Fast Filters

By type
  • 5Z3

  • First year: 1933
  • Base: UX-Base (4 Pins (2
  • Filament: Vf 5 Volts / If 3
  • Identical to: 5Z3 = KX5Z3 = 5Z3G
  • Tube type: Full-Wave Vacuum R
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  • 6A6

  • First year: 1934
  • Base: 7-Pin-Base U7B
  • Filament: Vf 6.3 Volts / I
  • Identical to: 6A6 = 6A6X
  • Tube type: Double Triode Po
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  • 6A7

  • First year: 1933
  • Base: 7-Pin-Base U7A = s
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = Ut6A7 = Ut-6A7 =
  • Tube type: Pentagrid-Converte
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  • 6A8

  • First year: 1935
  • Base: Octal (Int.Octal,
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = 6Q8 = 6a8
  • Tube type: Pentagrid-Converte
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  • 6AC7

  • First year: 1939
  • Base: Octal (Int.Octal,
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = OSW2190 = 6j4 =
  • Tube type: Vacuum Pentode R
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  • 6B6

  • First year: 1935
  • Base: Octal (Int.Octal,
  • Filament: Vf 6.3 Volts / If:
  • Tube type: Double Diode-Triod
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  • 6B7

  • First year: 1933
  • Base: 7-Pin-Base U7A = s
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = Ut6B7 = Ut-6B7
  • Tube type: Double Diode-Pento
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  • 6C6

  • First year: 1933
  • Base: 6-Pin-Base U6A, ol
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = UZ6C6 = UZ-6C6 =
  • Tube type: Vacuum Pentode U
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  • 6D6

  • First year: 1933
  • Base: 6-Pin-Base U6A, ol
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = UZ-6D6 = UZ6D6 =
  • Tube type: Vacuum Pentode R
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  • 6E5

  • First year: 1935
  • Base: 6-Pin-Base U6A, ol
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = VT-215 = 6Z-6E5
  • Tube type: Mag. Eye, 1 shadow
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