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(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)

(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)

$ 59.99
(!!!) (Recommended Pair) 12AZ7A GE Admiral black plates NOS 1960 (10/9ma and 9.2/10.5ma) (McIntosh MC275)

(!!!) (Recommended Pair) 12AZ7A GE Admiral black plates NOS 1960 (10/9ma and 9.2/10.5ma) (McIntosh MC275)

$ 39.99
(!!!) (Recommended Pair) 12AZ7A GE gray plates NOS 1969-1970 (8.2/8.0ma and 8.7/8.8ma) (McIntosh MC275)

(!!!) (Recommended Pair) 12AZ7A GE gray plates NOS 1969-1970 (8.2/8.0ma and 8.7/8.8ma) (McIntosh MC275)

$ 39.99
(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))

(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))

$ 39.99
(!!!) (Recommended Pair) 12B4A Sylvania and Sylvania Westinghouse NOS 1950's - 1960 similar build (42.5ma and 45.5ma)

(!!!) (Recommended Pair) 12B4A Sylvania and Sylvania Westinghouse NOS 1950's - 1960 similar build (42.5ma and 45.5ma)

$ 27.99
(!!!) (Recommended Pair) 12BZ7 National Union branded Admiral and Sylvania

(!!!) (Recommended Pair) 12BZ7 National Union branded Admiral and Sylvania "U" getter NOS 1960-1961 era (1.6/1.6ma and 1.7/1.8ma)

$ 49.99
(!!!) (Recommended Pair) 12BZ7 RCA NOS 1964 and 1968 (1.8/1.8ma and 1.8/1.9ma)

(!!!) (Recommended Pair) 12BZ7 RCA NOS 1964 and 1968 (1.8/1.8ma and 1.8/1.9ma)

$ 49.99
(!!!) (Recommended Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)

(!!!) (Recommended Pair) 12SL7GT RCA black plates NOS 1974 (2.1/2.2ma and 2.3/2.4ma) (same Gm)

$ 19.99
(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)

(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)

$ 44.99
(!!!) (Recommended Pair) 26 Sylvania branded Zenith black plate NOS 1946 (4.9ma and 5.0ma) (rare) 1% matched

(!!!) (Recommended Pair) 26 Sylvania branded Zenith black plate NOS 1946 (4.9ma and 5.0ma) (rare) 1% matched

$ 59.99
(!!!) (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)

(!!!) (Recommended Pair) 30 RCA Cunningham engraved base 1930's low hours/test like new (3.3ma and 3.4ma)

$ 34.99
(!!!) (Recommended Pair) 56 National Union rebranded Western Electronics NOS 1940's (4.9ma and 5.1ma)

(!!!) (Recommended Pair) 56 National Union rebranded Western Electronics NOS 1940's (4.9ma and 5.1ma)

$ 24.99
(!!!) (Recommended Pair) 6005W Sylvania JAN black plate clear glass NOS 1971-1979 (53.0ma and 54.6ma)

(!!!) (Recommended Pair) 6005W Sylvania JAN black plate clear glass NOS 1971-1979 (53.0ma and 54.6ma)

$ 41.99
(!!!) (Recommended Pair) 6094 Bendix gold pins used/good 1956 1st series made (52.5ma and 54ma)

(!!!) (Recommended Pair) 6094 Bendix gold pins used/good 1956 1st series made (52.5ma and 54ma)

$ 219.99
(!!!) (Recommended Pair) 6AU6A RCA used/test like new 1960's (7.8ma and 8.0ma)

(!!!) (Recommended Pair) 6AU6A RCA used/test like new 1960's (7.8ma and 8.0ma)

$ 13.99
(!!!) (Recommended Pair) 6BK7B Tungsol black plates NOS

(!!!) (Recommended Pair) 6BK7B Tungsol black plates NOS "O" getter 1960's (7.5/8.6ma and 8.2/9.4ma)

$ 49.99
(!!!) (Recommended Pair) 6BK7B Tungsol gray plates NOS

(!!!) (Recommended Pair) 6BK7B Tungsol gray plates NOS "O" getter 1960's (10/11ma and 10.6/13.2ma)

$ 39.99
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)

(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)

$ 24.99
(!!!) (Recommended Pair) 6BX7GT GE branded RCA NOS 1958 and 1963 (47ma/52ma and 45/50ma)

(!!!) (Recommended Pair) 6BX7GT GE branded RCA NOS 1958 and 1963 (47ma/52ma and 45/50ma)

$ 39.99
(!!!) (Recommended Pair) 6DZ4 GE NOS 1960's (21ma and 22ma)

(!!!) (Recommended Pair) 6DZ4 GE NOS 1960's (21ma and 22ma)

$ 11.99
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