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Help connecting external subwoofer

post #1 of 26
Thread Starter 
I got a super cheap surround setup off newegg a while ago, and I want to hook my external sub up to it. Here's an overall pic of the cheapo amp/sub box.



Cheap "amp"



Subwoofer connections for the internal sub. There's two connections? Sub 1 and Sub 2 they are labeled.



This internal sub has 2 imputs too?



And finally, here's what I have available on the external sub.



Remember, the external sub is self powered powered so I hope it wouldn't be affected by the rest of this cheap setup. But it want them to still work together. Originally I was planning on just splicing the internal sub wires to the "speaker in" on the external sub.

But now I'm confused because there's two sets of wires going to the internal speaker. Do I splice both? One?

Thanks guys, I know it's not exactly a great setup but it would be nice if I could get it working
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post #2 of 26
what kinda connection is coming from the surround sound box to the subwoofer box?

What kind of connection is the sub supposed to take?

More pics of the ends of wires please.
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post #3 of 26
Thread Starter 
Quote:
Originally Posted by lavieinjuste View Post
what kinda connection is coming from the surround sound box to the subwoofer box?

What kind of connection is the sub supposed to take?

More pics of the ends of wires please.
I've got lots of wires, and I can get more if that's the issue. Right now I've got some stereo bare wire and some stereo RCA lying around. I could use either or both.

It looks to me like the sub is suppoed to take either RCA or bare wire.

What wires should I take pics of? I haven't got anything setup yet

BTW, I know how to solder too.
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post #4 of 26
well, if the surround sound box output for the subwoofer is bare wire or RCA, then just plug them in??

I either think I am missing something, or I don't know exactly what you are asking....
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post #5 of 26
Hey Fishie, i have about the same set-up

I went from the sub out on the speaker to the line in RCA on the sub.

Dont worry about the dual inputs on the sub, that is a dual voice coil speaker, just use the RCA in.

you can use the same adapter to go to the sound card. <----- edited ( I just installed sound card in puter and tried it out..it works)

I got the adapter at radio shack
    
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post #6 of 26
Thread Starter 
Quote:
Originally Posted by lavieinjuste View Post
well, if the surround sound box output for the subwoofer is bare wire or RCA, then just plug them in??

I either think I am missing something, or I don't know exactly what you are asking....
There is no sub output on the surround box, that's the problem.
Quote:
Originally Posted by deskjockey View Post
Hey Fishie, i have about the same set-up

I went from the sub out on the speaker to the line in RCA on the sub.

Dont worry about the dual inputs on the sub, that is a dual voice coil speaker, just use the RCA in.

I am pretty sure (not 100% positive) you can use the same adapter to go to the sound card. (no room for sound card in current set-up here)

I got the adapter at radio shack
You mean splice the external sub in from the sound card? I've done this before and I got tired of having to adjust the volume from windows otherwise the sub and surround volumes get out of sync.

If I'm wrong, can you describe what you are talking about better?

EDIT: Check this post in a sec, I'll get a pic of the connections on the surround box.
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post #7 of 26
Thread Starter 
Ok, so here's a pic of the I/O panel on the surround box. As you can see it has no subwoofer output. That's why I need to figure out how to make my own

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post #8 of 26
Quote:
Originally Posted by Fishie36 View Post
Ok, so here's a pic of the I/O panel on the surround box. As you can see it has no subwoofer output. That's why I need to figure out how to make my own


why do you have that box?

I went right to the sound card and yes I do have to adjust through windows....OR when i had it in the sub out of the speaker I could use the bass on the speaker and adjust from there
    
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post #9 of 26
Try this...if this doesnt work then just use + and - from the sub1 connection. And instead of splicing into the wire..just solder a new wire on the other side of the pcb..where the connection solder blob pops out.
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post #10 of 26
Thread Starter 
Quote:
Originally Posted by waqasr View Post
Try this...if this doesnt work then just use + and - from the sub1 connection. And instead of splicing into the wire..just solder a new wire on the other side of the pcb..where the connection solder blob pops out.
Thanks, you sure it's ok to bridge them like that? I'm not really familiar with how dual voice coils work.
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