B170S - 8 Ohm 17 cm (6.5 inch) HiFi Bass Speaker

17 cm (6.5") HiFi base with coated paper cone, powerful drive and extended rear pole plate.
Special voice coil and elastic rubber frame for long strokes.

Recommended cabinets: Volume/Principle BR -Channel fb fc/QTC 20 l/closed - - 57 Hz/0.74 20 l/bass reflex BR 19.24 (length 14 cm) 44 Hz - 30 l/bass reflex BR 15.34 (length 12 cm) 39 Hz - 50 l/bass reflex BR 15.34 33 Hz -