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(!!!!!) (Recommended Pair) 6350 Sylvania black plates NOS 1960 era

(!!!!!) (Recommended Pair) 6350 Sylvania black plates NOS 1960 era "D=SQUARE" getter (9.4/8.2ma and 10.2/8.4ma)

$ 119.99
(!!!!!) (Recommended Pair) 6DJ8 Sylvania NOS 1970-1972 era (15.2/17.2ma and 13.5/17.4ma) (good detail and smooth)

(!!!!!) (Recommended Pair) 6DJ8 Sylvania NOS 1970-1972 era (15.2/17.2ma and 13.5/17.4ma) (good detail and smooth)

$ 89.99
(!!!!!) (Recommended Pair) 8417 Sylvania NOS 1970's same build (108ma and 114.5ma) (close Gm)

(!!!!!) (Recommended Pair) 8417 Sylvania NOS 1970's same build (108ma and 114.5ma) (close Gm)

$ 239.99
(!!!!!) (Single) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (9.8/14.2ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)

(!!!!!) (Single) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (9.8/14.2ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)

$ 74.99
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)

(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)

$ 79.99
(!!!!!) (SINGLE) 7581A=6L6GC GE brown base like new 1967 reboxed (76ma) (rare)

(!!!!!) (SINGLE) 7581A=6L6GC GE brown base like new 1967 reboxed (76ma) (rare)

$ 119.99
(!!!!) (10 for $24.99) 6AU8 Sylvania NOS

(!!!!) (10 for $24.99) 6AU8 Sylvania NOS

$ 24.99
(!!!!) (Best 6L6GB Single) 6L6GB RCA branded Raytheon black plate NOS 1963 (75ma)

(!!!!) (Best 6L6GB Single) 6L6GB RCA branded Raytheon black plate NOS 1963 (75ma)

$ 199.99
(!!!!) (Best Canada Pair #3) 807 GE Radiotron Canada NOS 1940's (70ma and 66ma)

(!!!!) (Best Canada Pair #3) 807 GE Radiotron Canada NOS 1940's (70ma and 66ma)

$ 53.99
(!!!!) (Best GE Pair #2) 6V6GTY/6V6GTA GE Amperex NOS 1970 era (40.5ma and 42ma) (Close Gm matching)

(!!!!) (Best GE Pair #2) 6V6GTY/6V6GTA GE Amperex NOS 1970 era (40.5ma and 42ma) (Close Gm matching)

$ 149.99
(!!!!) (Best GE Single) 6350 GE NOS 1960's (12.2/12.8ma) (same Gm)

(!!!!) (Best GE Single) 6350 GE NOS 1960's (12.2/12.8ma) (same Gm)

$ 34.99
(!!!!) (Best Overall Pair) 5U4GB RCA NOS 1975 same date codes (61-60/40 and 60-60/40) 1-2% matched (Best Sound)

(!!!!) (Best Overall Pair) 5U4GB RCA NOS 1975 same date codes (61-60/40 and 60-60/40) 1-2% matched (Best Sound)

$ 168.88
(!!!!) (Best Overall Pair) 80 National Union NOS 1950 era (56-62/40 and 56-62/40) (best sound)

(!!!!) (Best Overall Pair) 80 National Union NOS 1950 era (56-62/40 and 56-62/40) (best sound)

$ 69.99
(!!!!) (Best Pair #1) 12AX7A Sylvania NOS 1970's (2.3/2.0ma and 2.1/2.3ma)

(!!!!) (Best Pair #1) 12AX7A Sylvania NOS 1970's (2.3/2.0ma and 2.1/2.3ma)

$ 179.99
(!!!!) (Best Pair #1) 5763 Sylvania JAN NOS 1972-1973 (46ma and 47ma)

(!!!!) (Best Pair #1) 5763 Sylvania JAN NOS 1972-1973 (46ma and 47ma)

$ 25.99
(!!!!) (Best Pair #1) 5814A Philips JAN NOS 1985-1987 (9.2/9.8ma and 9.1/10.2ma) 1-3% matched (close Gm)

(!!!!) (Best Pair #1) 5814A Philips JAN NOS 1985-1987 (9.2/9.8ma and 9.1/10.2ma) 1-3% matched (close Gm)

$ 59.99
(!!!!) (Best Pair #1) 6BQ5 GE branded RCA gray plate NOS 1980 era (52ma and 52.8ma)

(!!!!) (Best Pair #1) 6BQ5 GE branded RCA gray plate NOS 1980 era (52ma and 52.8ma)

$ 144.44
(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica

(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica "O" getter NOS 1960 era (74/66.5ma and 78.5/68.5ma) (same Gm)

$ 44.99
(!!!!) (Best Pair #1) 6SN7GTB Sylvania chrome top NOS 1955-1956 (7.0ma/7.4ma and 7.8/7.6ma) (close Gm) (Schiit Freya, Rogue)

(!!!!) (Best Pair #1) 6SN7GTB Sylvania chrome top NOS 1955-1956 (7.0ma/7.4ma and 7.8/7.6ma) (close Gm) (Schiit Freya, Rogue)

$ 139.99
(!!!!) (Best Pair #1) 6U8A Philips by Sylvania NOS 1986 (16.8/8.6ma and 17.5/8.5ma) 1-3% matched

(!!!!) (Best Pair #1) 6U8A Philips by Sylvania NOS 1986 (16.8/8.6ma and 17.5/8.5ma) 1-3% matched

$ 34.99
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