Thanks Jerry I appreciate your answer . I agree that is what I should do I
guess some housekeeping in the shack is called for . John kb2huk
----- Original Message -----
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
To: <tentec@contesting.com>
Sent: Tuesday, July 27, 2010 9:47 PM
Subject: Re: [TenTec] need info on TT Titan III model 417 amp
>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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