RCA VT-229/6SL7GT
US Army 1940's vintage RCA 6SL7GT/VT-229's, part of a Western Electric US Army contract. These high-mu quiet sounding tubes have silky tone that will delight you and will bring out the best in any amp that uses 6SL7 octal tubes. Labels include RCA, Sylvania and KEN-RAD, all made by RCA.