AL 200 8 OHM Art. No. 1281 20 cm (8") High-End woofer with stiff aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low mechanical and electrical losses due to vented pole plate, vented damper and capton voice coil carrier. Fast pulse response due to light weight aluminium cone. Suitable for 2- and 3-way high end combinations and as low-midrange driver in 4-way high end systems. Recommended cabinets: Volume/Principle BR-Channel fb 30 l/bass reflex BR 25.50 40 Hz 50 l/bass reflex BR 25.50 31 Hz 70 l/bass reflex BR 25.50 27 Hz Used in / Accessories: CASABLANCA MK IV CLASSIC 200 CONCORDE MK III VOX 200 KM 140
sketch waterfall spectrum frequency- and impedance response	Technical Data: Rated power 120 W Maximum power 180 W Nominal impedance Z 8 Ohm Frequency response fu–9000 Hz (fu: Lower cut-off frequency depending on cabinet) . Mean sound pressure level 88 dB (1 W/1 m) Opening angle (-6 dB) 122°/4000 Hz Excursion limit +/−10 mm Resonance frequency fs 32 Hz Magnetic induction 1,3 T Magnetic flux 930 µWb Height of front pole-plate 6 mm Voice coil diameter 38 mm Height of winding 20 mm Cutout diameter 190 mm Net weight 2,5 kg D.C. resistance Rdc 6,6 Ohm Mechanical Q factor Qms 3,73 Electrical Q factor Qes 0,39 Total Q factor Qts 0,35 Equivalent volume Vas 77 l Effective piston area Sd 216 cm² Dynamically moved mass Mms 21 g Force factor Bxl 8,8 Tm Inductance of the voice coil L 1,2 mH Similar Products 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 WS 20 E 8 OHM
directivity pattern