Yeah, but it made the power spec in final test!
Carl
KM1H
----- Original Message -----
From: "Alek Petkovic" <vk6apk@bigpond.com>
To: <donroden@hiwaay.net>; <amps@contesting.com>
Sent: Thursday, June 25, 2009 6:19 PM
Subject: Re: [Amps] 'gettering 572B'
> Ha ha. Try 7.1V for the AL-811H.
>
> No wonder there's such a good market for 811A and 572B tubes here in
> Australia.
>
> 73, Alek
> VK6APK
>
>
> At 12:53 AM 26/06/2009, donroden@hiwaay.net wrote:
>>I think it is more important to keep filament voltage at or below 6.3vac.
>>Before modification, mine on a 30L-1 was over 6.9 standby and 6.7 under
>>load.
>>
>>Don WA4NPL
>>
>>
>>
>>
>>Quoting Roy <royanjoy@ncn.net>:
>>
>> > Svetlana states its 572B has getter on the plates. Needs only to
>> be operated
>> > under power.
>> >
>> > 73, Roy K6XK
>> >
>> >
>> > _______________________________________________
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>> > Amps@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/amps
>> >
>>
>>
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>
> http://www.qrz.com/vk6apk
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>
>
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