[R-390] 12BY7 in my R-390A

[Walter Wilson]

The 12BH7A works fine with two added wire jumpers under the socket to
allow this less expensive substitute.  I'm not sure about the 12BY7
that you've listed.

More info here:
http://r-390a.us/R-390A_Modifications.htm

Walter - KK4DF

On Dec 5, 2007 9:28 AM, Rasputin Novgorod <priapulus at yahoo.com> wrote:
> Hi All:
> I just discovered that I have a 12BY7 in my R-390A in the
> IF subchassis, RT510. Aparrently replacing the current regulator.
> Should I be concerned? Should I try to find the correct part?
> The radio works fine.
> Sincerely
> Blair
>
>
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