Re: [sdiy] Kärmes tube oscillator and instrument amplifier

[Travis Shire]

> If you want to do some valve pR0n then this site is amazing:
>
> http://www.tubecollector.org/about.htm
>
Check out the specs on that water cooled triode.
      Filament voltage 31.5 - 34V
      Filament current 440 - 470A
      Anode voltage 20kV dc max
      Total emission 100A
      Anode current 20A max
      Continuous anode dissipation 150kW max
      µ 40 - 48
      Impedance 800 - 1200 ohms
      Grid current 4.5A max
      Grid power 8kW max
      Frequency 30MHz max
      Inter electrode capacitances
      Grid to filament 101pF
      Anode to filament 6pF
      Anode to grid 51pF


Speechless.......