Vacuum tubes available in the loadline calculator

#TubeTypeMax anode dissipation

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Select a Tube:
Operating mode:
Ultralinear
Pentode
Triode
PP/SE:
PP SE
V+ (V): Grid Bias Voltage (V):
Quiescent Operating Point: Iq(mA):
Vq(V):
Output Power (W):

Load (Ohm):
Resistive
Reactive
HD%:

Next stage AC Impedance (Ohm):
Screen Voltage (V):
UltraLinear tap (%):
Out. headroom (+/-V):

46 thoughts on “Vacuum tubes available in the loadline calculator

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  1. Ciao Giuseppe,

    is it possible to add 7857 nuvustor tube in pentode mode since it is a tetrode (Similar curves to pendode but with only 4 active elctrodes)?

  2. Giuseppe,
    What a wonderful site! Very useful for playing with different tubes/operating points.
    Is there a chance that you could add the Russian tetrode 6E5P (I am mainly interesting in operating it in triode mode, so…)?

    1. Hi and sorry for late response: datasheet that I have do not have enough data to build a reliable model.
      I need pentode curves with various G2 and/or triode mode. I did not find it. Do you have ot?

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