Dual tetrode for VHF radio transmitters, manufactured by Philips, Holland. Introduced 1955, in use until late1970s. This tube was very popular for use in VHF transmitters used in two-way radio base stations and by amateurs.

6.3 volt indirectly directly heated cathode. Heater 6.3 volts at 1.2 amps. anode 600 volts. Each anode dissipation 20 watts to 200 mhz. Screen 250 volts. Base G7D with anodes to top pins designed for use with Lecher Lines.

Physical Description

Cylindrical bulb with seven pin 'Septar' base and two pins at top.

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