Svetlana 4cx800a Ceramic Tetrode
Gu 74b gu74 b gu74b 4cx800a tetrode.
Svetlana 4cx800a ceramic tetrode. Tube is new nos and never used before. They are designed to safely withstand up to 240 watts of reflected power up to 100 milliseconds of drive spikes rf tails after a ptt or key release and even. The gu 74b 4cx800a svetlana tetrode is used in wide band non tunable amplifiers and for single sideband power amplification in stationary and mobile rf equipment. 4cx350ja ei 4cx500a 4x150a nos tube 4x150a 7034 usa brand nos 4cx150bnos 1 4cx7500a ei tube eimac 4cx3500a ei tube eimac 4cx20000d ei tube eimac 4cx20000b ei tube eimac 4cx20000a ei tube eimac 4cx20000c ei tube eimac 4cx1500b 2 transmitting tube 4cx1500b 8660 eimac nos 4cx250k transmitting tube 4cx250k 8245 eimac 7580 4cx250r tube transmitting nos 4cx1000a ei 2.
The performance characteristics of the 4cx800a allow its use as a high gain grid driven rf amplifier or as used in grounded grid service find gu74b 4cx800a ceramic power tetrodes dxe gu74b and get free standard shipping on orders over 99 at dx. Svetlana factory 499 00 ea. A single svetlana 4cx800a gu74b high performance ceramic metal tetrode with plate dissipation of 800 watts is used for maximum efficiency. The performance character istics of the 4cx800a allow its use aas a high gain grid driven rf amplifier or in grounded grid service.
It is useful at full ratings through 250mhz. You can purchase items but there may be. Dx engineering gu74b 4cx800a ceramic power tetrodes are high performance ceramic metal tetrodes with a plate dissipation rating of 800 watts. Svetlana gu74b 4cx800a high performance ceramic metal tetrode with a plate dissipation rating of 800 watts.
The gu 78b tetrode is used for power amplification in distributed amplifiers and single sideband signal amplifiers at frequencies up to 250 mhz in rf industrial engineering equipment. The gu 74b is fully equivalent to the modern 4cx800a tube. Average delivery time to united states is 18 days. 4cx800a high performance tetrode he svetlana 4cx800a is a high performance ceramic metal tetrode with a plate dissipation rating of 800 watts with forced air cooling.
These amplifiers are self monitoring. What a bargain compared to the price of the 3 500z 3cx800 8877 and other tubes built by eimac. Describe your experience with the svetlana gu74b 4cx800a ceramic tetrode and tell us why you give it the rating you did required. I just purchased two spare nos tubes on ebay for 52 each for my qro hf2500dx amplifier.