by EWBrown » Wed Jul 09, 2014 3:30 pm
The bias voltage is generated by the current flow through 900 ohms "cathode" resistor, it sets the 6B4G's biasing (K to F voltage differential)
This is also known as "self biasing", no adjustments necessary, as would be with fixed biasing.
HTH
/ed B
Last edited by
EWBrown on Thu Jul 10, 2014 7:37 am, edited 1 time in total.
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