Circulating air to a hot amp

 

Bronze Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 98
Registered: Jul-05
has anyone here hooked up computer fans or anything like that to circulate air to a amp in a small enclosure? my amp is in my rear tool box (durango) and am looking for ways of getting air back there. any ideas on how i could do this? thx
 

Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 8870
Registered: Dec-03
fans on both ends of the amp.
one end pulling air in, one end pushing air out.
the PAC CF-1 is a personal favorite for this.
sounddomain.com sells them.
 

Bronze Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 99
Registered: Jul-05
ok cool thanks...how do you power them? could i just run a wire to my power line that connects to the amp?
 

Silver Member
Username: Fordpwr

Los angeles, CA Usa

Post Number: 304
Registered: Dec-04
What I did was run a piece of flexible tubing from one of my rear floor outlets for the A/C to the amp rack in the rear of my SUV.I don't know if its bad for the amps or not. I don't think so.
 

Bronze Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 100
Registered: Jul-05
never thought of that. very good idea though, except what happens when its cold out and you have the heat on high and it starts to heat up?
 

Silver Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 101
Registered: Jul-05
Glass, i just bought 4 computer fans that im going to cut the adapters off of. Im thinking about jsut attaching the + to the power wire for my amp and just run a small 18 guage wire back to the - on the battery. will that work?
 

Bronze Member
Username: Spyder

Eglin AFB, Florida USA

Post Number: 49
Registered: Jun-05
just find a bare peice of metal as all metal on your car is ground.
 

Bronze Member
Username: Firlefanz

Post Number: 39
Registered: Jul-05
@ Jace, if i understood right, this would mean the fans will run constantly.

At the + terminal of the amp you constantly have power. When the remote gives the signal to the amp, power is allowed to run thru it.

Just go for a relay with a protection diode, connect this to the remote cable to switch the relay on and off, this allows the 12V + (which you might take from the amp or elsewhere) to power the fans.
 

Silver Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 103
Registered: Jul-05
The fans i bought have 3 wires. Black, red, and yellow. is the yellow a remote? because i might just be able to connect it to the remote for the amp. but if its not then where can i get a relay with a protection diode?
 

Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 8874
Registered: Dec-03
put a relay on the remote trigger wire, and use that to power the fans.
they'll turn on with the amplifiers, and off with them as well
ground to bare metal.
no need to go clear back to the battery
 

Silver Member
Username: Supraspyder420

Sammamish, Wa U.S.

Post Number: 104
Registered: Jul-05
very cool. thanks guys.
 

Bronze Member
Username: Mlongpre

Post Number: 32
Registered: Jun-05
i want to do something like that as well...but my fan only has two wires. What is a relay? and where would i get it?
 

Bronze Member
Username: Shocksyde

Post Number: 34
Registered: Apr-05
the 3rd wire on some computer fans is a RPM speed wire.

you will not need/use this wire in a car application
 

Gold Member
Username: Carguy

Post Number: 3762
Registered: Nov-04
You can get the 12v relay from any car audio shop, including walmart/Radio Shack etc.
Very cheap, around $5 or less.
You can use the remote wire as the "trigger" wire for it. Then use the relay to supply the power to amp's remote wire connector and other devices that need power/triggering.
 

Bronze Member
Username: Mlongpre

Post Number: 33
Registered: Jun-05
http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&product%5Fid=275-233

is that relay that you are talking about?
 

Bronze Member
Username: Mlongpre

Post Number: 34
Registered: Jun-05
or would it be this

http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&product%5Fid=275-226
 

Gold Member
Username: Carguy

Post Number: 3764
Registered: Nov-04
The 2nd link is the one. That's not a good price at all. Here in Canada, you can get that same product for $5.99 CDN. So in us, it should be $4.50.
Anyhow, it should be very simple to connect.
 

Bronze Member
Username: Mlongpre

Post Number: 36
Registered: Jun-05
where in canada would you get it? i go to school in toronto, living here in nashville for the summer.
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