[Amps] Alpha 76A drive levels...
Carl
km1h at jeremy.qozzy.com
Tue Jan 1 21:24:46 EST 2019
As low as required to peak the output at 1200W, about 30-40 ma total with
used tubes at 60W or so.
I bought this amp as a basket case, bad tubes, transformer, bandswitch, etc,
so do not know what it did when new.
Carl
----- Original Message -----
From: tz4am at aol.com
To: km1h at jeremy.qozzy.com ; amps at contesting.com ; wa6fgi at steeltrails.net
Sent: Saturday, December 29, 2018 11:02 AM
Subject: Re: [Amps] Alpha 76A drive levels...
Carl,
Thanks for the information. What is the grid current reading at 1200w?
Jeff
TZ4AM
-----Original Message-----
From: Carl <km1h at jeremy.qozzy.com>
To: amps <amps at contesting.com>; Gary Smith <wa6fgi at steeltrails.net>
Sent: Sat, Dec 29, 2018 2:59 pm
Subject: Re: [Amps] Alpha 76A drive levels...
Alpha offered a low drive mod for that series of amps, check their legacy
amp docs.
My 76PA 3 holer will easily run 1800W with100W drive, I back it down for
1200W.
Carl
----- Original Message -----
From: "Gary Smith" <wa6fgi at steeltrails.net>
To: <amps at contesting.com>
Sent: Sunday, December 23, 2018 5:06 PM
Subject: [Amps] Alpha 76A drive levels...
> To the group:
>
> Have a friend who recently purchased a Alpha 76a two-holer.
>
> He currently is driving it about 65 watts getting 500 watts or so output.
>
> As he has no instructions on the amp, is this low level of drive okay or
> should it be driven at a higher level of input power.
>
> Thanks to the group,
>
> Gary...wa6fgi
>
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