NERO 12MWN400D, 12 inch Midwoofer, SB Audience Product Video 

SB Audience NERO-12MWN400D 12" Mid-woofer
Highlights:
Proprietary cone paper material with manila pulp
Strong neodymium motor
3" voice coil with APC (Advanced Polymer Coating)
Interleaved Sandwich Voice Coil technology
Cast aluminium chassis
Minimum damping fiber glass voice coil former
Copper sleeve for low inductance and reduced distortion.
Product Link: diyaudiocart.c...