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(!!!) (Good Value Single) 12AX7 GE tall narrow ribbed plates used/good

(!!!) (Good Value Single) 12AX7 GE tall narrow ribbed plates used/good "D" getter 1952 (Gm=1300/1600) (oldest 12AX7)

$ 79.99
(!!!) (Good Value Single) 12AX7A RCA Magnavox ribbed plates used/good 1961 (Gm=1500/1900 and 0.8/1.3ma)

(!!!) (Good Value Single) 12AX7A RCA Magnavox ribbed plates used/good 1961 (Gm=1500/1900 and 0.8/1.3ma)

$ 54.99
(!!!) (Good Value Single) 5751 GE

(!!!) (Good Value Single) 5751 GE "5 Star" black plates triple mica U getter 1959 used/good (1.7/1.8ma)

$ 59.99
(!!!) (Good Value Single) 5751 GE

(!!!) (Good Value Single) 5751 GE "5 Star" gray plates triple mica "O" getter 1960 used/good (1.7/2.0ma)

$ 69.99
(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1952 double large

(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1952 double large "O" mica (8.6/7.0ma) (rare)

$ 59.99
(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 double large

(!!!) (Good Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 double large "O" mica - vertical crack in base (9.8/8.2ma) (rare)

$ 59.99
(!!!) (Good Value Single) 6SN7GTB Tungsol tall bottle used/good 1960 era (7.5/7.5ma) 1% section balance

(!!!) (Good Value Single) 6SN7GTB Tungsol tall bottle used/good 1960 era (7.5/7.5ma) 1% section balance

$ 59.99
(!!!) (Good Value) JG-5814A GE triple mica

(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)

$ 29.99
(!!!) (MATCHED QUAD) JAN-CW-231D Western Electric NOS 1953 (1.6/1.6/1.6/1.5ma) 1-2% matched

(!!!) (MATCHED QUAD) JAN-CW-231D Western Electric NOS 1953 (1.6/1.6/1.6/1.5ma) 1-2% matched

$ 249.99
(!!!) (Mullard Pair) 6BM8=ECL82 RTC by Mullard UK NOS 1975 (2.2/34ma and 2.0/38ma)

(!!!) (Mullard Pair) 6BM8=ECL82 RTC by Mullard UK NOS 1975 (2.2/34ma and 2.0/38ma)

$ 139.99
(!!!) (Mullard Pair) ECL82=6BM8 RTC England by Mullard UK NOS 1974-1977 (2.1/30ma and 2.1/29ma) 1-3% matched

(!!!) (Mullard Pair) ECL82=6BM8 RTC England by Mullard UK NOS 1974-1977 (2.1/30ma and 2.1/29ma) 1-3% matched

$ 139.99
(!!!) (nice single) USN-6922=E88CC Amperex USA gold pins used/like new 1962 (16/12.8ma)

(!!!) (nice single) USN-6922=E88CC Amperex USA gold pins used/like new 1962 (16/12.8ma)

$ 79.99
(!!!) (PAIR 1940's) 6AC7 RCA used/good 1941-1942 (7.8/7.5ma)

(!!!) (PAIR 1940's) 6AC7 RCA used/good 1941-1942 (7.8/7.5ma)

$ 8.99
(!!!) (PAIR) 6AN8A RCA NOS 1972-1973 (14.4/12.4ma and 15.2/11.8ma)

(!!!) (PAIR) 6AN8A RCA NOS 1972-1973 (14.4/12.4ma and 15.2/11.8ma)

$ 39.99
(!!!) (PAIR) 6AS6 Mullard BVA UK NOS 1974 (4.5ma and 4.4ma) (tubedrve)

(!!!) (PAIR) 6AS6 Mullard BVA UK NOS 1974 (4.5ma and 4.4ma) (tubedrve)

$ 19.99
(!!!) (Pair) 6FQ7 RCA clear top NOS

(!!!) (Pair) 6FQ7 RCA clear top NOS "O" getter halo 1970's (6.6/6.0ma and 6.0/6.4ma) (close Gm)

$ 89.99
(!!!) (Pair) CX-301A Cunningham Balloon used/good 1930-1935 (2.2ma and 2.5ma)

(!!!) (Pair) CX-301A Cunningham Balloon used/good 1930-1935 (2.2ma and 2.5ma)

$ 59.99
(!!!) (Pair) CX-326 Cunningham balloon used/good 1930 era (4.2ma and 4.5ma) same Gm

(!!!) (Pair) CX-326 Cunningham balloon used/good 1930 era (4.2ma and 4.5ma) same Gm

$ 49.99
(!!!) (Pair) ECC808=6KX8 Telefunken Diamond Bottom NOS 1965 (1.0/0.8ma and 0.8/1.0ma)

(!!!) (Pair) ECC808=6KX8 Telefunken Diamond Bottom NOS 1965 (1.0/0.8ma and 0.8/1.0ma)

$ 149.99
(!!!) (PAIR) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.2ma and 7.2ma)

(!!!) (PAIR) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (7.2ma and 7.2ma)

$ 79.99
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