1F6
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BrandRCA
ClassDuplex-Diode Pentode
BaseSmall 6-Pin
Construction
Primary TypePentode
EnvelopeST-12
SectionsTwo diodes and a pentode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage180 V
Grid 2 Voltage67.5 V
Audio Performance
Typical THD5%
Key Features
- Detector
- Amplifier
- Automatic-volume-control
- Battery-operated receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A R-F or I-F Amplifier | 180V | 650 | 1000000 | 650 | 2mA |
Application Notes
Recommended for service as a combined detector, amplifier (radio-frequency, intermediate-frequency or audio-frequency), and automatic-volume-control tube. Maximum value of resistance in the grid circuit should not exceed 1.0 megohm.
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