(!!!!) (Best Overall Pair) 71A National Union NOS 1940's rebranded Arcturus in 1967 (28ma and 29ma) (Highest Ma and Gm)
(!!!!) (Best Pair) JAN-CHS-71A Sylvania NOS 1945 in white boxes (22ma and 25.5ma)
(!!!) (Recommended Pair) 71A National Union NOS 1950 era, 1 tube rebranded Arcturus in 1967 (24.5 and 25.2mama)
(!) CX-71A Cunningham Balloon like new 1930's (26.8ma)
71A National Union NOS in white box slightly tilted glass (28ma)
71A RCA NOS 1940's in Raytheon box (24ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (22.5ma)
