Thread: Spy Set SSTR-1
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Old 9th Feb 2018, 6:16 pm   #13
Al (astral highway)
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Default Re: Spy Set SSTR-1

Quote:
Originally Posted by IK0MOZ Mario View Post
T It is possible to get 5 W with 250 plate voltage or in any case I have to improve the voltage ?
5.5W is given as the absolute maximum rating for the tube. If you ran it at 350V on the anode and 34mA, you would over-drive it 100%.

If you ran it at this anode current and 250V, you would still be over-driving it by around 50%.

Seems unwise to push it to 5W CW.
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