[MRCA] ART-13 811A vs 572B

[Al Klase]

Further,

 From the Svetlana 572B data sheet: "The Svetlana 572B may be used as a 
direct drop-in replacement in equipment designed for
the 811A, T160L or 572B."

Merry Christmas,
Al

On 12/23/2021 3:14 PM, B. Smith wrote:
> Here is Ludwell's  "Tube Lore" info on the 572B
> Z
> On 12/23/2021 8:34 AM, doran platt wrote:
>>
>> Is there any reason one cannot substitute decent 572B tubes for the 
>> 811A modulator tubes in the ART-13?   The form, fit, and specs are 
>> all OK.  I firmly believe they will work just fine but  are any 
>> different opinions?  The only reason I ask is that when I recently 
>> divested my large stock of tubes, I failed to retain any 811As as 
>> spares.  I do have spare 572Bs, however, as used in my AL-572 and 
>> SB-200 amplifiers.  TNX
>>
>> Jeep K3HVG
>>
>>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net
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