GM Factory Bose 2008

[cyber5-0 10+ year member]

Anyone know if the outputs of the GM factory Bose system are full range? I know that the front tweeters are passively crossed-over from the front mids. Not sure about the rear speakers. Some people say they are all full range. Others say they are not. //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

Can someone clarify this for me?

Many Thanks!

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[pentavolvo 10+ year member]

depends on the car. good odds its full range if you tap BEFORE the amp

 

[cyber5-0 10+ year member]

It's a 2008 Avalanche with Bose, Nav and Onstar.

 

[pentavolvo 10+ year member]

has clean low level outputs just tap in rcas either at back of radio or at inputs of bose amp

 

[shellfish 10+ year member]

hmm, i tapped a line out conv at the rear 6x9 in a saab

for a sub amp, now I'm worried its not getting the low frequencys

is this possible?

(its hard to tell because the subs are chit fusion pre amped lol)

its for a temp set up for a buddy

 

[cyber5-0 10+ year member]

Thanks for the feed back and input.

I figured the inputs would be full range but I'm trying to figure out if the Bose amp performs any x-over functions or just feeds full range to the front outputs.

I may have to use a LOC and plug it into my Mac laptop and measure the frequency range coming out of the outputs.

 

[pentavolvo 10+ year member]

odds are it is doing some filtering at front outputs, most likely cutting out the lowend

 

[shellfish 10+ year member]

i don't see why they would. the factory system doesn't have

a sub so filtering out low end would leave you with s***ty

sounding system.

 

[pentavolvo 10+ year member]

i thought the factory system had a sub my mistake, either way if your adding an amp tap before the amp no reason to tap after it

 

[Worlddre 5,000+ posts]

there is a factory sub in the center console you will see a 4 pin plug under the area where the cup holders sit. The plug will be towards the passenger side of the vehicle attached to the front most wall under the console. The will be two red wires with varying stripe colors and two green wires with varying stripe colors. Those are the sub wires.