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New Sensor (NS, Inc), which has SOVTEK and Electro-Harmonix brands, has reissued the TUNG-SOL vacuum tube.
TUNG-SOL introduced to the world in 1954, 5881 has a huge impact on audio and guitar amplifiers, etc. And this original TUNG-SOL 5881 became one of the most popular names in the 1950s.
NS Company plans and designs TUNG-SOL brand vacuum tubing to be highly reliable and warm vacuum tubing in all output areas.
The TUNG-SOL vacuum tubing can be purchased here, is adequately aged with domestic automatic sorting machines, and it will get a good output from use.
Country of Manufacture: Russia.
Other than the electrical characteristics of the product (damage to other devices, bulb tilt, valve height, logo missing, etc.) are not covered under the warranty.