Harmon Kardon citation 2 bias question

@kellymack 

Remember the Marantz 8b bias thread?

https://forum.audiogon.com/discussions/what-is-the-voltage-to-bias-a-marantz-8b

Do you still have the Nobsound 8-Pin Dual Bias Current Probes Tester Meter? You can use it to check the bias.

Thank you, sounds right

Measure voltage across the 15 ohm cathode resistor, use Ohm’s law to calculate the current ( I = V / R ).

1V across 15 ohm cathode resistor = 0.067A

Plate dissipation = B+ voltage x current

Assuming B+ is 470V, 470 x 0.067 = 31.3Watt.

On the safe side, I suggest 1V (31.3Watt) to 1.1V (34.5Watt).

Citation II Schematic

Have you tried a search for HK Citation II Bias instructions on the net?  I did a quick look and found a ton of information.   However, I am unfamiliar with the HK C II, so I am not sure exactly what you need to know. 

Are the jacks factory issue or just something that someone replaced the factory meters with?