• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Plate curves... Ic2 & Ib?

In the following plate curves from 6JS6C What are Ic2 and Ib? I haven't been able to figure it out from the data sheet.

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In the following plate curves from 6JS6C What are Ic2 and Ib? I haven't been able to figure it out from the data sheet.

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Ib is current in the "B" circuit or plate current.

Ic2 is grid2 current, i.e. screen grid current.

(I think c2 means someting like control element #2; or Ic2 could be an extension of Ic which is grid current or "C circuit" current.)
 
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