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Tim wrote:It sounds like the amp is going into protection mode. Protection mode is the ability built into the amp to keep it from getting to hot and frying.
Where have you got your gain set??
How are you running the amp?
Is it stable for the load you are putting on it??
Tim

cargodz wrote:Okay well now we're a lil more informed...
Your sub can handle 350w rms @ 4ohm (single 4ohm voice coil), your Sony amp only puts out 80w rms @ 4 ohm x 1, as for your Torch amp if memory serves me correct I believe it does 200w rms @ 4 ohm x 1 so it would be the best fitment for powering your sub.

solacedagony wrote:Okkkk... Is the fuse blowing when you hook the ground up?
When you removed the ground originally, did you open the circuit first (remove a battery cable)? Or did you just remove it with power still going to it?

brentw_07 wrote:The sub is an 12 inch sony xplod xs-l120psw i have an 220w sony xplod mosfet amplifier its an 2/1 channel power amplifiler xm-222w.Ive got anoter amp bowered right now i tried to hook it up tonight. Its an torch series and its by digital audio its an 800 watt would that be too much to run that sony xlpod i have but anyways back to the other amp but i tried this with both of them and i know there is nothing wrong with either amp i only have an 30 amp fuse do i need a bigger fused / power wirer. i kept blowing fuses i only have a small power cable and when i take an volt meter it says i have 12 volts with out the ground wire on there and thats on both amps it wasnt doing this till i unhooked it and started blowing fuses i took the ground wire off wished i didnt now i can find ground i found power one time where if i took the volt meter i had nothing with no ground wire i went to hook it back up and it when back to having 12 volts without the ground wire.but anyways im going to go sorry it took me so long to get back

cargodz wrote:While normally I would suggest building your own box, with this sub you could easily get away with going the cheap way out and buying a prefab sealed box and then just glass up the inside a little for added stabilty.
Most of your prefabs are going to be in the 18"Wx 14"Hx 9"-15"D(top-base) range and from what you're describing, that sounds like it would fit.
Also I mentioned 300wrms as a ballpark since most sony subs can't take to much more than that... for a more accuracy, tell us what model sub it is specifically and the same with your amp, so we can tell you exactly if and what else you can do.