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Other (7066), Pre (189), Power (67), Rectifier (19)
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LG 12

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BrandTelefunken
ClassNetzgleichrichter (Power Rectifier)
BaseLn 30 122
Filament12.6V @ 1600mA

Construction

Primary TypePower Rectifier
Rectifier TypeVacuum
EnvelopeGlass
Base MaterialMetal
Sections2

Filament / Heater

Heater NotesOxide cathode, indirectly heated

Absolute Maximum Ratings

Plate Voltage1200 V
Cathode Current450 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Luftfahrtrohre (Aviation spec)
  • Bordbetrieb geeignet
  • Schüttelfestigkeit 5g
  • Beschleunigungsfestigkeit 8g
  • Choke-input only

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Full-wave rectifier (Choke Input)1200V---450mA

Application Notes

The tube must only be used in circuits with choke input. Capacitor input operation is not permitted.

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