Item Tag: REFLECTOR

6K4P-EV / EF93 / 6BA6 RUSSIAN HF PENTODE TUBE RHOMBUS/OTK/GOLD GRID NEW IN BOX QTY-4 SAME DATA CODE 1986 Military equipment, “OTK”, high reliability. Military quality check passed (rhombus) The tubes are never used. Old stock. 6K4P-EV High-frequency miniature pentode with an extended anode-grid characteristic of increased durability, reliability and mechanical strength. Designed to amplify intermediate and high frequency voltages in circuits with an AGC system. The 6K4P-EV high-frequency pentode is used in RF amplification stages in broadcast and automotive receivers. Works in any position. Available in glass finger design. Indirectly heated oxide cathode. 7-pin base with button Source: Overall dimensions of the 6K4P-EV pentode: – lamp height – 62 mm; – lamp diameter – 19 mm. Weight no more than 13 g. Operating time no less than 5000 hours. Foreign analogues of the 6K4P-EV lamp: EF93, W727, 6BA6, 6BA6W, 6BD6, 6F31, PM04, M8101, 5749, 6660 Explanation of the high-frequency pentode markings: 6K4P-EV 6 – a number indicating the rounded value of the lamp filament voltage in volts; K – letter defining the type of lamp: K – high-frequency pentode with an extended characteristic; 4 – the serial number of the development of this type of lamp; P – letter characterizing the design: P – miniature (finger) lamp in a glass shell with a cylinder diameter of 19 Source: https://eandc.ru/catalog/6k4p-ev/ or 22.5 mm; E – letter characterizing the increased durability of the lamp; B – a lamp with increased reliability and mechanical strength. Please allow for the following shipping times:EU countries: 5-8 business days, on rare occasions a few days more USA: 10-15 business days, on rare occasions more South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.

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