W 300 8 OHM Art. No. 9069 30 cm (12") woofer with air-dried cone and pressure vented pole piece. Can be fitted at front or rear. Excellent value for money coupled with very good power-handling capabilities. Particularly suitable as a replacement for HiFi speakers. Recommended cabinets: Volume/Principle BR-Channel fb fc/QTC 70 l/closed  -  - 56 Hz/0,8 100 l/closed  -  - 49 Hz/0,71 150 l/closed  -  - 43 Hz/0,62 70 l/bass reflex BR 25.50 (length 7 cm) 36 Hz  - 100 l/bass reflex BR 25.50 (length 20 cm) 32 Hz  - 150 l/bass reflex 2 x BR 15.34 (length 7 cm) 29 Hz  -

sketch frequency- and impedance response

Technical Data: Rated power 120 W Maximum power 180 W Nominal impedance Z 8 Ohm Frequency response fu–2500 Hz (fu: Lower cut-off frequency depending on cabinet) . Mean sound pressure level 91 dB (1 W/1 m) Excursion limit +/−14 mm Resonance frequency fs 32 Hz Magnetic induction 0,95 T Magnetic flux 1250 µWb Height of front pole-plate 8 mm Voice coil diameter 50 mm Height of winding 18,5 mm Cutout diameter 280 mm Net weight 2,8 kg D.C. resistance Rdc 6,9 Ohm Mechanical Q factor Qms 2,85 Electrical Q factor Qes 0,68 Total Q factor Qts 0,55 Equivalent volume Vas 190 l Effective piston area Sd 490 cm² Dynamically moved mass Mms 43 g Force factor Bxl 9,44 Tm Inductance of the voice coil L 1,77 mH Similar Products TIW 300 8 OHM W 300 S 4 OHM W 300 S 8 OHM