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Re: [Amps] Cetron 811a.

To: Carl <km1h@jeremy.mv.com>
Subject: Re: [Amps] Cetron 811a.
From: "Ulf (SM0NOR)" <ulf@sm0nor.com>
Date: Tue, 6 Dec 2011 22:57:23 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Thanks Carl.  Good advice.
And yes, I do have the glitch...


73's

Ulf (SM0NOR)
ulf@sm0nor.com



On 6 dec 2011, at 22:30, Carl wrote:

> The US built 811's usually dont need any special handling but Id still be 
> sure to have a glitch resistor in the HV, the cover off and one hand on the 
> power switch as no tube is impervious to gas arcs. However 1988 isnt that old 
> and Cetron built excellent tubes.
> 
> Carl
> KM1H
> 
> ----- Original Message ----- From: "Ulf (SM0NOR)" <ulf@sm0nor.com>
> To: "Amps reflector" <amps@contesting.com>
> Sent: Monday, December 05, 2011 5:36 PM
> Subject: Re: [Amps] Cetron 811a.
> 
> 
>> No takers?
>> This ought to be a very simple question :)
>> 
>> 
>> 73's
>> 
>> Ulf (SM0NOR)
>> ulf@sm0nor.com
>> 
>> 
>> 
>> On 4 dec 2011, at 11:23, Ulf (SM0NOR) wrote:
>> 
>>> Hi all,
>>> 
>>> I recently bought 4 Cetron 811a from Nebraska Surplus, date coded 1988.
>>> I intend to put them into a home brewed amp that is real close to smoke 
>>> testing.
>>> Is there any start up procedure that is recommended for NOS 811:a? I have 
>>> not come across any recommendation regarding this so far. But before, I put 
>>> them in and apply filament and HV, I thought i'd ask here.
>>> 
>>> Thanks!
>>> 
>>> 
>>> 73's
>>> 
>>> Ulf (SM0NOR)
>>> ulf@sm0nor.com
>>> 
>>> 
>>> 
>> 
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