"Mikkel C. Simonsen" wrote:

: Ross Matheson wrote:
:
: This little tube has the most open plate structure I've ever seen. Data at
: http://www.mif.pg.gda.pl/homepages/f...25/s/S6F33.pdf
:
: The "rocket brand" 6N1Ps I have are simmilar. The plate consists of two
: "U"s with the bottom ends facing the grid, so the sides are completely
: open.
:
: Does anybody know the reason for these open structures?

Good question! I was wondering why, too. Less capacitance to plate?

: Best regards,
:
: Mikkel C. Simonsen

RdM