[TenTec] Hercules 444 amp

Jim Brown k9yc at audiosystemsgroup.com
Sun Aug 10 18:40:57 EDT 2014


On 8/10/2014 3:27 PM, Robert wrote:
> Please don't use used or pulls for a 2 tube amp.

I'm using both used tubes and pulls pretty successfully. It's easy to 
run a Titan on a single tube at a fixed drive level that gives you 700W 
for the first tube you test, note the grid current, and compare to other 
tubes. Takes some time, but worth the difference in cost to new tubes.

73, Jim K9YC


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