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hurtado_roberto 
Copper - Posts: 196
Copper spacespace
Joined: July 30, 2004
Location: United States
Posted: October 13, 2004 at 10:50 AM / IP Logged  

I have a RF P8002 and I noticed one day after pushing my sistem hard that the chrome piece was really hot.  Does it serve as a heat sink or just cosmetics?  Would it be alright if I took it off? 

My 3 amps, 2nd battery, eq, and wiring are secured inside the wheel well.  It's not completly air tight and the subs provide some flow when pushed hard.  Do you think I need an auxilary fan.  What are some factors to consiter when purchasing one?  Which ones do you recommend?

Poly Dollies
DYohn 
Moderator - Posts: 10,741
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: October 13, 2004 at 12:21 PM / IP Logged  

The "chrome piece" is part of the amplifier's heat sinks.  Do not take it off.  Is your 2nd battery properly vented? 

If you add a fan be sure to use a relay to switch power to it and be sure it is positioned away from signal leads so as not to induce noise.

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Ravendarat 
Platinum - Posts: 2,806
Platinum spacespace
Joined: February 23, 2004
Location: Canada
Posted: October 13, 2004 at 8:01 PM / IP Logged  

If its the new model of RF amps it is simply cosmetic, if its the old style then its part of the heat sink.

double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April 11, 2002
Location: United States
Posted: October 13, 2004 at 9:36 PM / IP Logged  
i normally use computer power supply fans thier inexpensive and easy to use, you can run them off a swithed ig source or use a relay to use your remote power source
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hurtado_roberto 
Copper - Posts: 196
Copper spacespace
Joined: July 30, 2004
Location: United States
Posted: October 14, 2004 at 12:36 PM / IP Logged  

Yes, the p8002 is the new model.  How do you know what size fan to get or do you just guess.  How many cubic feet per minute?  Are there computer fans that have alternating speeds varing with voltage?

My 2nd battery is a altima blue top battery which is sealed/spill proof.  Do I really need ventelation for that?  Does the battery really produce huge amounts of heat like the amplifiers?

Poly Dollies

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