New powerful 21" subwoofer
New powerful 21" subwoofer with reinforced cone for very low frequency vented boxes
- aluminum die-cast frame with improved voice coil ventilation;
- removable self-centering ferrite magnet system;
- inside-outside copper voice coil;
- ventilated voice coil gap;
- double aluminum demodulation ring;
- glass fiber reinforced weather protected cone;
- double silicon spider.
- 21” nominal diameter;
- 3200 W AES program power;
- 97.5 dB 1W/1m sensitivity;
- 4.5” voice coil;
- 16.2 kg weight.