Tube-number record
LV 1
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LV 1 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Telefunken, construction Pentode, socket Special / none, maximum plate voltage 300 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassPentode
BaseSpecial / none
Filament12.6 V @ 210 mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated oxide cathode; series operation permissible with 600 Ohm resistor replacement.
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF/NF Pre-amplifier (Class A) | 250 V | 9500 | 200000 | — | 20 mA |
| NF Output Stage (Class A) - 400V | 400 V | — | — | — | 25 mA |
| HF Transmitter Amplifier (Class B) | 400 V | — | — | — |
Application Notes
Recommended for broadband amplifiers, pre-amplifiers, and output/transmitter stages. Grid 3 (suppressor) modulation is possible for long-wave operation.
Datasheets
Datasheet: LV1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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