component speakers.

[jhnkvn]

Holy cow.. naging 3 pages yun thread. Well.. this thread is a bit unique compared to most car audio questions but it isn't the first time I've seen this.

I'll echo the same recommendation as 1D4LV: Sell the component system, buy a powered subwoofer. Since all you want is the subwoofer.

Pero pagayaw.. let's start.

Component systems aren't really complicated. They're usually just a tweeter, midrange (if it's 3-way), and a midbass enclosed in a PVC box with some having a separate subwoofer box of 8-10 inches. It's very much like your bookshelf speakers -- except it's made for mass production and designed to be affordable.

Until now, I'm not too sure if you plan on chopping the component system up (e.g. getting the speaker drivers lang) or you plan on using the entire compo system in your car. Clarify that for me ;)

If you plan to throw the entire thing in a car: how do you plan on powering it? Most component systems have a source with a built-in amplifier that drives the speakers. You then power this source by socking it in a 220V household wall socket. If this is your route, I will suggest a power inverter and though if possible try not to purchase the cheapest one you can find.

Kung balak mo lang gamitin yun subwoofer ng compo system. How does it connect to the compo system? (Aka patingin nga ng likod..) If you have no plans on chopping the sub box up, this will tell you what's inside your sub box. Sa totoo lang ito yun mahirap sa if you go for this route kasi madami tanong...

1. How is it powered? Nasa loob ba yun amplifier or nasa labas? (most subwoofers have a built-in one hence "active subwoofers" and so do most compo systems.. keyword is: most)
2. How does it receive the signals? Does it do signal filtration (crossovers) on the source itself? on the amplifier? or via a passive crossover?

Kasi ganito lang yan.. if you can't answer #1, where will the subwoofer get its power? Kung nasa loob yun amplifier, okay. Now ask yourself -- how do you power that amplifier?

If you can't answer #2, well.. this is pretty fine pero konting kawawa subwoofer mo since without filtration, it'll try to play the entire spectrum range (20hz to 20khz). Of course, it can't reach the upper frequencies since physics says it can't vibrate fast enough but it's still recommended to filter it to <150hz.

If you want to just get the subwoofer driver... Good.. easy enough. You just need to build an enclosure for it which also costs money so if you're adventurous and kuripot enough, try going for an infinite baffle (Google it) or free-air subwoofer configuration, afterwards all you need to do is attach speaker wires to it.

But wait, what about the filter? Well.. like I said with #2, okay lang naman kahit wala. Your subwoofer is just going to try to extend as high as it can naturally.