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(!!!!!) (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
(!!!!) (Best Pair 1963) 5U4GB GE NOS 1963 same date codes (60-62/40 and 60-60/40 x 2 tubes)

(!!!!) (Best Pair 1963) 5U4GB GE NOS 1963 same date codes (60-62/40 and 60-60/40 x 2 tubes)

$ 79.99
(!!!!) (Best Value Pair #2) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (13.5/18.5ma and 13.5/19.0ma) 1-3% matched

(!!!!) (Best Value Pair #2) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (13.5/18.5ma and 13.5/19.0ma) 1-3% matched

$ 99.99
(!!!!) (Best Value Pair) 6L6WGB=5881 Sylvania and Philips JAN black base 1979-1986 (72ma and 73.4ma)

(!!!!) (Best Value Pair) 6L6WGB=5881 Sylvania and Philips JAN black base 1979-1986 (72ma and 73.4ma)

$ 119.99
(!!!!) (Best Value Pair) 6L6WGB=5881 Sylvania NOS and like new same build 1970's (74ma and 75ma)

(!!!!) (Best Value Pair) 6L6WGB=5881 Sylvania NOS and like new same build 1970's (74ma and 75ma)

$ 129.99
(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)

(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)

$ 34.99
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1975 (19/24.5ma)

(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1975 (19/24.5ma)

$ 49.99
(!!) (Best Value Single) JAN-6922 Sylvania NOS 1971 tilted glass (19.0/17.2ma)

(!!) (Best Value Single) JAN-6922 Sylvania NOS 1971 tilted glass (19.0/17.2ma)

$ 59.99
(!!) (Good Value Single) JAN-5751 GE double mica gray plates NOS 1987 (2.5/2.6ma) 1-2% section balance

(!!) (Good Value Single) JAN-5751 GE double mica gray plates NOS 1987 (2.5/2.6ma) 1-2% section balance

$ 49.99
6528A Cetron used/good 1987 (112/113mA)

6528A Cetron used/good 1987 (112/113mA)

$ 49.99
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