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subwoofer speakers

Depends on the type of sub you are using. If its with a ss system (like a 5.1 logitech) then there is no sub input. They use crossovers inside the electronics. BUt, if you want to go from just the pc to a single sub (this would be if you have a separate amp for the main speakers) then I would take a Y cable to connect it to the low-level input on the sub. (has a 3.5 mm stereo plug on one side for the sound card, and two RCA plugs on the other side, one red, one black or white) By doing this, the soundcard is acting like the crossover, and only sending the lower freq. out to the sub.

Another way to do it (assuming your sub amp has speaker level inputs) is to run the speaker cable thats going from your main amp to your speakers through the sub first. You only have to do this with the stereo speakers (not the ss speakers, as there is only 2 inputs). By doing it this way, the sub is picking up the lower freq. from the speaker wire and sending it to the sub speaker, while letting the higher/mid range frequencies go to the main speakers.
 
What kind of soundcard?
built in 5.1 sound card

What kind of speakers?
speakers from TV system, with only 1 black and 1 red cable
 
Does the sub have controls on the back?

gain, crossover frequency, etc?

You might try to set the output to 4.1 and then see if there's a setting for stereo surround (or something where the front and rear output both get the same signal). Then hook up the subwoofer to the rear output and keep the TV speakers hooked up as usual.

Adjust the sub for volume and cutoff frequency and then adjust volume with the computer?
 
Sounds like the OP doesn't have POWERED PC speakers. He's just got two speakers with a + and - wire coming out of each.

Sorry friend; you cannot hook them up directly to the computer. They need an amplifier.

A much cheaper alternative would be to purchase computer speakers. They have a built-in amplifier that will work well w/your computer.
 
Originally posted by: sentmemail
whats the cheapest amp in the market?
Click to expand...

If you live in the states, then bestbuy has a 2 channel insignia amp and circuit city has a 2 channel sherwood amp. Either goes on sale from time to time for under $100. Another choice would be the sonic t-amp that you can order from variuos stores online for (iirc) around $60, which gives a small number of watts, but a pretty good clean sound.
 
Originally posted by: unfalliblekrutch
Originally posted by: sentmemail
whats the cheapest amp in the market?
Click to expand...

If you live in the states, then bestbuy has a 2 channel insignia amp and circuit city has a 2 channel sherwood amp. Either goes on sale from time to time for under $100. Another choice would be the sonic t-amp that you can order from variuos stores online for (iirc) around $60, which gives a small number of watts, but a pretty good clean sound.
Click to expand...

Sonic T-amp is about $25-$30, but it runs off batteries by default, so you have to add a power adapter which adds to the cost.

I wouldn't really trust it to do a job that requires high volume though unless the speakers are very sensitive.

It's perfect for a little office system, but not a whole lot more than that.

sentmemail, do you have more information on those speakers? I was confused before when you were calling them subwoofers.

Were they speakers that were originally connected to a TV and powered by an amp connected to the TV?

I agree with MichaelD that just buying a set of computer speakers would be easier. You could get a fairly decent set of speakers for what the cost of an amp would be. Without knowing more about the speakers you plan to hook up, it's hard to say if it would be worth it to try to get them working. If they are good speakers, then it would be worth it to get them working, but there are a lot of crappy speakers out there, especially the ones that tend to be detachable from TVs.
 
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