Tube-number record
8SA1, 8SA2, 8SA4, 8SA5
0 archive entries
8SA1, 8SA2, 8SA4, 8SA5 is a tube type in the TubeDatabase archive (class: CRT (Oscillograph Tube)). Recorded specifications: brand MAZDA, construction Display / CRT, socket Octal, and maximum plate voltage 1200 V. The archive does not yet hold a photographed example of this type.
BrandMAZDA
ClassCRT (Oscillograph Tube)
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope8 cm glass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1200 V
Grid 2 Voltage400 V
Grid 1 Voltage-35 V
Audio Performance
Key Features
- 8 cm screen
- Electrostatic deflection
- Focusing Anode (A1)
- Accelerator Anode (A2)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example 1 | 600 V | — | — | — | — |
| Example 2 | 800 V | — | — | — | — |
| Example 3 | 1000 V | — | — | — | — |
| Example 4 | 1200 V | — | — | — | — |
Application Notes
The plate d'1 is internally connected to Anode 2. The 8SA series are improved versions of the C 75S series with lower heater current (0.6A vs 0.8A) and shorter overall length.
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