Tube-number record
P 50/2
0 archive entries
P 50/2 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand VEB Werk für Fernmeldewesen, year 1956, construction Pentode, socket 8-pin, maximum plate voltage 1000 V, and maximum plate dissipation 40 W. The archive does not yet hold a photographed example of this type.
BrandVEB Werk für Fernmeldewesen
ClassPower Pentode
Base8-pin
Filament12.6 V @ 750 mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation40 W
Grid 2 Voltage300 V
Cathode Current230 mA
H-C Voltage100 V
Audio Performance
Key Features
- Horizontal-Ablenkstufen
- Indirectly heated
- Allglass base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Horizontal-Ablenkstufen | 800 V | 3500 | — | 47.62 | 50 mA |
Application Notes
Specifically designed for horizontal deflection stages. Not identical to SRS 552 (P 50). Pulse ratings based on 10µs pulse duration at 1:8 to 1:10 duty cycle.
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