B 13 S 25
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BrandRFT / WF
ClassOscilloscope Tube
Base14-50
Filament6.3V @ 450mA
Construction
Primary TypeDual-beam oscilloscope tube
EnvelopeGlass
Base MaterialPlastic/Metal
Sections2
Filament / Heater
Heater NotesParallel heating
Absolute Maximum Ratings
Plate Voltage8000 V
Grid 2 Voltage4000 V
Grid 1 Voltage-200 V
Cathode Current0.1 mA
H-C Voltage180 V
Audio Performance
Key Features
- Breitband-Zweistrahlröhre
- Planschirm
- Nachbeschleunigung
- Symmetrische Ablenkung
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Symmetrical Deflection | 4000V | - | - | - | - |
Application Notes
Broadband dual-beam oscilloscope tube with flat screen and post-acceleration for symmetrical deflection.
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