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everythings hooked up but no bass

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=88480
Printed Date: July 06, 2025 at 10:59 AM


Topic: everythings hooked up but no bass

Posted By: dcblackbird
Subject: everythings hooked up but no bass
Date Posted: January 06, 2007 at 4:48 PM

i finally got everything hooked back up in my car and i turn it on and the speakers work fine but not the subs, i crank it up and i get hardly any bass. i got a 4ga T splitter for my two mono amps and between the T and the capacitor i spliced in with some 8ga for my 4 way amp. i disconected it thinking it had something to with it but nothing... i think this happend to me the first time i hooked everything up and idk why.

the first time this happened, the speakers put out bass and the subs didnt and i did something to the wiring where the subs went and the speakers had no bass... so i was lacking in the mid's but at least i had bass.

can anyone help me here?



Replies:

Posted By: DYohn
Date Posted: January 06, 2007 at 5:00 PM
Uh, well, forget about the power connections and describe the system.  What's the HU?  What are the amps?  How are the amps connected to the HU?  What are the crossover settings?  What speakers are connected to what amps?  How are your gains set... in fact, if you "have no bass" did you even set the gain on the sub amp?

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Posted By: dcblackbird
Date Posted: January 06, 2007 at 5:45 PM

i have  an alpine CDA9856 HU, 2 solo baric 12'' L5's, 2 HiFonics Titan TX1005D'sfor my subs, a HiFonics Titan TX4405 4xchannel ampfor the speakers, Infinity Kappa 692.7i's in the back, and Infinity Kappa 462.7cfp's in the back

my level (gain) is set at about a quarter turn and its between 9 and .2 volts

phase 0





Posted By: dcblackbird
Date Posted: January 06, 2007 at 6:00 PM
and the connection beteewn my HU and amps is a tsunami capacitor. i get a green power light on all of them so ik they are powered. and i dont think the cap has anything to do with it becuase my 4channel is working, i think its my settings on the amp but when i adjusted them nothing happened...?




Posted By: DYohn
Date Posted: January 06, 2007 at 6:31 PM
Is the subwoofer output turned on inside the HU?

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Posted By: dcblackbird
Date Posted: January 06, 2007 at 6:47 PM
yes, the only way ik the sub is on is becuase i put my hand on it and felt it hardly moving




Posted By: hotwaterwizard
Date Posted: January 06, 2007 at 8:27 PM
Sounds like the speakers are out of Phase and they are cancelling eachother out. Reverse the wires on one of the subs.

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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !




Posted By: dcblackbird
Date Posted: January 06, 2007 at 8:49 PM

hotwaterwizard wrote:

Sounds like the speakers are out of Phase and they are cancelling eachother out. Reverse the wires on one of the subs.

meaning tka ethe current positive and put it to negative and negative to positive?





Posted By: aznboi3644
Date Posted: January 07, 2007 at 2:36 AM
are their rcas plugged into the sub amps??? lol




Posted By: dcblackbird
Date Posted: January 07, 2007 at 10:25 AM

aznboi3644 wrote:

are their rcas plugged into the sub amps??? lol

lol hahaha... yea





Posted By: aznboi3644
Date Posted: January 07, 2007 at 5:50 PM
ok just checking..

recheck your fuse...sometimes the fuse will still let the voltage show good at the amp but not pass any current




Posted By: geepherder
Date Posted: January 07, 2007 at 6:19 PM
Unplug one side of the rca's for the subwoofer amp (either left or right). If the bass "magically" appears, switch the wires going to one of the subs.

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My ex once told me I have a perfect face for radio.





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