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If it was 4am and you went blank, isn't it safe to assume you fell asleep?

Maybe four 18s if you can fit it. Or a few 21s.

we don't need roads where we're going.

Come on Swift, I think he gets an A for effort. It's a start. It's creative. I see the potential. Remember the times when we and our friends first got cars. Some were awesome others were not so but it was still cool because we were rollin' and had freedom!!! I would hot box that truck anyday!!!

no way to tell until you give them a listen. pro's and con's to both locations you could also try the sail panels by the mirrors or higher in the door.

Yeah without knowing what space that you have this is impossible to answer.

Well you making it sound like a complete mystery. There's only a few thinks that could have happen.

Why would I assume I fell asleep? It's a possibility. But highly unlikely. I was bright eyed and bushy tailed up until it goes blank. I'm not one to just doze off. A blow to the head can easily cause a small memory lapse but I thought that was common sense.

You're missing the point entirely. You don't need to do this. No reason to. It won't help you. You'll gain nothing by doing it. You won't retrieve any useful information from it, and it won't help you set your gain. And no, you can not truly measure power output with a DMM. You can measure voltage output from the amplifier with a DMM, which if a subwoofer was a resistor would allow you to calculate power. But a subwoofer isn't a resistor, so in reality it turns out to be nothing but a guess. It also assumes a constant rather than dynamic source, which music is dynamic so again not helpful. In addition to that, if you set the gain with a DMM there is absolutely no reason the gain is inherently set "correctly". Forget about the measurement. Forget about the DMM. Set it by ear and use your head.

You don't need to measure anything. Simply use your brain and ears to set the gain to a level that the subwoofer is not overdriven at your maximum listening level. A clamp test is useless. You don't need to buy anything from SPL Labs (though I'm glad shiz pointed out it would be a waste for your purpose). Set the gain using your brain and ears. It's that simple, really.

That really doesn't work that well. The impedance of the driver(s) changes with frequency. The amount of wattage the driver(s) actually sees changes due to that fact. If a person was to use a voltmeter and an amp meter to plot the impedance curve they could plot the power applied at several frequencies and get a very accurate reading. However that's a lot of trouble. It's much easier to simply set it by ear. Play some music that you're REALLY familiar with, listen for stress and smell for a hot coil from the driver. I've been doing this for years and have almost always done it by ear.

If your question isnt answered by Monday, give IA a call and ask for Nick. I get faster responses usually when calling or emailing vs the forum.

Read up on how to set your amplifier gain(level).

Ohhhhh myyyy gawd. God forbid you should have to do some research before purchasing a product...if you want to be spoonfed then go to a brick and mortar shop and have them explain to you why their product is the best. I don't mean to sound like an asshat but it sounds like you want the people at Fi (or the people on the forums) to build your system for you step by step while all you do is blindly hit the "buy" button. Nobody can tell you what a system that hasn't been installed yet sounds like. If it bothers you that Fi doesn't explain every single detail about their subs (which would be hard, because they constantly change small things about their woofers) then buy something else. Have some initiative lol.

FML!!!! Right after. I mean exactly after I poasted that... A caster on my desk chair snapped off. Well played cardio gods...

Their products are sold on the SSA store, here. Ask [email protected] : fast and reliable answers ! I'm in a foreign country too, and they take good care of me everytime I need something.