[Amps] 811A

[Hsu]

Chinese 811A is a very short life tube.
   I had  repair some AL811 what using Chinese 811A. The tubes only use few hours,but needs replace.
   I have ask some doctors what  operate the medical machine( using 811A too),  they told me  the tube life only have 3 months ( monday to friday, 8 hours/day), only 
400hrs.
  I want to know, what about other brand 811A in AL811 or 811H? 

       73!Hsu
----- Original Message ----- 
From: "Carl" <km1h at jeremy.mv.com>
To: "Paul Kraemer" <elespe at lisco.com>; "AMPS" <amps at contesting.com>
Sent: Sunday, September 18, 2011 7:52 AM
Subject: Re: [Amps] 811A


> Taylor is Chinese as are most other brands.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message ----- 
> From: "Paul Kraemer" <elespe at lisco.com>
> To: "AMPS" <amps at contesting.com>
> Sent: Saturday, September 17, 2011 5:51 PM
> Subject: [Amps] 811A
> 
> 
>> Hello all
>> I realize this has probably been covered before but---
>> Someone asked me if Taylor 811-A were Chinese or Russian?
>> Does it matter? They have the Taylor name
>> Or, is there a hands down better choice for use in a 30L-1(tubes 
>> horizontal,
>> plates in vertical plane)
>> Thanks
>> Paul K0UYA
>>
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