The GU-43B tetrode for wideband power amplification at frequencies up to 100 MHz in RF equipment. This tube is generally considered analogous to the 4CX1000. Power tubes need formatting before use, please take care, if you need a formatting procedure ask for it.
Military <rhhombus>and <OTK> mark
Name | GU43B | Type | tetrode | Brief application | oscillation, amplification | Envelope | glass to metall | Cooling method | forced air | Dimensions | 125mmx100mm | Mass | 1.5 kg | Filament voltage | 12.6 V | Filament current | 6 - 7.2 A | Mutual conductance | 40 to 50 mA/V | Output power | 1 kW | Maximum anode voltage | 3.5 kV | Maximum operating frequency | 75 MHz |
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