[HAM] What are the appropriate ohms values for the cathode bias

[Brad Baker]

Geoff Williamson wrote:
> When you suggest setting cathode resistance to what you are
> 'comfortable with', are you referring to choosing a bias
> current in keeping with the specs from the particular valve's
> datasheet, (eg. derived from a percentage of maximum plate
> dissipation, or picking a point on the curve)?

I was referring to setting the zero-signal bias current based on
the curves, and considering the zero-signal and max dissipation,
class of service you want (A, AB), etc..

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