Bass from left side only.

In Car Entertainment stuff (speakers/stereo/sat nav/etc...).

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Kylegypo
Learner Driver
Posts: 71
Joined: Tue Oct 20, 2009 2:38 pm
Currently Drives:: Extreme blue, Renault Megane Sport Hatch 1.9dCI

Bass from left side only.

Postby Kylegypo » Fri Oct 25, 2013 10:29 pm

Hi.
To put it simply I have 4 speakers and a sub in my Megane II 1.9dci dynamique. When I balance the audio to the right hand side of the car (for test purposes) I get zero bass. Even the sub stops outputting sound completely. My headunit is an Alpine iDA-X303 with a KTP-445A (In line amplifier). Could this be a polarity issue? But if so why no sub?

I appreciate your help.
Kyle

roganp
Passed Theory
Posts: 36
Joined: Fri Apr 26, 2013 11:36 am
Currently Drives:: Kia Carnival babybus, Megane 2hatch
Location: Auckland, New Zealand

Re: Bass from left side only.

Postby roganp » Sun Oct 27, 2013 11:05 am

What's powering the sub? presume there's a separate amp for that. My guess is the sub amp is hooked up to the left subout RCA only. Look for a setting in your headunit for mono sub output or run a pair of RCA and sum the signal at the amp.
Why there's no midbass is a different story. Won't be polarity cos cancellation only occurs when both sides are playing


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