[Amps] 5 Minutes for Ameritron 811H to warm up?

[Roger D Johnson]

What was breaking down? The 811 is a good tube but most hams believe the mfrs
claims and run them way beyond their ratings.

73, Roger


On 1/23/2015 7:09 AM, Alek Petkovic wrote:
> You said it in one Jim.
>
> If you buy a AL811, you deserve what you get.
>
> A guy local to me had two of them. One with three tubes and one with four. 
> They were forever breaking down and he usually brought them around for me to fix.
>
> In the end, I reminded him that he earned really good money and that he had a 
> really great station except for his amplifiers and that he should just dump 
> them and get something decent. Thankfully, he did. Dunno what he runs now but 
> I know it ain't the 811 amps.
>
> Alek
> VK6APK
>
> On 23/01/2015 7:24 PM, Jim Thomson wrote:
>> Date: Fri, 23 Jan 2015 13:37:00 +0800
>> From: Alek Petkovic<vk6apk at bigpond.com>
>> To: Amplifier Mailing List<amps at contesting.com>
>> Subject: Re: [Amps] 5 Minutes for Ameritron 811H to warm up?
>>
>> Yeah. Well that is strange. Blowed if I know what he means then.
>>
>> Thanks
>> Alek. VK6APK
>>
>> ## Buy it for a song..then spend 15 mins to repair it.  What takes 5 mins to
>> warm up, the fils...or the B+  ??    I think the xfmr in the 811 has the fil 
>> winding
>> built into the plate xfmr.  It could be some shorted winding issue, etc.   It 
>> could
>> also be a screwed up hv meter.
>>
>> Jim   VE7RF
>>
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>