I'm selling my Stereo Integrity 12" BM Prototype. It's a great sub, clean sound and pretty good output. I was giving it 500-700 watts and it handled it like a champ. IMO you won't find a better sub for the price. The basket looks pretty slick, and it's definitely unique. $125 shipped
Link to original thread
Link to original thread
kinda dusty12" BM. Dual 4 Ohm coils, 6" mounting depth, paper pulp cone, foam surround, copper2.5" voice coil, it will work in 1.3 cubes sealed and 2 cubes ported to 34 Hz. and here are the rest of the parameters:
Coils in series.
Fs = 23 Hz
Qms = 7.8
Qes = .388
Qts = .37
Vas = 93.79 liters
Cms = 0.26 mm/N
Re = 7.29 ohms
BL = 21.9 N/A
Sd = 500 cm^2
Mms = 175 g
Le = 6.83 mH
SPL = 86.9 dB/1w/1m
