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Other (3257), Pre (2314), Power (1030), Rectifier (740)
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COMBINED HALF WAVE RECTIFIER AND BEAM POWER AMPLIFIER

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BrandTUNG-SOL
ClassMulti-unit Rectifier and Audio Output
BaseOctal
Filament117V @ 0.09mA

Construction

Primary Type
Multi-section
Rectifier TypeHalf-wave
EnvelopeT-9 Glass Bulb
Base MaterialIntermediate Shell
Sections2

Filament / Heater

Heater NotesAC or DC connection directly across line

Absolute Maximum Ratings

Plate Voltage117 V
Plate Dissipation5.5 W
Grid 2 Voltage117 V
H-C Voltage175 V

Audio Performance

Typical THD6%
Power Output1.2 W
Key Features
  • Coated Unipotential Cathode
  • Designed for connection directly across a 117-volt supply line

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier100V700016000-51mA

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