[BC] High Voltage Diodes

[Danny Ray Boyer]

That is about what I am looking for.  Hopefully someone might remember the 1N part number for the new ones that they used. 
The stack does not use two different types on a common heat sink. 

DRB

>1000 V, 5 A ought to do it; I've replaced a passel of the 400 V originals in
>the older type RCA stacks with them.
>Do they use two different types of opposite polarity like the later RCAs so
>that two studs mount on one heat sink ?