Home theater sub question

[Deeko]

Ok....my receiver has a subwoofer output. I'm too cheap to get a sub Right now I'm running my DJ speakers with big 15" woofers for my fronts, but soon I'm getting good Infinities. So, I was wondering, is it at all possible to run one of the old speakers as a sub? I tried running the sub output into my DJ amp and then running that to the speaker, but all I got was a loud hum...why? Is this just not possible?

 

[gygheyzeus]

It's probably not possible, as usually the sub output is just a white RCA style connector. There really isn't an "easy" way to run just the 15" woofer as a sub, the proper signal wont be sent to it.

 

[Deeko]

I'm not running it straight to the sub though, its going through an amp...I thought that the signal was just an unamplified bass signal? Is it something else?

 

[Shazam]

<< I thought that the signal was just an unamplified bass signal >>

Correct. You can connect the sub signal to an amp, amp to the speaker.

 

[Deeko]

But I have it hooked up like that, and I just get a loud hum.

 

[Viperoni]

Then you must have either a bad cable or a nasty ground loop.......emliminate the ground pin on your amp and that should get rid of the problem.

Also PE has subwoofer plate amps (fit in a square hole you cut in the back of the box) 150watt for $85 and a 250watt for $125.....250watt with remote for $138

 

[AU Tiger]

If you can spare $150, you can get the Sony subwoofer. I didn't have the funds for a $500 subwoofer and came across a lot of reviews for the Sony. Best sub for under $300.

 

[d33pt]

what you did should've worked.. might not have sounded very good, but that hum sounds like it's a ground loop.. try running a ground cable from your dj amp to your receiver.. should fix that problem.

 

[Deeko]

Hmm I'll try that....I hooked it up through my DVD player instead of through the receiver and the hum was gone...but that's a pain cuz I have to manually adjust the volume and stuff and it only works with stuff through the DVD player.