20 cm (8") HiFi woofer with polypropylene cone. Due to balanced frequency response curve suitable for 2-way-applications up to 2000 Hz and as low-midrange driver for large 4-way speaker systems as well. Due to the special basket design suitable as replacement driver for many HiFi speakers.

20 cm (8") HiFi woofer with polypropylene cone. Due to balanced frequency response curve suitable as low-midrange driver for large 4-way speaker systems. Due to the special basket design suitable as replacement driver for many HiFi speakers.

17 cm (6.5") HiFi woofer with coated paper cone, elastic rubber surround and inverse dust-cap. Due to the balanced frequency response also suitable as low-midrange driver for 4-way speaker systems. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.

17 cm (6.5") HiFi woofer with coated paper cone, elastic rubber surround and inverse dust-cap. Due to the balanced frequency response also suitable as low-midrange driver for 4-way speaker systems. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.

13 cm (5") fullrange driver with paper cone and elastic rubber surround. Can be used as a low-midrange driver too. Due to the special basket design especially suitable as replacement driver for many HiFi speakers.

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 -