Jan Tube question

[Hamersveld]

I obtained a box of tubes, most of which are from TVs, I think.
A couple of them though have the same identification as the 5U4G rectifier
tube used in the Scott 222.
they are: Jan-CKR-5U4G 'Ken-Rad VT-244'
They are twice as big or tall though as the one in the scott
Can they be used as a substitute?

Robert

 

[boywonder]

According to Duncan's TDSL data the VT-244 is close or identical to a 5U4, so yes......

A 5U4-G is a 5U4...

TDSL Tube data [VT244]

 

[jan.didden]

The JAN stands for Joint Army Navy; it's a tightened mil spec version.

jan 😉

 

[Hamersveld]

Thank you all.
I'll try out the 'better' specs tube,
see how it lights up!