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0D3- First year: 1942
- Base: Octal (Int.Octal,
- Filament: No heater /
- Identical to: 0D3 = VT-139 = CV2
- Tube type: Voltage Regulator,
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1-V- First year: 1932
- Base: UX-Base (4 Pins (2
- Filament: Vf 6.3 Volts / If
- Identical to: 1-V = 1_USA = AD =
- Tube type: Half-Wave Vacuum R
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101F- First year: 1927
- Base: UV-Base (4 Pins+Ba
- Filament: Vf 4 Volts / If 0.
- Identical to: 101F = CV2553
- Tube type: Triode, vacuum A
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124 BLUE- First year: 1931 ?
- Base: UY-Base, 5 Pins (U
- Filament: Vf 2.5 Volts / If
- Identical to: 124 = UY224 = 24A
- Tube type: Screen-grid Tetrod
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127 BLUE- First year: 1931?
- Base: UY-Base, 5 Pins (U
- Filament: Vf 2.5 Volts / If
- Identical to: 127 = UY227 = 27 =
- Tube type: Triode, vacuum U
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12A7- First year: 1933
- Base: 7-Pin-Base U7A = s
- Filament: Vf 12.6 Volts / If
- Identical to: = CV909
- Tube type: HalfWave Rectifier
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1625- First year: 1943
- Base: 7-Pin-Base U7B =
- Filament: Vf 12.6 Volts / If
- Identical to: 1625 = VT-136 = CV
- Tube type: Beam Power Tube
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1626- First year: 1939
- Base: Octal (Int.Octal,
- Filament: Vf 12.6 Volts / If
- Identical to: 1626 = VT-137 = CV
- Tube type: Triode, vacuum
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1883- First year: 1938
- Base: Europe side contac
- Filament: Vf 5 Volts / If: 1
- Identical to: = RGN1883
- Tube type: Full-Wave Vacuum R
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22- First year: 1927
- Base: UX-Base (4 Pins (2
- Filament: Vf 3 Volts / If 0.
- Identical to: 22 = RF22 = PH222
- Tube type: Screen-grid Tetrod
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