Sub install
#1
05-21-2006 | 10:25 AM
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Sub install
I put in my Eclipse head unit in my car yesterday(this is the 5th car I have put in into) I added a 10' sub and a small 250W Sony amp. So the problem is that the sub produces bass for the first 1-3 minutes and then it stops? all of the wiring is tight... If I turn the head unit off and then right back on, the bass returns for another 1-3 minutes. Any ideas what is wrong?
#5
05-21-2006 | 12:45 PM
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Originally Posted by Justin99gtconv
sounds like its getting hot and tripping a circuit breaker somewhere
#6
05-21-2006 | 01:50 PM
Senior Member
Joined: Jul 2005
Posts: 5,796
From: Downingtown/West Chester, PA
u need to make sure that the amp is supplying enough watts to the sub...if the sub requires more watts than the amp can give...the amp will overheat....
and sony amps are well made for non show cars..i have 2 12" subs w/ a 1200 watt amp conected to all of my speakers...
and sony amps are well made for non show cars..i have 2 12" subs w/ a 1200 watt amp conected to all of my speakers...
#7
05-21-2006 | 02:37 PM
46MONSTER
Joined: Jan 2006
Posts: 2,208
From: Wheaton, IL
Originally Posted by zigzagg321
Ok, but hot after 1 or 2 minutes?? that doesnt seem right. I check it after it stops working and it is warm...not any warmer than any other amp I have had. I probably shoulda not gotten this cheapo amp maybe. It was $70. get what you pay for?
#9
05-31-2006 | 03:52 PM
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Originally Posted by the gillz
check to make sure you have all the wiring correct on the INSIDE of the box for the subs. if it is wrong you can have problems like you are experiencing. happended to me before.
#10
05-31-2006 | 06:42 PM
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Joined: Jul 2005
Posts: 5,796
From: Downingtown/West Chester, PA
Originally Posted by zigzagg321
Yeah its all correct...only one 10'' sub and only the + and - hook up...the connectors make it impossible to plug it in wrong as they are different sizes...I really think my ground connection sucks. Thanks for the reply.
#11
05-31-2006 | 07:21 PM
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Originally Posted by PureStang
if ur ground sucked...the there would not be any current going thru the amp..if theres not current going thru the amp...no overheating....make sure the amp can supply enuf current to the amp...
EDIT: after some research--
I think because I pirated this 10inch sub from the mtx thunderform I had in my Ranger, the ohm rating of the speaker may be weird and require a certain type of amp. The run of the mill Sony amp I am using may not match the speaker specs well enough to work without overheating.
#13
05-31-2006 | 09:02 PM
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Originally Posted by stevemainian
Does the amp have a safe mode, if so, it sounds like thats coming on after a few minutes. A loose ground would just go out at random times, or just not work at all.
#14
06-03-2006 | 07:17 PM
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It works now...note: per MTX...all subs that come inside any amplified thunderform enclosure require an amp capable of .75 ohms. Most normal amps are good for 4-8 ohms. I got a Rockford Fosgate Punch rated at 4 ohms and the thing works like a charm...cheap too.
#16
06-06-2006 | 10:39 AM
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Originally Posted by lizardbreath
It's your amp....something is overheating @ one of the connections.
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