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
50FY8 vacuum tube outline illustration

Tube-number record

50FY8

0 archive entries

50FY8 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand Sylvania, construction Multi-section, base Glass, socket Noval (B9A), maximum plate voltage 150 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassTriode-Pentode
BaseNoval (B9A)
Filament50 V @ 150 mA

Construction

Primary TypeMulti-section
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTriode, Beam Pentode

Filament / Heater

Heater NotesSeries heater string

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section125 V270017000462.5 mA
Pentode Section125 V75005000—70 mA

Application Notes

Type 50FY8 contains a high mu triode and Beam Power amplifier. The Beam Pentode is capable of furnishing 3 watts of output at a B+ voltage of 125 volts.

Datasheets

Datasheet: 50FY8.pdf

Download PDF
Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage150 V
    Plate Dissipation10 W
    Grid 2 Voltage150 V
    H-C Voltage200 V

    Audio Performance

    Typical THD10%
    Power Output3 W
    Key Features
    • High mu triode
    • Beam Power amplifier
    • T-6 1/2 envelope