[Heath] DX-60A Grid Tune Issue
Kenneth G. Gordon
kgordon2006 at frontier.com
Sat Apr 8 11:35:54 EDT 2017
On 8 Apr 2017 at 14:18, Glen Zook wrote:
> You need to read his original message again! He said 0.5 mA, not 5 mA.
Ah! Thank you, Glen. I missed that. And that is why when I wish to e-mail such info, I always
write it as "0.5" not simply ".5" as an example.
In which case, he can completely dismiss anything I told him, except how to peak L-1.
> I have found that most of the 6146 family of tubes will put out full
> power at around 1.75 mA but not below.
Same here.
> Between 2 mA and 2.5 mA grid current per tube is a good target.
> Anything above 3 mA will definitely shorten the life of the tube.
Yes. That is my experience too.
> The "." before the 5 is very easy to miss!
Well, I missed it. After all, I am within only a few days of my 75th birthday, and my eyesight is
getting worse.
vy 73,
Ken W7EKB
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