Tube-number record
ML-102A
0 archive entries
ML-102A is a tube type in the TubeDatabase archive (class: High-vacuum rectifier). Recorded specifications: brand Machlett, year 1961, construction Rectifier, maximum plate voltage 75000 V, and maximum plate dissipation 750 W. The archive does not yet hold a photographed example of this type.
BrandMachlett
ClassHigh-vacuum rectifier
Construction
Primary TypeRectifier
Rectifier TypeHigh-vacuum
EnvelopeGlass
Sections1
Filament / Heater
MaterialPure tungsten
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage75000 V
Plate Dissipation750 W
Cathode Current750 mA
Audio Performance
Key Features
- Catenary type pure tungsten filament
- Cylindrical tantalum plate
- Low internal voltage drop
- High average load current capacity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-Phase, Two-Tube, Half Wave, Unfiltered | — | — | — | — | 240 mA |
| Single-Phase, Four-Tube, Full Wave, Filtered | — | — | — | — | 750 mA |
| Three-Phase, Double-Y, Parallel, Filtered | — | — | — | — |
Application Notes
Especially adaptable to electrostatic particle precipitation service of moderately high power requirements.
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