I don't have a manual on the 417, but if it uses external anode tubes
like the Titan 425, it must have a centrifugal blower that produces 10
or 15 cpm at probably 3/4 or 1" water column pressure. The best muffin
fan will produce .05 or .1" water column pressure. That muffin fan won't
help cool that PA significantly, unless its a HUGE muffin fan. It might
actually restrict the air flow and cause the PA to run hotter. The 425
has a fan speed switch that's set to low for SSB and CW and high for
RTTY. If run on high for SSB and CW it will be noisier, but the air flow
will be greater and so the air will come out cooler.
You might need to adjust the operating position to give more than a 5"
space above the air outlets to keep things cooler above the PA.
73, Jerry, K0CQ
On 7/21/2010 10:03 PM, John Molenda wrote:
> Hello All , I have a Ten tec titan III amp model 417. I have a muffin fan I
> would like to use to dissipate heat inside the amp can anyone confirm that
> the air intake is on the right side ? If I force a little bit of air at the
> intake would that put the air in the blower or just inside the box. how
> about using a nice flat heat sink on top of the amp ? Just looking to add
> some cooling to the amp because of the installation could be better It sits
> on a glass desk with about 2 feet of space on the right side and 6 inches on
> the left side and only 5 inches above the amp another glass table sits above
> the amp and gets pretty hot so I am wondering if the amp has enough
> ventilation . any ideas will be greatly appreciated as I would like the amp
> and tubes to last for ever I just love this amp . John kb2huk
>
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