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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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Tube-number record

1D2

0 archive entries

1D2 is a tube type in the TubeDatabase archive (class: Ballast Tube). Recorded specifications: brand Hygrade-Sylvania Corporation and socket 6-pin. The archive does not yet hold a photographed example of this type.

BrandHygrade-Sylvania Corporation
ClassBallast Tube
Base6-pin

Construction

EnvelopeST-12

Filament / Heater

Absolute Maximum Ratings

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Ballast Regulation1 V———420 mA

Filters

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Manufacturers

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