Maybe time to see what the anode temperature is but Id think 1000W out would
be fine.
Carl
KM1H
----- Original Message -----
From: "Al Kozakiewicz" <akozak@hourglass.com>
To: <amps@contesting.com>
Sent: Wednesday, April 06, 2011 8:35 PM
Subject: Re: [Amps] Alpha vs Henry
> 1500 watts continuous for 30 minutes; 2500 for 30 seconds.
>
> Even if I do nothing but call CQ every 2 seconds, that's probably "only"
> about a 60% duty cycle. I'm just trying to get a feel for how much
> derating is prudent when using the thing for extended periods of time.
>
> 73
>
> Al
> AB2ZY
>
> -----Original Message-----
> From: Carl [mailto:km1h@jeremy.mv.com]
> Sent: Wednesday, April 06, 2011 5:37 PM
> To: Al Kozakiewicz; amps@contesting.com
> Subject: Re: [Amps] Alpha vs Henry
>
> What does Ameritron say?
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Al Kozakiewicz" <akozak@hourglass.com>
> To: <amps@contesting.com>
> Sent: Wednesday, April 06, 2011 5:05 PM
> Subject: Re: [Amps] Alpha vs Henry
>
>
>> Can anyone tell me how much power an AL-1500 is rated to produce at a
>> 100%
>> duty cycle?
>>
>> During RTTY contests and outputting about 1000 watts, the tube side of
>> the
>> cabinet gets mighty warm. The power supply side seems cool - but then,
>> that's with the cover on. I don't know how hot is too hot and it would
>> be
>> useful to know at least how much continuous power the supply is rated
>> for.
>>
>> Tube cooling is probably another issue...
>>
>> Al
>> AB2ZY
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>
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