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BrandRCA
ClassDuplex-Diode Triode
BaseSmall 6-Pin
Filament2.5V @ 1000mA
Construction
Primary TypeDuplex-Diode Triode
EnvelopeST-12
SectionsTwo diodes and a triode
Filament / Heater
Heater NotesA.C. or D.C.
Absolute Maximum Ratings
Audio Performance
Key Features
- Combined detector
- Amplifier
- Automatic-volume-control
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit (Characteristics same as Type 85) | 250V | 1100 | 7500 | 8.3 | 8mA |
Application Notes
Standard six-contact socket may be installed in any position. Complete shielding of detector circuits is generally necessary to prevent coupling.
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