(!!!!!) (Best Single - mic grade) JG-6072A GE NOS black plates triple mica "O" getter halo 1962-1963 (3.2ma/3.4ma) 1-2% section balance (Same Gm) (5-Star sound)
(!!!!) (Best Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 1-2% matched (10.2/10.4ma and 10.2/10.6ma)
(!!!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (10/11.4ma and 10.2/12ma)
(!!) (#1 AZ11 Pair) AZ11 Philips by Mullard NOS 1965 original boxes
(!!) (#1 AZ11 Single) AZ11 Philips Miniwatt Holland NOS "D" getter halo 1955
