Originally Posted by fiatdale

Well if you had a dual 1.7ohm sub (dual 2 ohm), if it was only one sub, in order NOT to blow your amp up, the smart thing to do is wire the coils in series, bring it up to 4ohm which is safer for the amp. 8ga is def. overkill. You MUST upgrade your ground wire to 4ga. If power is 4, you must keep ground consistant, as it is the return path for the power. This can fix problems such as dimming headlights, etc.

I too went to Mobile Dynamics about 6 years ago, how long ago were you there?

Originally Posted by pyrovince

You could just wire the sub in parallel to one ohm, and run monoblock 1 ohm amp. 8 guage is less resistance than say 12 or 18. Also to high a guage can short out amps.

Originally Posted by fiatdale

Just make sure your amp can go down to 1 ohm, otherwise its time for some overheating. Not all monoblock amps can go down that low and stay stable.