KT88
- Maker
- Cetron
- Brand
- National Electronics
Tube-number record
KT88
11 archive entries
KT88 is a tube type in the TubeDatabase archive (class: Beam Pentode). Recorded specifications: brand Genalex, construction Beam tetrode / beam power, base Metal shell wafer octal, socket Octal, maximum plate voltage 600 V, and maximum plate dissipation 35 W. The archive holds 11 photographed examples of this type.
BrandGenalex
ClassBeam Pentode
BaseOctal
Filament6.3 V @ 1.6 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeTubular
Base MaterialMetal shell wafer octal
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage600 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Connection | 250 V | 11000 | 12000 | 8 | 140 mA |
| Triode Connection | 250 V | 12000 | 670 | 8 | 160 mA |
| Push-Pull Ultra-Linear (Cathode Bias) | 500 V | — | — | — | 174 mA |
Application Notes
The KT88 is primarily designed for the output stage of an a.f. amplifier for which two valves will provide up to 100W output. It is also suitable for use as a series valve in a stabilised power supply.
Datasheets
Datasheet: KT88.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
