Tube-number record
DCG 4/5000
0 archive entries
BrandPhilips
ClassRectifier
BaseJumbo
Construction
Primary TypeRectifier
Rectifier TypeSingle Anode
EnvelopeGlass
SectionsSingle
Filament / Heater
Materialoxide-coated
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage13000 V
Cathode Current1250 mA
Audio Performance
Key Features
- Oxide-coated filament
- Directly heated
- Mercury vapour filling
- Single anode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier Arc Drop | 12 V | — | — | — | 1250 mA |
Application Notes
A phase shift of 90° ± 30° between Va and Vf and/or use of a centre-tapped filament transformer are recommended. After transport or long interruption, a 30-minute mercury distribution warmup is required.
0 results