- Country
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Manufacturing
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Function
- Ballast
- Barretter
- Beam power amplifier
- Diode
- Diode pentode
- Diode tetrode
- Diode triode
- Diode triode pentode
- Double diode
- Double diode pentode
- Double diode tetrode
- Double diode triode
- Double tetrode
- Double triode
- Double triode pentode
- Full-wave rectifier
- Half-wave rectifier
- Heptode
- Hexode
- Klystron
- Magnetron
- Nixie
- Pentode
- Photo cell tube
- Quadruple diode
- Relay
- Tetrode
- Thermal delay switch
- Thyratron
- Triode
- Triode heptode
- Triode hexode
- Triode pentode
- Triode tetrode
- Triode twin pentode
- Triple diode
- Triple diode triode
- Triple triode
- Tuning indicator
- Twin diode twin triode
- Twin pentode
- Voltage regulator
- Type
1L4 / CV1758 / DF92
Top quality British 7-pin miniature glass pentodes. With top D-getter and silvered plates, these excellent tubes are stamped ‘WAR DEPARTMENT ARROW EL, CV1758 1L4 KB/EN indicating Military Specification given by UK Authority, and manufactured in Thorn AEI Sunderland factory. Tubes are complete with corrugated cardboard and paper rolls, and in brown cardboard military boxes stamped VALVE ELECTRONIC CV1758 1L4 EN.
Data sheet
- Base
- 7 pin miniature B7G
- Boite type
- 2/1
- Emplacement
- 32
- Quide
- 1235
- Fonction
- Pentode
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