[Amps] New set of tubes?

[Gary K9GS]

I just received a new set of spare tubes today for my amp, Alpha 8100 
with 2X GU74B/4CX800A tubes.

Is the conventional wisdom to install the new tubes and power up the amp 
for a period of time before applying drive or something else?


-- 


73,

Gary K9GS

Check out K9NS on the web:  http://www.k9ns.com
Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com

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