>
>The only way to properly set the transformer taps is to
>measure the filament voltage at the tube pins at each
>setting.
// Amen, Phil
> I would start with the 220 volt tap first. If the voltage
>is within specs, you are there!
// However, operating a 5v +/- 5% filament at 5.25v instead of 4.75v
will reduce emissive life to [4.75v/5.25v] ^23.4 = c. 1/10 of normal
life.
>
>...
- R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|