Thank you for the information.
73
Budi
YB1BS
________________________________
From: Jim Barber <audioguy@charter.net>
To: budi santoso <yb1bs@yahoo.co.id>
Cc: amps@contesting.com
Sent: Sun, January 10, 2010 4:36:07 AM
Subject: Re: [Amps] alpha 76a
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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