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Subwoofer Problem

post #1 of 3
Thread Starter 
I am having a problem with my setup, which i bought here from crutchfield and had my local car audio shop install. Quick overview:

AMP:
  • 60 watts RMS x 2 at 4 ohms (150 watts x 1 bridged at 4 ohms)
  • built-in low-pass filter (80 Hz fixed, 12 dB/octave)
SUB:
  • power range (per sub): 50-175 watts RMS (700 watts peak power)
  • frequency response: 35-1,000 Hz
  • sensitivity: 90 dB

First problem I'm having is that it isn't as loud as it used to be. This has happened before and the shop said the RCA cable was bad, fixed that with a Y-Splitter, worked fine until recently. Now it seems in order for it to work I need to unplug the splitter and plug it back in whenever i start my car.

Second problem is that on my aftermarket stereo I have, The only way that I can adjust my bass is by adjusting my rear speakers. I have separate settings for my sub and rear speakers but only my rear speaker settings are affecting my sub.

Still learning as I go, don't know a lot, any help is appreciated guys!
post #2 of 3
Quote:
Originally Posted by blckninja View Post

Second problem is that on my aftermarket stereo I have, The only way that I can adjust my bass is by adjusting my rear speakers. I have separate settings for my sub and rear speakers but only my rear speaker settings are affecting my sub.

Have the local shop hook up the RCA amp inputs to the sub-out on your aftermarket radio. It sounds like they have it hooked up to the rear-out currently. Also have them double check the amp's remote turn on, you shouldn't have to unplug something every time you start the car.

My guess on the loudness would be the difference between a stereo or mono signal - and a y-adapter or using the sub-out from the radio should fix that. What aftermarket radio do you have?
post #3 of 3
Thread Starter 
A note I forgot to mention, i'm only using one amp and one sub, the sub is currently bridged, both are 4-ohm stable

Haha yah, I shouldn't have to unplug it but most of the time I do, hopefully correcting that radio head issue will help. The radio I have is the PIONEER DEH-P980BT
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