BR-Channel fb fc/QTC 7 l/closed  -  - 86 Hz/0,75 20 l/bass reflex BR 6.8 (length 4 cm) 44 Hz  - 30 l/bass reflex BR 19.24 (length 12 cm) 39 Hz  -   Used in / Accessories: ALTO GENESIS SUB ALTO LINE COUPLET LIGHT EXPERIENCE V 20
sketch frequency- and impedance response	Technical Data: Rated power 50 W Maximum power 80 W Nominal impedance Z 8 Ohm Frequency response fu–12000 Hz (fu: Lower cut-off frequency depending on cabinet) . Mean sound pressure level 87 dB (1 W/1 m) Opening angle (-6 dB) 113°/4000 Hz Excursion limit +/−8 mm Resonance frequency fs 52 Hz Magnetic induction 0,9 T Magnetic flux 283 µWb Height of front pole-plate 4 mm Voice coil diameter 25 mm Height of winding 8,5 mm Cutout diameter 109 mm Net weight 0,63 kg D.C. resistance Rdc 6 Ohm Mechanical Q factor Qms 2,26 Electrical Q factor Qes 0,59 Total Q factor Qts 0,47 Equivalent volume Vas 12 l Effective piston area Sd 74 cm² Dynamically moved mass Mms 6 g Force factor Bxl 4,6 Tm Inductance of the voice coil L 0,6 mH Similar Products AL 130 8 OHM AL 130 M 8 OHM SC 13 8 OHM W 130 S 4 OHM W 130 SC 8 OHM W 130 SE 8 OHM WS 13 E 8 OHM
directivity pattern