The 4E27A/ 5-125A has 125 watt plate dissipation.
I have a number of them.
More than the older version.
73
Bill wa4lav
At 08:57 AM 3/31/2011 -0400, Ron Youvan wrote:
>Fuqua, Bill L wrote:
>
> > I have thought of replacing the 813's with 4E27A's. Has anyone used
> 4E27A's in grounded grid.
> > They are pentodes with 125 watts plate dissipation and wire the
> filaments in series since they are 5V.
> > They should have a nice plate glow to them and go in the same socket.
>
> http://www.tubecollector.org/4e27.htm
>
>says the 4E27 has a 75 Watts plate dissipation.
> ??? I believe the 4E27 is more rare than 813s.
>--
> Ron KA4INM - Endless Loop: n. see Loop, Endless.
> Loop, Endless: n. see Endless Loop.
> -- Random Shack Data Processing Dictionary
>
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