Hi Fernando,
3-500Z is direct heated which means you can start transmitting after a few
seconds. Running the amp for any longer period of time is just wasting
energy. Good luck!
73s Bert, VE3OBU
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of ec1cwg@dxhunters.com
Sent: Tuesday, April 26, 2005 10:32 AM
To: amplificadores list
Subject: [Amps] L7 Question
Hi there,
I´m a proud owner of an old Drake L7 amplifier. It has been working out
flawsely for 6 years here at my shack.
Just wondering what would be a reasonable period of time to heat it up
before applying any load. Since first day I got this amp, I let it standing
by for 5 to 10 minutes and then switch it for low voltage (1800V) and run it
for a couple of hours at low power (500 wts) before take it to its full
output limit (1Kw). No problems so far but a few days ago I talked to a
fellow ham with same amp who advice me to let the amp heating up for an hour
or so. For me this would be so much time but I haven´t found any details
about this on the manual that´s what I would like to ask here if you think
I´m reducing the life of my 3-500s. Thanks and 73s!
EC1CT Fernando
E-mail: ec1cwg@dxhunters.com
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