Lot of 4 pcs GU-50 (??-50) Russian high power pentode tubes, NOS. The GU-50 is a power pentode vacuum tube intended for 50 Watt operation as a linear RF amplifier on frequencies up to 120 MHz. It is one of the more unusual types of tube because of its non-standard 8-pin base and a metal "cap" (not connected to any of the tube internal elements) with a plastic "handle" on top of the envelope - which is meant to ease extracting the tube from its socket (especially when the tube is hot).
6N8S / 6SN7 / 1578 FOTON tubes Lot of 4 pc. The 6N8S double triode was designed for amplification of low-frequency voltage. Tubes were manufactured by FOTON plant (TASHKENT City).
OMRON H3CR-A-300 AC100-240 DC100-125 Timer Ratings Rated supply voltage 100 to 240 VAC, 50/60 Hz 100 to 125 VDC, ripple: 20% max. Operating voltage range 85% to 110% of rated supply voltage Input signals
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