GE White Red Print Research 6211 12AT7 Audio Tube - Tested Strong 81/81 min 55
GE White / Red print Mcmurdo Silver 6211 12AT7 Audio Tube. Clear Top, Side D getters. Finest Quality, Cool Box. Tube Looks NOS. 1940, 40s, 1950, 50s, 1960, 60s, 1970, 70s. Tube(s) shown in pictures will be the exact tube(s) you will receive.