Tube-number record
8161R
0 archive entries
8161R is a tube type in the TubeDatabase archive (class: Medium-Mu Power Triode). Recorded specifications: brand Svetlana, year 1996, construction Triode, base Metal, socket Special / none, maximum plate voltage 6000 V, and maximum plate dissipation 4000 W. The archive does not yet hold a photographed example of this type.
BrandSvetlana
ClassMedium-Mu Power Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten mesh
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation4000 W
Grid 1 Voltage-1000 V
Cathode Current2500 mA
Audio Performance
Key Features
- Thoriated-tungsten mesh filament
- Ceramic/metal construction
- Superior VHF performance
- Exact replacement for US-manufactured 8161R
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier or Oscillator, Class C FM or CW | 4000 V | — | — | 22 | 2500 mA |
| RF Power Amplifier or Oscillator, Class C FM or CW | 5000 V | — | — | 22 | 2500 mA |
| RF Power Amplifier or Oscillator, Class C FM or CW | 6000 V | — | — | 22 | 2080 mA |
| Plate Modulated RF Amplifier, Class C Telephony | 4000 V | — | — | 22 | 1670 mA |
| Audio Frequency Amplifier or Modulator, Class AB2 | 6000 V | — | — | 22 | 3000 mA |
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