This transformer for sale, is a low power transformer for the filaments of all the vacuum tubes used in the 551 oscope. The schematic is given in the picture of this listing. All of the secondaries in this unit are 6 VAC.
8LO39V Russian Vintage Oscilloscope CRT Tube NEW 8LO39V (8ЛО39В) is a small vintage CRT tube. Made in Russia (USSR). This type of tube was used in oscilloscopes and other signal measuring equipment.
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