Tube-number record
30C2
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30C2 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand EDISWAN, construction Display / CRT, base Bakelite, socket CRT base (B12 family), and maximum plate voltage 6000 V. The archive does not yet hold a photographed example of this type.
BrandEDISWAN
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament4 V @ 720 mA
Construction
Primary TypeDisplay / CRT
EnvelopePolished flat face glass
Base MaterialBakelite
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage6000 V
Grid 2 Voltage1000 V
Audio Performance
Key Features
- Precision Measurement CRT
- Polished flat face
- Electrostatic focus
- Electrostatic deflection
- Separately accessible Final Anode and Bulb coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 2000 V | — | — | — | — |
| Operation 2 | 5000 V | — | — | — | — |
Application Notes
Recommended for general measurement work (30C2/T1). The Third Anode and Bulb coating are normally joined in use.
Datasheets
Datasheet: 30C2.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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