Tube-number record
6J6A
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BrandRCA
ClassMedium-Mu Twin Triode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 450 mA
Construction
Primary TypeDual triode
EnvelopeT5-1/2
Sections2
Filament / Heater
Heater NotesControlled Warm-Up Time
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
H-C Voltage100 V
Audio Performance
Power Output3.5 W
Key Features
- Controlled Warm-Up Time
- Medium-Mu
- Twin Triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Each Unit) | 100 V | 5300 | 7100 | 38 | 8.5 mA |
| Typical Push-Pull Operation at Frequencies up to 50 Mc | 150 V | — | — | — | 30 mA |
Application Notes
Approximately 1 watt can be obtained when the 6J6A is used at 250 Mc as a push-pull oscillator with a plate voltage of 150 volts.
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