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RE: [VLF_Group] Valves at low voltages

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  • Jean-Louis.RAULT@fr.thalesgroup.com
    Let me add the european EF98 penthode, which I used to build my first MW receiver when I was 13 during the sixties :o) Jean-Louis F6AGR
    Message 1 of 16 , Sep 1, 2003
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      Let me add the european EF98 penthode, which I used to build my first MW
      receiver when I was 13 during the sixties :o)

      Jean-Louis F6AGR

      > -----Message d'origine-----
      > De : dean88@... [mailto:dean88@...]
      > Envoye : vendredi 29 aout 2003 01:48
      > A : VLF_Group@yahoogroups.com
      > Objet : Re: [VLF_Group] Valves at low voltages
      >
      >
      >
      >
      >
      > >
      > > SOME tubes/valves were, latterly, designed for 12V plate.
      > > Some were not.
      >
      > These types are in the old GE tube manual and are
      > all listed as 12.6 vlots on the plate.
      >
      > 12AC6 Remote cutoff RF pentode
      > 12AD6 Pentagrid converter
      > 12AE6 Dual diode triode
      > 12AE7 Dual triode
      > 12AF6 RF pentode
      > 12AG6 Heptode
      > 12AJ6 Dual diode Triode
      > 12AL8 Triode Space-charge-Grid Tetrode
      > 12BL6 Sharp cutoff pentode
      > 12CN5 RF pentode
      > 12CX6 Sharp cutoff RF pentode
      > 12CY6 Sharp cutoff RF pentode
      > 12DE8 Diode Pentode
      > 12DK5 RF pentode
      > 12DK7 Dual diode Tetrode
      > 12DL8 Dual diode Space-charge-Grid Tetrode
      > 12DS7 Dual diode Space-charge-Grid Tetrode
      > 12DU7 Dual diode Tetrode
      > 12DV7 Dual diode Triode
      > 12DV8 Dual diode Space-charge-Grid Tetrode
      > 12DW8 Diode Dual triode
      > 12DY8 Triode Tetrode
      > 12DZ6 Remote cutoff RF pentode
      > 12EA6 Remote cutoff pentode
      > 12EC8 Triode Pentode
      > 12EG6 Dual-Control Heptode
      > 12EK6 Sharp cutoff RF pentode
      > 12EL6 Dual diode Hi Mu Triode
      > 12EM6 Dual Tetrode
      > 12EZ6 Sharp cutoff RF pentode
      > 12F8 Dual diode Pentode
      > 12FA6 Pentagrid converter
      > 12FK6 Dual Diode Triode
      > 12FM6 Dual Diode Triode
      > 12FR8 Diode Triode Pentode
      > 12FT6 Dual diode Triode
      > 12FX8 Triode Heptode
      > 12G8 Dual Triode
      > 12GA6 Heptode
      >
      >
      > I once saw a circuit using a regular pentode with only 12volts
      > on the plate. The first and sceond grids were
      > connected to plus 12 volt, the grid three was the
      > control grid.
      >
      > wa1ibn@...
      >
      >
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