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post #11 of 20
didn't see this before, but yeah. driving speakers in parallel will effectively lower the impedance of the load.

So, say each of your speakers is 6ohm. wiring them in parallel will create a 3ohm load for your amp. This is harder for your amp as it has to output more current due to less resistance.

In sort, you will be running your amp out of spec. It will most likely be able to do it, but it will shorten the life of the amp in your sub.

It is only recommended to run speakers in parallel for amps that are rated to handle the current demands.

Wiring your speakers in series would increase the resistance, but I would not recommend this either.
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post #12 of 20
Yup it's possible but it'l be hard.

You could keep your volume at the same level and risk your amp.
Or you could go serial instead of parallel.

Meaning:

Parallel = taking two wires and joining them at the same polarity + to + / - to -

Or you could loosen the strain on your amp and cut your volume in half instead of impedance.

connecting like so:

+AMP -> +speaker1 ... -speaker1 -> +speaker2 ... -speaker2 -> -AMP

And so you do with the left and right channel.


So i'm saying it's possible, but you're better of buying a 5.1 set for let's 70 dollar
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post #13 of 20
Thread Starter 
I don't know if I am extremely lucky or something but I put 2 more speakers in, one more left and another right, and I can put the volume up just as high with nothing going wrong. The woofer even keeps a nice bass. ^_^
    
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post #14 of 20
Quote:
Originally Posted by soloz2 View Post
In sort, you will be running your amp out of spec. It will most likely be able to do it, but it will shorten the life of the amp in your sub.
you dig?
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post #15 of 20
Yeah, I run speakers in parallel all the time, but only with real amps. Those integrated within the subwoofer of an all-in-one PC setup definitely don't have the balls it takes to handle a real load. I wish that didn't sound sexual. Actually I take that back. I'm glad it did.
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post #16 of 20
Someone in that post your computer room thread did the same that you are doing except he plugged a sub into his 2 speaker setup and says it works fine, but yes it will put a strain on your amp at full power.
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post #17 of 20
Here is what really goes on when you parallel speakers together. If you have 1 8ohm speaker, and the amp puts out 100 watts @ 8ohms, then you parallel another 8ohm speaker in line the amp will try to put out 200 watts / 2. Each speaker will receive 100 watts. Now your amp will draw aprox.. 2x the current, get 2x as hot, and your THD (total harmonic distortion) will double. Most of the time the amp will be ok "for a while", but eventually the solder on the board will get so hot it can melt the solder and short out the amp. At this point the magic smoke gini comes out and he is really hard to get back in. BTW you don't get 3 wishes. A great way to make a killer 5.1 system on a budget is first make sure your computer has optical out, then buy a home theater in a box system that has optical in. Optical is important due to high output gain and no noise.
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post #18 of 20
Quote:
Originally Posted by odie View Post
Here is what really goes on when you parallel speakers together. If you have 1 8ohm speaker, and the amp puts out 100 watts @ 8ohms, then you parallel another 8ohm speaker in line the amp will try to put out 200 watts / 2. Each speaker will receive 100 watts. Now your amp will draw aprox.. 2x the current, get 2x as hot, and your THD (total harmonic distortion) will double. Most of the time the amp will be ok "for a while", but eventually the solder on the board will get so hot it can melt the solder and short out the amp. At this point the magic smoke gini comes out and he is really hard to get back in. BTW you don't get 3 wishes. A great way to make a killer 5.1 system on a budget is first make sure your computer has optical out, then buy a home theater in a box system that has optical in. Optical is important due to high output gain and no noise.
Yup the home theater in the box idea would be good...wish i could find a decent one with about 300watt @ 4 ohms amp though.
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post #19 of 20
Quote:
Originally Posted by funkycasey View Post
Yup the home theater in the box idea would be good...wish i could find a decent one with about 300watt @ 4 ohms amp though.
good luck! most consumer grade amps are not rated for anything below 8ohm. If you multiply your budget by about 10x you can find a nice amp that'll do what you want


another option would be to look vintage. Some vintage amps can handle the current. But then you'd be looking for 2-3 op them to get surround sound...
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post #20 of 20
Quote:
Originally Posted by soloz2 View Post
good luck! most consumer grade amps are not rated for anything below 8ohm. If you multiply your budget by about 10x you can find a nice amp that'll do what you want


another option would be to look vintage. Some vintage amps can handle the current. But then you'd be looking for 2-3 op them to get surround sound...
Oh, it's not surround sound i am worring about now...i have the surround of my z-5500's...it's just more bass i want, lol. I am used to the bass in my car from my kicker cvx's lol.

But, yeah, i guess vintage stuff is what i need to look at.
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