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C4 Bose Question, Adding a sub only

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Old Feb 28, 2005 | 12:14 PM
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Default C4 Bose Question, Adding a sub only

Hey guys, I've tried doing a search but I can't seem to find the answer. I know the bose system in my '93 coupe is messed up compared to normal audio systems. Is it possible to add just a sub to the system.

I'm not an audio file and my hearing isn't good enough to pick up the small differences in the speakers, so the stock speakers are ok for now, but I'd like to "feel" my music a bit more. I looking to spend a couple of hundred dollars on a 10" sub and stick it in the storage compartment. There's tons of post on how to do this. But......

How do you hook up the signal wiring from the system to the amp?? Is it just knowing which wires to tap? Do I need some kind of low pass band filter?
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Old Feb 28, 2005 | 12:22 PM
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find an amp with speaker level inputs
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Old Feb 28, 2005 | 12:55 PM
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Yup, easiest way is to go speaker level outputs and just tap into the speaker wires. Firms like Bazooka, Infinity, etc. make powered subwoofers which make it one step easier. I've used both the Infinity and Bazooka brands and both do a solid job....Bazookas are less expensive....enjoy.

PS, many amps and powered subs have the filters built in...some include cabled sub controls which replicate the sub controls from a remote location.....
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Old Feb 28, 2005 | 02:17 PM
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I'm thinking of mounting an external amp in the storage compartment below the sub, so I don't really want an integrated one. What do you guys mean by an amp with "speaker level inputs"?

Would I need to tap both sets of rear speakers, or just one?

Last edited by mn_vette; Feb 28, 2005 at 05:06 PM.
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Old Feb 28, 2005 | 05:47 PM
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Originally Posted by mn_vette
I'm thinking of mounting an external amp in the storage compartment below the sub, so I don't really want an integrated one. What do you guys mean by an amp with "speaker level inputs"?

Would I need to tap both sets of rear speakers, or just one?
Speaker level inputs are available on some amplifiers for the purpose of sampling the output signal going to your stock speakers, and amplifing the signal to whatever speaker you have hooked up to your amp. This forgoes the need to buy an inline RCA converter from your bose head unit, and is an easy, simple way to get the signal you need to your amp without having to install a line level converter off of your head unit. Thats it. Nice little short cut....but there is a drawback, you have induced noise....but in all reality, you'll never notice it...Only us hard core audiophiles are picky about that kind of issue.

You would need to tap into both speakers for a signal if you want to drive two seperate channels on the amplifier, if it is obviously a 2 channel amp, but if you're just interested in getting a monoblock, you'll only need to tap one speaker. Low fequencies are omni-directional, and the naturally large waveform eminated from the subwoofer, is hard to decern if its stereo seperated or not....so again, if you're an audio nut, you might be picky and notice the difference. No one else will.



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Old Feb 28, 2005 | 06:10 PM
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snoopdan,

Thanks for the great explination.
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Old Feb 28, 2005 | 07:46 PM
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No problem man, thats what im here for! If you have any specific questions, feel free to PM me anytime!


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