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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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DCG 1/250 vacuum tube outline illustration

Tube-number record

DCG 1/250

0 archive entries

DCG 1/250 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Philips, construction Rectifier, socket 4-pin, and maximum plate voltage 3000 V. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassRectifier
Base4-pin

Construction

Primary TypeRectifier
Rectifier TypeSingle Anode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide-coated
Warm-up Time15s

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Rectifier1060 V———250 mA

Application Notes

In order to ameliorate the life of the tube a preheating time of the filament of at least 15 sec. is recommended. Phase shift of 90 degrees +/- 30 degrees between Va and Vf and use of a centre-tapped filament transformer is recommended.

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Manufacturers

Brands

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    Plate Voltage3000 V
    Cathode Current250 mA

    Audio Performance

    Key Features
    • Directly heated
    • Single anode
    • Mercury vapour filling
    • Oxide-coated filament