Fast Filters

By type
  • 36

  • First year: 1931
  • Base: UY-Base, 5 Pins
  • Filament: Vf 6.3 Volts / I
  • Identical to: 36 = 136A = 236
  • Tube type: Screen-grid Tetrod
Read more
  • 37

  • First year: 1931
  • Base: UY-Base, 5 Pins (U
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = UY37 = VT-37 = E
  • Tube type: Triode, vacuum R
Read more
  • 38

  • First year: 1931
  • Base: UY-Base, 5 Pins (U
  • Filament: Vf 6.3 Volts / I
  • Identical to: 38 = 138A = UY38
  • Tube type: Vacuum Pentode P
Read more
  • 39/44

  • First year: 1935
  • Base: UY-Base, 5 Pins (U
  • Filament: Vf 6.3 Volts / If:
  • Identical to: 39/44 = VT-49
  • Tube type: Vacuum Pentode R
Read more
  • 3NFK

  • First year: 1931
  • Base: Loewe Bajonet, 6-p
  • Filament: Vf 4 Volts / If 1.
  • Identical to: 3NFK
  • Tube type: MULTI-SYSTEM, inte
Read more
  • 41

  • First year: 1933
  • Base: 6-Pin-Base U6A, ol
  • Filament: Vf 6.3 Volts / If:
  • Identical to: = PH41 = ER41 = VT
  • Tube type: Vacuum Pentode P
Read more
  • 42

  • First year: 1932
  • Base: 6-Pin-Base U6A,
  • Filament: Vf 6.3 Volts / I
  • Identical to: 42 = UZ-42 = 6Z-P1
  • Tube type: Vacuum Pentode P
Read more
  • 43

  • First year: 1933
  • Base: 6-Pin-Base U6A,
  • Filament: Vf 25 Volts / If 0
  • Identical to: 43 = ER43 = CV2514
  • Tube type: Vacuum Pentode P
Read more
  • 44

  • First year: 1932
  • Base: UY-Base, 5 Pins (U
  • Filament: Vf 6.3 Volts / If:
  • Identical to: 44 = 144
  • Tube type: Vacuum Pentode R
Read more
  • 47

  • First year: 1931
  • Base: UY-Base, 5 Pins (U
  • Filament: Vf 2.5 Volts / If:
  • Identical to: = P2 = 247 = PZ =
  • Tube type: Vacuum Pentode P
Read more

Show results per page