[Test-Equipment] What are "cathode jacks" on a tube tester?

[Richard Knoppow]

    It seems to me that if the jacks are for inserting a resistor 
there should be a jumper to short them when no resistor is 
present. This is the sort of puzzle a schematic would clear up 
instantly.

On 6/29/2019 6:59 PM, Patrick Thompson wrote:
> The cathode jack's are one of the two sets of banana jack's that have jumpers at the top of the tester. One possible use is to insert a resistor to simulate using cathode bias.  FWIW, I've never found a need for this feature.
> 
> Pat
> wa4tuk


-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL