[Amps] Can I cool too much the tubes?

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Mon, 16 Aug 2010 10:40:41 -0700 (GMT-07:00), Colin Lamb
<k7fm at teleport.com> wrote:

>"I guess the fundamental question is why did Ten Tec select 90 CFM fan instead of 250 CFM."

REPLY:

May I ask what tube(s) get too hot with 90 CFM? According to Eimac, a
pair of 3-500Zs at 1500 watts output need only about 26 CFM. At 1500
watts output an 8877 needs only about 20 CFM.

Just curious. 

73, Bill W6WRT