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In Reply to: RE: How hot is too hot? posted by Chip647 on June 02, 2017 at 16:46:12
Another way to make vents is the use a hacksaw and cut several slots on one angle of the bottom, then on the opposite side at the top.
The cross flow will certainly cool it down.
I did this on a headphone amp using (3) 6SN7GT.. IT was much cooler afterwards.
Cutting across the angle makes it easy to do.
The bottom is open and the chassis is on 1/2" high feet. I think the only place left for more vents are the side panels.
When I build amps these days I raise the top plate off the side panels with a washer at each screw, enough for air to escape. It's a bit hard to tell from your photo, but you might be able to raise your top plate a tiny little bit, either with washers on the screws or some other mechanism. If you can get some air moving through the small gap then the total for all four sides would be considerable and it will be virtually invisible.
I like the sound of that Ray. Simple, but possibly quite effective. I will see what I can do. Thanks!
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