V5 is _____.
When making pin-to-ground resistance measurements, make SURE the radio is configured like this. To locate tubes, see this.
Resistance measurements made with Simpson 260.
"Open" or "no pin" means the tube does not use the pin but it might have been used as a junction for other components.
Pin to Radio Radio Radio chassis #5 #6 #7 1 0.2 0 0 2 0 0 0 3 14,000 50,000 16,000 4 10,780 49,000 10,000 5 1,170,000 58,000 1,000,000 6 - dead lug ? 36,000 25,000 7 0 0.1 .2 8 1,828 10,000 200 top cap 1,380,000 1,400,000 1,200,000
Pin to From the chassis docs 1 0 2 0 3 10,000 4 12,000 5 900,000 6 dead lug 7 0 8 29,000 top cap 1,150,000
Tube pinout images are found on tdsl.duncanamps.com
For reference:
Page: /V5/V5_new.shtml
Last modified: Monday, 1 Jun 2026