[Amps] Alpha vs Henry

Dave Hachadorian k6ll at arrl.net
Wed Apr 6 14:35:18 PDT 2011


I run the AL-1500 blower at max speed.  No problems after many 
years of RTTY contests.  I run 750 ma plate current on RTTY.


Dave Hachadorian, K6LL
Yuma, AZ




-----Original Message----- 
From: Al Kozakiewicz
Sent: Wednesday, April 06, 2011 2:05 PM
To: amps at contesting.com
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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