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TRANSMITTING TETRODE
Svetlana GU-84B/4CX2500A, NOS
The GU-84B is a ceramic-metal forced-air cooled tetrode intended for use in power amplifiers with distributed amplification and for SSB-signal amplification with output power up to 2.5 kW at frequencies up to 75 MHz as well as for power amplification at frequencies up to 250 MHz with output power up to 2.2 kW in radiotechnical equipment. (Svetlana factory sertificate) See factory information: 

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