3BA6
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BrandTung-Sol
ClassPentode
Base7-pin miniature
Filament3.15V @ 600mA
Construction
Primary TypeRemote Cut-off Pentode
EnvelopeGlass
Base Material7 Pin Miniature E7-1
SectionsSingle
Filament / Heater
Heater Notes600 mA series heater string. Controlled warm-up cycle.
Absolute Maximum Ratings
Plate Voltage440 V
Plate Dissipation3.4 W
Grid 2 Voltage330 V
Grid 1 Voltage-55 V
H-C Voltage200 V
Audio Performance
Key Features
- Remote Cut-off
- Controlled Warm-up
- Miniature Construction
- High-Gain
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100V | 4300 | 250000 | - | 10.8mA |
| Class A1 Amplifier | 250V | 4400 | 1000000 | - | 11mA |
Application Notes
Designed for service as a high-gain frequency or intermediate-frequency amplifier in 600 mA series heater operated television receivers.
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