>No pin-out in my short form book Marv but I would be willing to bet it
is
>the same as the 4CX250.
>You can use an ohmeter to cfm:
>
>1 and ring Screen
>2,4,6,8 Cathode
>3,7 heater
>key grid
>
>Let me know if that is correct.
>
>73 Carl KM1H
Hi Carl,
Nope.
I think that the grids may be generally consistent with the rest of
the family since pin 1 is in common with the screen ring however, pin 5
has continuity to the key.
And there is definitely something different happening in the heater /
cathode area. :-)
73,
Marv WC6W
*
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