TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerA–Z indexSubmit a tube

Tube-number record

25Y4GT

0 archive entries

25Y4GT is a tube type in the TubeDatabase archive (class: Half-wave rectifier). Recorded specifications: brand Hytron, year 1939, construction Rectifier, socket Octal, and maximum plate voltage 125 V. The archive does not yet hold a photographed example of this type.

BrandHytron
ClassHalf-wave rectifier
BaseOctal
Filament25 V @ 150 mA

Construction

Primary TypeRectifier
EnvelopeT-9D

Filament / Heater

Absolute Maximum Ratings

Plate Voltage125 V
Cathode Current75 mA

Audio Performance

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Key Features
    • Cathode type half-wave rectifier
    • Designed for transformerless receivers
    • Series filament connection