| 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@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
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
 |