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2 inputs same speaker


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chaos420 
Copper - Posts: 47
Copper spacespace
Joined: March 21, 2006
Location: United States
Posted: July 14, 2007 at 8:41 PM / IP Logged  
I Have a brand new 2008 Mitsubishi Lancer that I'm going to put a high end stereo in.  Problem is these new cars aren't meant to have the factory deck removed, so i'm building an automotive pc to power the system.  I'm just going to cut the speaker wires and run the inputs through amps, leaving the outputs from the factory deck unconnected.  However my car has a bluetooth phone system built in that I would still like to use.  I'm worried if i just hook both the deck and amp's outputs to the same speakers, it would send power back through my factory stereo (and probably my cars computer) and cause major damage, being that the amp will be pushing far more power.  Is it possible to hook up the ouputs of my deck through speaker level inputs together with rca inputs on the amp to get both signals working together?  Or maybe using diodes in order to prevent damage.  I would appreciate any help or ideas. Thanks.
ranger svo 
Copper - Posts: 70
Copper spacespace
Joined: July 04, 2007
Location: United States
Posted: July 14, 2007 at 9:19 PM / IP Logged  

I have a better idea, use a JL Cleansweep. And keep your factory radio and you have outputs for two amps.  I have installed 2 Cleansweeps and they really work. It also has an input for an aux source.

Just my 10-cents worth

The moving power of mathematical invention is not reasoning but imagination.
Augustus de Morgan
chaos420 
Copper - Posts: 47
Copper spacespace
Joined: March 21, 2006
Location: United States
Posted: July 14, 2007 at 10:26 PM / IP Logged  
I never heard of the cleansweep before.  I like the idea and might get one, it is perfect for what i want to do, but it seems there might be a cheaper method.  If all else fails i suppose i could just use a switch/relay to switch between functions.
chaos420 
Copper - Posts: 47
Copper spacespace
Joined: March 21, 2006
Location: United States
Posted: July 14, 2007 at 10:58 PM / IP Logged  

Also I read the manual for the cleansweep, and if I wanted to still be able to use the bluetooth function, i won't be able to use the aux inputs, therefore i couldn't use the pc, which is the main idea behind the system i'm designing.


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