Tube-number record
1059
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BrandPHILIPS
ClassRectifier
Construction
Primary TypeOther / special
Rectifier Typedouble-anode
EnvelopeGlass
Sections2
Filament / Heater
Materialoxide-coated
Warm-up Time120s
Absolute Maximum Ratings
Plate Voltage185 V
Cathode Current20000 mA
Audio Performance
Key Features
- Mercury vapour and gas filled
- Oxide-coated filament
- Direct heating
- Double-anode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave Rectifier | 60 V | — | — | — | 20000 mA |
Application Notes
Specifically designed for battery chargers; 40 A per valve capability, suitable for up to 20 Pb-cells. Warm-up time is recommended at 2 minutes, but can be reduced to 1 minute if urgent. 5 minutes required after transport.
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