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Amps in hot weather

dave1701

dave1701

Active Member
I may have to run my little stereo amp in 90 degree weather outside when I have my party. Will it be OK in the heat? It is an Onkyo tx-903. I haven't noticed it getting really hot inside but I have never had it outside in 90 degree heat. Should I be worried about this?
 
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one more reason silver is more awesome ...it would reflect more heat vs absorbing it like black stuff:D

but yeah...i'd think as long as you keep out of direct sun light you'd be fine.
 
Keep it shaded and use heavy wires and tape the connection up. This is to help if something was to happen to the connections. Put a pancake fan at least on it.

I be more worried about someone turning it up to eleven when Free Bird is on!




Barney
 
Vintage amps do not like heat.

Or humidity.

Vintage amps: it would also be advisable to let the amp have 'breathing room', I.E. don't stack it. Just makes sense really.


Oerets said:
1..Keep it shaded and use heavy wires and tape the connection up.
2. Put a pancake fan at least on it.
3. I be more worried about someone turning it up to eleven when Free Bird is on!
Barney
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All excellent points!!

If you like the amp...keep it in the house.

Use a boombox outside!!
 
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I'd just keep it in the shade to avoid the temperature rise on a black finish.

I wouldn't worry about a high ambient outside temperature. Even though higher heat isn't great, the set would probably run cooler outside, just because theirs a lot more air flow outside. I think air flow is a much bigger influence on heatsink temperature than the difference in ambient temperatures.
 
A mosfet amp will be fine.

Just take a look at car audio. That stuff sits out in your rolling greenhouse with no ill effects.
 
situate it low down and well ventilated .monitor it regularly by feeling case temp . if its getting too hot turn down the bass and maybe the vol a tad .
 
Oerets said:
Put a pancake fan at least on it.
Click to expand...

image-2-for-coleen-01-03-2011-gallery-682543549.jpg
 
What speakers are you going to be powering? If they are rated 8 ohms (or higher), you should be fine as long as you give the amp plenty of breathing room. I run several vintage receivers/amps around here (central Texas) in a non air conditioned house (lots of fans!), with indoor daytime temps often approaching 90.
 
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Same here. It has been really hot here in Colorado lately and the temp is sometimes over 85 indoors. Doesn't bother the amp at all.

If you are worried just try to keep it in the shade and see that the ventilation is good (a good breeze or a small fan).
 
ranch 22b said:
What speakers are you going to be powering? If they are rated 8 ohms (or higher), you should be fine as long as you give the amp plenty of breathing room. I run several vintage receivers/amps around here (central Texas) in a non air conditioned house (lots of fans!), with indoor daytime temps often approaching 90.
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I am running RtR series IV model Cs, they are 8 ohm speakers. I reckon I wont have to turn the amp past 2/3 to 3/4 volume.
 
I have run some of my gear at parties in the past and will do it again someday. You just need to keep an eyeball on it. Can be a pain but get someone you trust to help out too.

Barney
 
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