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Ok, so this guy from Calgary ordered up some subs a little over a year ago for his home theatre setup. A little over a month ago, he phones me again telling me they aren't enough. We start sharing info and I find out he was the Canadian car audio champion back in the early 90's. So after a 17+ year hiatus, it just so happens that Big Dave is planning to get back into the car audio scene once again. He calls himself 'Big Dave' for just reason - he's bigger than me and has that deep, husky voice you can only associate with men of larger stature. Eight IXL-12's, four MLI-65's and a 2000 Ford F250 bought primarily for car audio, this should be a very interesting build. He's also into a lot of customizing (read fiberglassing, totally modding of stock environment, etc. etc.) Here's a shot of his trophy "army" with the car that made it all happen - circa early 90's.

Ok i am gettin a 240sx do yall think a fi btl 15 or 18 wood blow out the windows of the car and if so what is a good kinda glass to get to keep that from happen

There are quite a few used SAZ-1500's in the For Sale section. Highly recommend them, practically bulletproof amps and great customer service.

generally don't see any worries with glass till you get over 155 db's, and then it's very vehicle dependent. with a single BTL, no worries, with 4 18's on a wall and 4-5k on each, then yeh would probably expect a little more window flex...

I don't think it will blow out any windows. your would need alot of power and high pressure to do that. not from a single 15 or 18 btl

I might. Ok, so if they are dual 4 ohm, is there any way to run two of them off an MTX RFL600D at 2 ohms? I was never really good at figuring out multiple sub wiring. I'm basically trying to decide between 2 187's (I'd have to build a box) or a single LI (already have a box). Daily driver, all types of music. Yeah you probably would, glad to hear you dont care about your life. D1 ohm = .5 or 2 ohm load D1 ohm (2 subs) = .25 or 1 ohms D2 ohms = 1 or 4 ohms D2 ohm (2 subs) = .5 or 2 ohms D4 ohms = 2 or 8 ohms D4 ohms (2 subs) = 1 or 4 ohms

I have not replaced the factory battery. I have enough power to play with engine on. I just want to run a secondary battery to play my system with the engine off for a few moment. I don't need to play like that for hours long, let's say for 30 to 60 minutes "only" ! That is why I thought a secondary battery would be good. But I am afraid of the alternator power : would it be able to reload a rear battery ? I will use an isolator to protect my primary battery when the car is off. I would recommend replacing the front battery with the model that best fits the factory location. Once the front battery has been chosen, I would choose a secondary battery that best suits your amperage needs. To power 2400W for 60min contiuous without the engine running you will need a pretty large secondary bank to keep the voltage to the amps happy. I would recommend starting with a D3100 and see how that works out. If you need more run time, you can always add more!