Tube-number record
1L34
0 archive entries
1L34 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Tesla, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 90 V, and maximum plate dissipation 0.7 W. The archive does not yet hold a photographed example of this type.
BrandTesla
ClassPower Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation0.7 W
Grid 2 Voltage67.5 V
Cathode Current12 mA
Audio Performance
Typical THD12%
Power Output0.23 W
Key Features
- Directly heated
- Battery operation
- Suitable for RF power amplifier Class C
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Audio | 45 V | 1250 | 100000 | 140 | 3.8 mA |
| Class A Audio | 90 V | 1400 | 100000 | 140 | 7.4 mA |
Datasheets
Datasheet: 1L34.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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