[Amps] HV relay

Jim Brown jim at audiosystemsgroup.com
Sat Feb 6 09:39:18 PST 2010


On Fri, 5 Feb 2010 15:32:22 -0600, Phil Clements wrote:

>Look at the Alpha 77DX/SX. The HV comes on immediately; only the PTT line is
>inhibited until the timer cycles. As long as the tube is biased to cut-off
>during this time, no problem.

This is also what Ten Tec does with the Titan 425, using tubes that also require 3 
min warmup. Tubes last a LONG time if not mistreated. 

73,

Jim K9YC




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