[Amps] alpha 76a

[Jim Barber]

That's about what I get from mine.

Which reminds me - I haven't had power on it for a couple of years. I 
wonder if anything will go 'bang' when I turn it on...

73,
Jim, N7CXI

budi santoso wrote:
> Hi
> I am restoring an alpha 76a 2 tube version, which I got in bad condition.
> After repairing  power supply and control circuit I am able to run the linear amp.
> 
> The working condition for 2 3cx400a are :
> 
> Pout        Pin        Vanode    Ianode    Igrid     Eff.
> watt        watt        volt           mA        mA       %
> 
> 1000          85        2000        720        30        70
> 800            65        2050        600        22        65
> 600            50        2000        520        15        55
> 400            35        2000        400        10        48
> 
> Power output and input measured using Bird with 1000w and 250 W slug, I think accurate.
> Voltage and current measured using internal meter ( I have no equipment to callibrate )
> 
> Is the tube condition good enought ?
> 
> Thank's
> 
> Budi
> YB1BS
> 
> 
>       
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