Description
(!!!) (Recommended Quad) 6V6 Sylvania metal can NOS 1970 era (39.6, 39.8, 40.0, 40.2mA)
1 matched quad) 6V6 Sylvania metal can NOS 1970 era
1 tube) 39.6mA Gm=4150
1 tube) 39.8mA Gm=4030
1 tube) 40.0mA Gm=4100
1 tube) 40.2mA Gm=4070
Good mA range 35-45mA
Good Gm range 3500-4000+