one bass shaker two signals

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=111694
Printed Date: April 28, 2024 at 1:51 PM

Topic: one bass shaker two signals

Posted By: angelars
Subject: one bass shaker two signals
Date Posted: February 17, 2009 at 6:06 PM

We are going to be installing some bass shakers in our car. The one on the drivers side needs to have two signals going to it; the regular signal from the radio, and a signal from an auxiliary source (see graphic below). How do we isolate these two signals so that the radio signal doesn't effect the auxiliary source, and the auxiliary signal doesn't effect the radio source? I'm guessing a diode or maybe a relay would work, but if that's true then how would I wire it?

posted_image

Replies:

Posted By: i am an idiot
Date Posted: February 17, 2009 at 7:42 PM

You can not use a diode in this application. I am not clear on what you are wanting to do. Which one of the souces do you want to have priority over the other?

Posted By: angelars
Date Posted: February 17, 2009 at 8:09 PM

The stereo would be normally on, BUT when the auxiliary was turned on it would over ride the stereo signal (stereo would not be heard, auxiliary would).

Posted By: i am an idiot
Date Posted: February 17, 2009 at 8:19 PM

Does the aux unit provide a switched 12 volt wire when it is turned on?

posted_image

Posted By: angelars
Date Posted: February 17, 2009 at 9:14 PM

i am an idiot wrote:

Does the aux unit provide a switched 12 volt wire when it is turned on?

No.

I'm confused by your diagram. Are those wires power wires going to the amp, or speaker wires? The stereo is obviously stereo, but the aux is a MONO amp.

Posted By: angelars
Date Posted: February 17, 2009 at 9:19 PM

Looking at it I'm guessing that one relay is for the negative speaker signal, and the other relay is for the positive speaker signal? ...and those wires are the speaker output wires for the mono amp, and the left side speaker wires for the stereo, right?

Posted By: i am an idiot
Date Posted: February 18, 2009 at 4:55 AM

angelars wrote:

Looking at it I'm guessing that one relay is for the negative speaker signal, and the other relay is for the positive speaker signal? ...and those wires are the speaker output wires for the mono amp, and the left side speaker wires for the stereo, right?

You are correct.