Desperate for help
Thread Starter
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Joined: Mar 2008
Posts: 67
Likes: 0
From: Toronto Ontario
Desperate for help
Hello everyone,
So I finally went to an audio shop and had my system installed professionally. Here is what I have:
Kenwood dnn990hd with:
Alpine Mrp-F600 powering 2 Pioneer Ts-sw2501/s4 (4 ohms 2 channels bridged 300w each)
Another Alpine Mrp-F600 powering Focal 165KRX2 in front (150wx2 at 2ohm) and a pair of polk db521 (100wx2 at 4ohm)
I have installed a 270 xp alternator and an optima yellow top battery. They also ran 0 gauge kolossus flex cable for both power and ground back to the battery.
The problem is that I have an 05 Corvette Convertible and the amps are in the trunk with the sub box causing them to overheat and cut out after 20-30 min.
Can anyone recommend a solution to this problem as I am not enjoying the system that I paid thousands to listen to and the stereo shop is not offering any solutions other than telling me I need to go to class d amps which I really don't want to do
This might be a good question for Dennis from DoubleDMods?
So I finally went to an audio shop and had my system installed professionally. Here is what I have:
Kenwood dnn990hd with:
Alpine Mrp-F600 powering 2 Pioneer Ts-sw2501/s4 (4 ohms 2 channels bridged 300w each)
Another Alpine Mrp-F600 powering Focal 165KRX2 in front (150wx2 at 2ohm) and a pair of polk db521 (100wx2 at 4ohm)
I have installed a 270 xp alternator and an optima yellow top battery. They also ran 0 gauge kolossus flex cable for both power and ground back to the battery.
The problem is that I have an 05 Corvette Convertible and the amps are in the trunk with the sub box causing them to overheat and cut out after 20-30 min.
Can anyone recommend a solution to this problem as I am not enjoying the system that I paid thousands to listen to and the stereo shop is not offering any solutions other than telling me I need to go to class d amps which I really don't want to do
This might be a good question for Dennis from DoubleDMods?
Advanced
Joined: Sep 2011
Posts: 63
Likes: 2
From: Rochester MN
As I look at it, you have 800 watts of amps in the trunk. The problem is that the trunk of a convertible has no air flow and is rather small. The 800 watts of amps can not dissipate heat. Keep in mind that a large part of the 800 watts ends up as heat, thus the large heat sinks on the amps. The only suggestion I can think of is to open up those deep wells in the trunk to out side air and put in a couple of fans, one in and one out. With no air flow over the amps, they will heat up quickly.
Regards
Regards
Former Vendor
Joined: Feb 2007
Posts: 17,337
Likes: 39
From: Birmingham, AL www.hinsonsupercars.com 205-909-9402
Sounds like you have adequate size wire for power delivery and ground so at this point you are fighting the air circulation issue. I'm with pfic06 ....... Fans are the nest step.
Racer
Joined: Dec 2013
Posts: 355
Likes: 7
From: Cherry Hill New Jersey
Have to agree with them, airflow is the key, And going to another class amp wont change the air flow issue, the heat has no where to go. I use to do stereo installs many years ago mainly as a hobby and then it became a way to extra money.
I had 1800W (2 amps) in my 86 thunderbird with 27 speakers in various ranges, I mounted both onto a 1/2 particle board and had them in the spare tire well with a board cut out to cover it. I installed 4 4" fans on either side of the heatsinks blowing on the amps, never shut down on me except in extreme heat (When outside was near 100) when I cranked it really really loud.
The shutdown is the internal heat circuit trying to protect the amp from burning up, but becareful because this could also damage the tracer wire in the amp which could damage the amp.
I had 1800W (2 amps) in my 86 thunderbird with 27 speakers in various ranges, I mounted both onto a 1/2 particle board and had them in the spare tire well with a board cut out to cover it. I installed 4 4" fans on either side of the heatsinks blowing on the amps, never shut down on me except in extreme heat (When outside was near 100) when I cranked it really really loud.
The shutdown is the internal heat circuit trying to protect the amp from burning up, but becareful because this could also damage the tracer wire in the amp which could damage the amp.
