C30S
0 Tubes in archive
BrandMazda
ClassOscillograph Tube
BaseOctal 8-pin
Filament6.3V @ 0.6mA
Construction
Primary TypeElectrostatic Cathode Ray Tube
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage550 V
Grid 2 Voltage125 V
Grid 1 Voltage-90 V
Audio Performance
Key Features
- Reduced dimensions
- Visual indicator
- Electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example 1 | 400V | - | - | - | - |
| Example 2 | 500V | - | - | - | - |
Application Notes
Commonly used as visual indicators for current forms, frequency control, and modulation depth.
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