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amplifier overheating problem


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skateit_12 
Member - Posts: 34
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Joined: April 22, 2009
Location: Ontario, Canada
Posted: November 10, 2009 at 3:23 PM / IP Logged  
Im looking in to buying the same amp...is there another amp you wourld reccomend thats rated 1000 rms at 2 ohms?
skateit_12 
Member - Posts: 34
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Joined: April 22, 2009
Location: Ontario, Canada
Posted: November 10, 2009 at 10:57 PM / IP Logged  
Now I found out it is fairly common for this amp to overheat, how should I wire this to prevent it.. would you reccomend me wire in a series to run at 8ohms? How much power will i lose?
ragsports 
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Joined: March 17, 2008
Location: Michigan, United States
Posted: November 11, 2009 at 8:08 PM / IP Logged  
Sure you can wire it in series to create an 8 ohm load, you will usually lose around half the power output but in turn your amplifier will run cooler, and will create less distortion.
Garbage in EQUALS Garbage out...
oldspark 
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Joined: November 03, 2008
Location: Australia
Posted: November 11, 2009 at 10:23 PM / IP Logged  
If its designed for a 2 Ohm load, it may not like 8 Ohms - it depends on its design.
Is the power rating an RMS Wattage?
Or - what input fusing does it have (eg - 2 x 60A)?
i am an idiot 
Platinum - Posts: 13,670
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: November 12, 2009 at 5:47 AM / IP Logged  
It is stable anywhere down to a 2 ohm load.  It would be the same exact situation as driving your 1 ton pickup around town, having only 500 pounds of cargo in the bed.  An 8 ohm load wil be fine.
skateit_12 
Member - Posts: 34
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Joined: April 22, 2009
Location: Ontario, Canada
Posted: November 15, 2009 at 5:07 PM / IP Logged  
oldspark wrote:
If its designed for a 2 Ohm load, it may not like 8 Ohms - it depends on its design.
Is the power rating an RMS Wattage?
Or - what input fusing does it have (eg - 2 x 60A)?
yes the power is rms, and has 4 25a fuses
dave231 
Member - Posts: 2
Member spacespace
Joined: November 16, 2009
Posted: November 16, 2009 at 10:56 AM / IP Logged  
A couple of things:
1. Check the gauge of the ground cable from your battery to the frame many manufacturers only use 10 gauge, upgrade it, remember the smallest gauge wire in the system will cause the entire power circuit to act as if it is that gauge.
2. Individually check the ohm loads of each coil on the speaker, I've seen many a time when one coil was "going bad" especially under load creating a load that wasn't heavy enough for the amp to go into protection but would generate a lot of heat.   
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