6LO1V 6ЛО1В

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http://youtube.com/watch?v=B2uXL04gFK0

Completely new oscillographic cathode-ray tube 6LO1V (6ЛО1В). • This CRT was made at my request by LLC MELZ in early 2019. • 6LO1V is identical to other 6LO1 types, except for the screen phosphor. Two-component type V phosphor has a bright blue, short-persistence phosphor, and a long-persistence yellow phosphor. • It is identical to a P7 type phosphor. • The vertical deflection signal is generated by a blocking oscillator, formed into a sawtooth wave, and amplified by a single double-triode vacuum tube of type 6N1P. • 6LO1(V*) characteristics: • Envelope dimensions: • length: 120 mm, • width: 53 mm (base, and up 50 mm from the screen: 33,5 mm), • height: 43 mm (base, and up 50 mm from the screen: 33,5 mm). • Usable screen dimensions: 30 x 40 mm. • Weight: not more than 200 g. • Base: 14-pins, RSh 31 (РШ 31). • Spot brightness: 5 cd/m2 could be less due to phosphor). • Persistence (V type): not less than 2 s. • Filament voltage and current: 6,3 V, 270 - 330 mA. • First anode (focusing) voltage: 45 - 135 V. • Second anode voltage and current: 1 200 V, not more than 300 µA. • Modulation voltage: 25 V. • Modulator cut-off voltage (negative): 90 - 30 V. • Vertical deflection sensitivity: 0,15 - 0,20 mm/V. • Horizontal deflection sensitivity: 0,11 - 0,15 mm/V. • The axis of deflection to axis of the screen is a little off, but this is easily corrected by an additional coil around the tube. • Website of the manufacturer in Zaprudnya: http://melz-elt.ru/?page_id=51. • LLC MELZ (Moscow Electric Lamp Plant) not only manufactures and rebuilds cathode-ray devices and their components, but also vacuum meters, boxes of special application, laboratory power supplies, and highly accurate mechanical parts. • Process of the request: • December 2018: request to make CRT 6LO1V. • 8 febuary 2019: video made by LLC MELZ, CRT 6LO1V at the testing apparatus: / 760354600996699 • 19 febuary 2019: CRT 6LO1V ready. Signed for shipment. • 24 april 2019: CRT 6LO1V received. https://www.facebook.com/photo.php?fb... • 4 may 2019: testing. https://www.facebook.com/photo.php?fb... • 9 may 2019: slow vertical deflection test. (This video).

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