more audio help needed - Chevy Impala SS Forum
 
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post #1 of 6 (permalink) Old 08-19-2002, 08:15 PM
unsafe
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hi all,

dave here,

first off i am looking at partsexspress.com and they have speaker carpet but i am colorblind and was wondering if the impala trunk was medium grey (lighter) or charcoal grey (darker)? and they have electronic crossovers that accept high or low inputs so i was thinking that if i used 12 guage speaker wire ($23 for 50')from the stock head unit to the crossover i would not have to buy the rca line adapter thing and not have to buy the rca cable to go from there to the trunk(where i will have the amp and crossover).
so is that doable? and where would i come off of the stock head unit to go to the new speaker wire or rca line adapter?

thanks in advance

dave goshorn
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post #2 of 6 (permalink) Old 08-20-2002, 02:41 PM
jelzey
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Not sure on the color but you will get higher voltage over RCA then speaker wire which improves the sound. Most systems now-a-days have 4 volt or higher. Speaker wire can't even do 1 volt unless its the expensive stuff. You might get noise or clipping at high volumes.
post #3 of 6 (permalink) Old 08-20-2002, 02:43 PM
jelzey
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I just read you have the stock unit. Not sure how that will effect things. Must think abit
 
post #4 of 6 (permalink) Old 08-20-2002, 02:54 PM
jelzey
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Are you trying to splice off the highs and mids to your existing system and then direct the lows to an added on subwoofer?
post #5 of 6 (permalink) Old 08-20-2002, 04:51 PM
unsafe
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hi twig,

dave here,

yes i have the stock head unit(am/fm/cd) and i have a small amp for sub woofers but the amp does not have a built in crossover so i am going to use a electronic crossover and the crossover accepts high and low level inputs so i figured if i use 12 guage speaker wire (the same as i will use from amp to subs)that i can bypass the line to rca converter and rca cables. and i still do not know how to hook up a line to rca converter, i am asumeing that i would splice into the speaker wires that come from the back of the stock head unit. also i heard that the medium gray carpet would match the impala trunk.

dave goshorn
post #6 of 6 (permalink) Old 08-24-2002, 05:41 AM
bbodyguy
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Your use of 12 gauge to an input of an amp is severe overkill. The whole reason of having a higher gauge wire is to carry current. Since you only need to get a signal to an amp, you can use stock gauge or even less. Wont hurt anything to use the fat wire, just wikk not get any improvement whatsoever.
Btw twig, speaker wire can handle much more voltage/current than an rca cable. Look at lamp cord, commonly used for speaker wire. Have a fire extinguisher handy when you wire up a lamp with an rca type or sheilded cable!
Rca/ sheilded cable is for low level signals. The rca out that says four volts is still a low level signal. There is no current behind it, and the four volt level helps reduce picking up induced noise in cable runs. You reduce the gain in an amp and the induced noise is attenuated.
Unsafe, (like the name!) run regular cable to your crossover, and run short rca to the amp. You can use the fat wire, but it wont buy you anything.

IMHO,
Peter May
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