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Re: [Amps] Alpha vs Henry

To: "amps@contesting.com" <amps@contesting.com>
Subject: Re: [Amps] Alpha vs Henry
From: Al Kozakiewicz <akozak@hourglass.com>
Date: Wed, 6 Apr 2011 20:35:30 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
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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> Amps@contesting.com
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