(!!!!) (Best Overall pair) 6L6GC RCA black plate NOS 1960 (71.5ma and 72ma) (best tone) (rare) (Fender, Carr, Two Rock)

1 matched pair) 6L6GC RCA black plate NOS 1960 double "D" bottom getters and copper grid posts 1 tube) 72.0ma Gm=6100 (LT) Aoril, 1960 1 tube) 71.5ma Gm=5900 (MB) December, 1960 - best tone of all-time     Tested on Amplitrex Good mA range 60-70mA Good Gm range 5500-6000   - Scarlett Heat- Fender- Two Rock by K&M Analog Designs, LLC- Carr Rambler- Landgraff Deluxe- MacIntosh MC240 amp- Fender Super-Sonic 2008- Emery- Swart- Leben- Fender Hot Rod Deluxe