Tube-number record
2 XM 600 A
0 archive entries
2 XM 600 A is a tube type in the TubeDatabase archive (class: Half-wave Mercury Vapor Rectifier). Recorded specifications: brand MAZDA, year 1947, construction Rectifier, base Plastic with side lug, socket 4-pin, and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandMAZDA
ClassHalf-wave Mercury Vapor Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeMercury Vapor
EnvelopeVv 81
Base MaterialPlastic with side lug
Sections1
Filament / Heater
MaterialOxide-coated
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage10000 V
Cathode Current500 mA
Audio Performance
Key Features
- Shielded filament
- High frequency operation up to 1000 Hz
- Mercury vapor filling
- Top cap anode connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition I: 150 Hz, 25-60°C Mercury Temp | 10000 V | — | — | — | 250 mA |
| Condition II: 150 Hz, 25-70°C Mercury Temp | 2000 V | — | — | — | 500 mA |
| Condition III: 1000 Hz, 25-70°C Mercury Temp | 5000 V | — | — | — | 250 mA |
Application Notes
The filament must be allowed to reach operating temperature (approx 30 seconds) before applying plate voltage. Vertical mounting only, base down. Shielding required if placed near RF fields.
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