AL 170 8 OHM Art. No. 1302 17 cm (6.5") High-End low midrange driver with stiff, anodized aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low electrical and mechanical losses due to vented pole plate, vented damper and capton voice-coil. Extremely long cone displacement due to long stroke voice coil. Suitable as low-midrange driver for 2-, 3- and 4-way high-end applications up to 2500 Hz. Recommended cabinets: Volume/Principle BR-Channel fb fc/QTC 10 l/closed  -  - 73 Hz/0,68 20 l/bass reflex BR 19.24 (length 13 cm) 43 Hz  - 30 l/bass reflex BR 19.24 (length 11 cm) 39 Hz  -   Used in / Accessories: ATLANTIS MK II ATLAS COMPACT MK V ELEVATION 3 FONTANA MINI SUB 170 SYMPHONIE VIB 170 AL VIB 170 BP BIJOU 170
sketch waterfall spectrum frequency- and impedance response	Technical Data: Rated power 70 W Maximum power 100 W Nominal impedance Z 8 Ohm Frequency response fu–10000 Hz (fu: Lower cut-off frequency depending on cabinet) . Mean sound pressure level 88 dB (1 W/1 m) Opening angle (-6 dB) 51°/4000 Hz Excursion limit +/−11 mm Resonance frequency fs 38 Hz Magnetic induction 1,1 T Magnetic flux 520 µWb Height of front pole-plate 6 mm Voice coil diameter 25 mm Height of winding 18 mm Cutout diameter 150 mm Net weight 1,2 kg D.C. resistance Rdc 5,6 Ohm Mechanical Q factor Qms 3,88 Electrical Q factor Qes 0,43 Total Q factor Qts 0,39 Equivalent volume Vas 34 l Effective piston area Sd 133 cm² Dynamically moved mass Mms 13 g Force factor Bxl 6,9 T m Inductance of the voice coil L 0,9 mH Similar Products W 170 8 OHM W 170 S 4 OHM W 170 S 8 OHM WS 17 E 4 OHM WS 17 E 8 OHM
directivity pattern