[Amps] filament tube life, turn on's and time on target

[Artmouton]

Switch has been broken on the MLA 2500 for some time, I have a direct 
replacement spare, but I just turn on the Amp from the switch on the 220V 
Line wall plug that I had installed when I built the ham shack
Art K5FNQ

----- Original Message ----- 
From: "Steve Thompson" <g8gsq at eltac.co.uk>
To: <amps at contesting.com>
Sent: Saturday, March 01, 2008 1:43 AM
Subject: Re: [Amps] filament tube life, turn on's and time on target


>> To amplify what Carl said technically and Colin's statement, I would just 
>> add
>> that life is too short. Go ahead and use the amplifier as you need to and 
>> want
>> to.
>
> My main fear would be for the on/off switch. The repeat inrush
> current could see it off - I'd suggest leaving it on and adding an
> external boxed switch which could be generously rated and would be
> easier to replace if the need arose. In that box I also added step
> start and wiring to allow the fan to run for a while after the amp
> was shut down.
>
> Steve
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