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

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8YP4 vacuum tube outline illustration

Tube-number record

8YP4

0 archive entries

8YP4 is a tube type in the TubeDatabase archive (class: Receiver Check Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, socket CRT base (B12 family), and maximum plate voltage 22000 V. The archive does not yet hold a photographed example of this type.

BrandSYLVANIA
ClassReceiver Check Tube
BaseCRT base (B12 family)
Filament6.3 V @ — mA

Construction

Primary TypeDisplay / CRT
Envelope8" Rectangular, All Glass
Sections1

Filament / Heater

Heater NotesSelf Focusing (Electrostatic)

Absolute Maximum Ratings

Plate Voltage22000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operating Conditions16000 V————

Datasheets

Datasheet: 8YP4.pdf

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

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    Grid 2 Voltage550 V
    Grid 1 Voltage-155 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Self Focusing (Electrostatic)
    • No Ion Trap
    • 110° Magnetic Deflection
    • Gray Filter Glass