[TenTec] Hercules 444 amp

[Robert]

This is a Very good way to determine the condition of a tube. 

Just be sure one knows the expected results.   If they don't match within 10% or so, I'd have 2nd thoughts as to using them as a pair. 

73
Bob K4TAX



Sent from my iPhone

> On Aug 10, 2014, at 6:40 PM, Jim Brown <k9yc at audiosystemsgroup.com> wrote:
> 
>> 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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