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History of the manufacturer  

Vacuum Components, previusly known as Ryazan

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Name: Vacuum Components, previusly known as Ryazan    (SU)  
Abbreviation: vacuumcomp
Products: Tube manufacturer
Summary:

Now private enterprise previously known as Ryazan state factory with logo ¨P¨ in small circle(cyrilic¨R¨) Makes 811,812, and 572B transmiting tubes and their hi end audio derivates such as 811-3,811-10,572-3,572-10 ect. Some large oscillating tubes for industrial and military aplications are also made. Outside of Russia their tubes are marketed by Svetlana Russia and Svetlana USA(New Sensor). These tubes have prefix SV before their designation and usualy large svetlana logo over small ¨P¨ sign.

Now they are private enterprise called Vacuum Components with logo¨B¨ (cyrilic V), theyalso make tube sockets and other avionics/automotive products. Their tubes are well known as rugged and relible and today they are the only maker that makes audio tube as 572-10 that in normal conditions developes white heat spots on anode when alredy orange dull with 600cels on bulb hottest point. This ensures 10 times higher gas absorption and superb sound. Their internet adress is www.vaco.ryazan.ru

Founded: 1935
History:

This manufacturer was suggested by Sinisa Trlin.


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