AudioBahn 1251T 12 inch Subwoofer £35!!
 

fully working, but doesnt have a box though.
sounds awesome with the right amp.

spec:
AudioBahn 1251T 12 inch Subwoofer
12" Dual 4 Ohms Natural Sound Subwoofer
RMS: 400 watts
Impedance: Dual 4 ohms
Non-Pressed, Non-Transfer Paper Cone
PHAT Foam Surround
2" 4-layer ASV Voice Coil
45 oz. Strontium magnet structure

picture:
http://i444.photobucket.com/albums/q...0/audibahn.png


price £35 collected from Huddersfield.
thanks.