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(!!!!) (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
(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched

(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched

$ 49.99
(!!!) (Best Single #3) 6SN7GTB Sylvania NOS 1960 era (8.6ma and 7.6ma)

(!!!) (Best Single #3) 6SN7GTB Sylvania NOS 1960 era (8.6ma and 7.6ma)

$ 64.99
(!!!) (Best Value) 6SN7GT Sylvania used/good 1951 (7.8/12ma)

(!!!) (Best Value) 6SN7GT Sylvania used/good 1951 (7.8/12ma)

$ 29.99
(!!!) (Recommended Pair) 7N7 Sylvania NOS branded GE and RCA 1960-1965 (9.4/8.0ma and 8.0/8.4ma) (close Gm)

(!!!) (Recommended Pair) 7N7 Sylvania NOS branded GE and RCA 1960-1965 (9.4/8.0ma and 8.0/8.4ma) (close Gm)

$ 49.99
(!!!) (Single) 6SN7GTB Sylvania chrome top NOS 1957 (8.2ma and 9.6ma)

(!!!) (Single) 6SN7GTB Sylvania chrome top NOS 1957 (8.2ma and 9.6ma)

$ 69.99
(!!) (Best Single #2) 6SN7GTB Sylvania branded GM DELCO chrome top NOS 1957 (8.0ma/7.6ma) (High Gm)

(!!) (Best Single #2) 6SN7GTB Sylvania branded GM DELCO chrome top NOS 1957 (8.0ma/7.6ma) (High Gm)

$ 69.99
(!!) (Best Single #2) 6SN7GTB Sylvania branded RCA NOS 1963 (8.0ma/8.8ma)

(!!) (Best Single #2) 6SN7GTB Sylvania branded RCA NOS 1963 (8.0ma/8.8ma)

$ 69.99
(!!) (Best Single) 6AH4GT Sylvania branded Hytron

(!!) (Best Single) 6AH4GT Sylvania branded Hytron "D" getter NOS 1954 (48ma) (Highest mA and Gm)

$ 19.99
(!!) (Best Single) 7N7 Sylvania branded Philco NOS parallel black plates 1940's (7.5/7.9ma)

(!!) (Best Single) 7N7 Sylvania branded Philco NOS parallel black plates 1940's (7.5/7.9ma)

$ 29.99
(!!) (Single) 6SN7GTA Philco Sylvania

(!!) (Single) 6SN7GTA Philco Sylvania "chrome top" used/good 1954 (6.4/6.8ma)

$ 44.99
(!!) (SINGLE) 6SN7GTA Sylvania branded Standard

(!!) (SINGLE) 6SN7GTA Sylvania branded Standard "chrome top" NOS 1953 (8ma/7.2ma) (Same Gm)

$ 59.99
(!!) (Single) 6SN7WGT Sylvania brown base used/good 1954 some nicks on base (6.0/7.2ma)

(!!) (Single) 6SN7WGT Sylvania brown base used/good 1954 some nicks on base (6.0/7.2ma)

$ 39.99
(!!) 6SN7GTA Crosley Sylvania

(!!) 6SN7GTA Crosley Sylvania "chrome top" used/good 1954 (6.8ma/7.4ma)

$ 44.99
(!!) 7N7 Sylvania branded Philco used/good short bottle parallel gray plates 1948 (7.2/7.6ma)

(!!) 7N7 Sylvania branded Philco used/good short bottle parallel gray plates 1948 (7.2/7.6ma)

$ 9.99
(!!) 7N7 Sylvania NOS 1960's (8.6/10.2ma)

(!!) 7N7 Sylvania NOS 1960's (8.6/10.2ma)

$ 24.99
(!) (Best Single) 6AH4GT Tungsol ITT NOS 1960's (34ma)

(!) (Best Single) 6AH4GT Tungsol ITT NOS 1960's (34ma)

$ 17.99
(!) (Best Single) 7N7 Sylvania NOS 1960 era (10.8/11.2ma)

(!) (Best Single) 7N7 Sylvania NOS 1960 era (10.8/11.2ma)

$ 24.99
(!) (Good Single) 7N7 Sylvania branded GE NOS 1961-1962 (7.5/8.3ma)

(!) (Good Single) 7N7 Sylvania branded GE NOS 1961-1962 (7.5/8.3ma)

$ 19.99
(READ REVIEW) 6SN7GTB Sylvania chrome top black plates 1956-1958 used/good (7.0/6.8ma and 6.6/6.6ma)

(READ REVIEW) 6SN7GTB Sylvania chrome top black plates 1956-1958 used/good (7.0/6.8ma and 6.6/6.6ma)

$ 0.00
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