[Hammarlund] 6C4WA for SP-600?

[Cecil Acuff]

My understanding is that they are the same....with the exception that the WA
is a more durable tube....typically used in the Mil. receivers....

Should work either direction unless I am missing something...

Cecil....
----- Original Message ----- 
From: "Jakub Jakubowicz" <grundigsat at yahoo.com>
To: <hammarlund at mailman.qth.net>
Sent: Sunday, October 10, 2004 6:31 AM
Subject: [Hammarlund] 6C4WA for SP-600?


> Hello,
> I would like to ask is 6c4wa tube suitable for SP-600
> in
> the place of factory mounted 6c4?
> I am asking because i see different internal apparance
> of thats tubes.
> I hear aslo that 6c4 will not working in r-390
> receivers in pace of 6c4wa, hence i think that are
> different tubes.
> Have anyone any experience in this matter?
> best 73
> Oskar
>
>
>
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