Jim -
Drake never used the 6EH7 in any of the R-4 series, but they
did use the 6EJ7 in the later R-4C's at the first and third
mixer. Still used the 6BE6 at second mixer.
73, Garey - K4OAH
Atlanta
[email protected] wrote:
>
>
> Drake R4 line used the 6EH7 as RF amp and 6EJ7 as first mixer.
>