4A6G
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BrandRAYTHEON
ClassTWIN TRIODE POWER AMPLIFIER
BaseSmall 6-prong
Construction
Primary TypeTriode
EnvelopeGlass Bulb
SectionsTwin
Filament / Heater
Absolute Maximum Ratings
Plate Voltage135 V
Cathode Current20 mA
Audio Performance
Typical THD5%
Power Output1 W
Key Features
- Twin triode power amplifier
- Filament center-tap connected to pin #3
- Operation in series at 4 volts or parallel at 2 volts
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 - One Triode | 90V | 920 | 28000 | 25 | 1.6mA |
| Push-Pull Amplifier - Class B (90V) | 90V | - | - | - | 16mA |
| Push-Pull Amplifier - Class B (135V) | 135V | - | - | - | 21mA |
Application Notes
Designed for service as a Class B power amplifier in the output stage of battery operated receivers.
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