odd stereo problem.

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DudebuD
Posts: 55
Joined: Fri Jan 18, 2008 1:19 pm

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Specs of what i have to start off:

1993 Nissan 240sx LE w/ active speaker systemAlpine MRP-M500 amp(mono)Alpine CDA-9884 decksome 10' pioneer sub.

So the previous owner hacked up the wiring harness for the deck so i had to go wire to wire from the harness to the deck. Now everythings looks correct to me, and i looked over some manuals in regards to the proper wiring and its all hooked up correctly. The speakers are hooked directly up to the deck as well.

The problem is this. When i put the deck in tuner mode(radio) sound comes out of the speakers but the subwoofer barely works. I change the mode to CD or ipod and all i get is a s***load of bass and nothing out of the speakers.

The hell is wrong? If you need anymore info diagnose this let me know. If its something to do with active speaker system, then enlighten me. Im lost as to why this happened.


DudebuD
Posts: 55
Joined: Fri Jan 18, 2008 1:19 pm

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im also putting in 6.5" alpine type-r 2 way speakers all around, so will this negate the problem pretty much? and will i have to run new wire to bypass the factory amp?

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Uberck
Posts: 1257
Joined: Sun Jun 10, 2007 4:48 am
Car: 240sx
Location: Boston, MA

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is the 10' from wal mart by any chance? i got 2 10' walmart pioneers in the back. nope dont need to run new wires. heres how i did it a few years back. zerothread?id=52883also if your stereo has rca outputs for the subs use those. on my stock radio i tried using the high signal inputs on my amps and had nothing but problems

DudebuD
Posts: 55
Joined: Fri Jan 18, 2008 1:19 pm

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dont know, my uncle gave it to me. definitely isnt from wal mart though.i came across that thread as well, thanks though. It does have RCA outputs for the sub and thats what im using.

my problem seems to be pretty unique though as most people just dont get any sound at all.

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Simmsled
Posts: 877
Joined: Sun Nov 24, 2002 11:25 am
Car: TSI GTI - E46 325i
Location: Indy

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DudebuD wrote:Specs of what i have to start off:

1993 Nissan 240sx LE w/ active speaker systemAlpine MRP-M500 amp(mono)Alpine CDA-9884 decksome 10' pioneer sub.

So the previous owner hacked up the wiring harness for the deck so i had to go wire to wire from the harness to the deck. Now everythings looks correct to me, and i looked over some manuals in regards to the proper wiring and its all hooked up correctly. The speakers are hooked directly up to the deck as well.

The problem is this. When i put the deck in tuner mode(radio) sound comes out of the speakers but the subwoofer barely works. I change the mode to CD or ipod and all i get is a s***load of bass and nothing out of the speakers.

The hell is wrong? If you need anymore info diagnose this let me know. If its something to do with active speaker system, then enlighten me. Im lost as to why this happened.
Your Alpine has source specific audio level adjustments. Check your bass/sub output for each source. Make them both the same. That should help.



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