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Linear power amplifier tetrode - 0.4 - 2158 kW | 4C, 4X series
The 4CM300,000GA is a ceramic/metal, multiphase-cooled (water/vapor) power tetrode designed
to be used as an exact replacement for the
Thomson TH537. This tube has a thoriated tungsten
mesh filament and pyrolytic graphite control
and screen grids for applications requiring high
dissipation combined with low secondary emission
characteristics. Base coaxial contact rings
are provided for the filament, grid, and screen terminals,
and these terminals are cooled with forced
air. The maximum anode dissipation rating is 300
kilowatts steady state, with multiphase cooling.