I'm wondering what RCA manual that is referenced in. I have an ET-4336F that
was built for the Royal Navy back in 1944 by RCA that uses two RCA 813's
mounted horizontally. So for shock, I still think they will be OK.
Steve, where did you get your data?
Mod-U-Lator,
Mike(y)
W3SLK
----- Original Message -----
From: "Steve Thompson" <g8gsq@eltac.co.uk>
To: <amps@contesting.com>
Sent: Saturday, May 27, 2006 1:46 PM
Subject: Re: [Amps] 813's
carl s. wrote:
> Can anyone tell me if the 813 tube can be used safely in the horizontal
> position ???
RCA data says not. Vertical only, either way up.
73, Steve
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