Tube-number record
6I4P
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BrandUSSR
ClassTriode-Heptode
BaseSpecial / none
Filament6.3 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.5 W
Grid 2 Voltage50 V
Grid 1 Voltage-100 V
Cathode Current20 mA
H-C Voltage100 V
Audio Performance
Key Features
- Separate cathodes
- Short-characteristic
- Noise-protected
- Television receiver specialized
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100 V | 9000 | — | 50 | 9 mA |
| Heptode Section | 14 V | 1100 | — | — | 1.5 mA |
Application Notes
Designed for use in noise-protected amplitude gates and sync pulse amplifiers of television receivers.
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