I have built 8 amplifiers with water cooling. I can testify that it is much
more effective than air cooling, and with less noise. There is a much
simpler way to do it than shown in the video (although it is a great job!).
I braze copper tubing onto the bottom of the heat-spreader. Pumps and
radiators are all available on eBay and if you do your tubing right, you
will never get any coolant leak. I use distilled water with 20% glycol.
73,
George,
AA7JV/C6AGU
On Wed, 14 Jul 2021 14:26:19 +1000
Adrian <vk4tux@gmail.com> wrote:
Watercooled. This is a great watch ;
https://www.youtube.com/watch?v=2d_rkfj05mI
On 14/7/21 1:57 pm, Jim Brown wrote:
On 7/13/2021 7:04 PM, john@kk9a.com wrote:
And what is the KPA1500 fan noise level at 90°C?
LOUD!
Jim
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