jl audio 15" subwoofer.

15w3v2 D4 (dual 4 ohm voile coil)

brand new in the box, been taken out of its box once or twice and thats it. user manul is missing but there is a link below to download one. bought it for a system but never used. was gonna stick it in the van but decided
not to.

15W3v2 DRIVER SPECIFICATIONS
15W3v2-D2 15W3v2-D4
Free Air Resonance (Fs): 22.5 Hz 23.0 Hz
Electrical "Q" (Qes): 0.510 0.464
Mechanical "Q" (Qms): 10.155 8.794
Total Speaker "Q" (Qts): 0.486 0.441
Equivalent Compliance (Vas): 6.86 cu. ft. / 194.3 liters 6.94 cu. ft. / 196.5 liters
One-Way, Linear Excursion (Xmax)*: 0.675 in. / 17.1 mm 0.675 in. / 17.1 mm
Reference Efficiency (no): 0.417% 0.495%
Efficiency (1W/1m)**: 88.2 dB SPL 88.9 dB SPL
Effective Piston Area (Sd): 127.5 sq. in. / 0.0822 sq. m. 127.5 sq. in. / 0.0822 sq. m
DC Resistance (Re): 3.44 ohm*** 6.80 ohm***
Nominal Impedance (Znom): Dual 2 ohm Dual 4 ohm
Thermal Power Handling (Pt): 500W 500W
Driver Displacement: 0.14 cu. ft. / 3.9 liters 0.14 cu. ft. / 3.9 liters
Net Weight: 17.4 lbs. / 7.8 kg 17.4 lbs. / 7.8 kg
link to specs - http://mobile.jlaudio.com/pdfs/15W3v2_MAN.pdf
a link to one in action (not this one mind, lol) - http://www.youtube.com/watch?v=2K4v4...eature=related



i paid £300 last year
big loss for me at £180 ono
it weighs a ton so collection would be advised.