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Preamp tubes

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(!!!!) (2nd Best Single) 5842=417A Amperex

(!!!!) (2nd Best Single) 5842=417A Amperex "PQ" Holland "D" getter Gold Pins NOS 1956-1959 (23ma)

$ 64.99
(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

(!!!!) (Recommended Pair) 417A Western Electric NOS 1969 (28ma and 33ma)

$ 299.99
(!!!!) (Recommended Pair 1970's) 417A Western Electric NOS 1973-1977 (27ma and 31.2ma)

(!!!!) (Recommended Pair 1970's) 417A Western Electric NOS 1973-1977 (27ma and 31.2ma)

$ 279.99
(!!!!) (Best Value Pair) 5842Q Raytheon NOS 1983 (19.2ma and 19.5ma) 1-2% matched

(!!!!) (Best Value Pair) 5842Q Raytheon NOS 1983 (19.2ma and 19.5ma) 1-2% matched

$ 59.99
(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (27ma and 29.5ma)

(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (27ma and 29.5ma)

$ 89.99
(!!!!) (Best Value Pair) 5842Q Raytheon NOS 1983 (20ma and 21ma)

(!!!!) (Best Value Pair) 5842Q Raytheon NOS 1983 (20ma and 21ma)

$ 64.99
(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (35ma and 37ma)

(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (35ma and 37ma)

$ 99.99
(!!!!) (Best Pair #2) 5842Q Raytheon NOS 1983 (23ma and 24ma) 1-3% matched

(!!!!) (Best Pair #2) 5842Q Raytheon NOS 1983 (23ma and 24ma) 1-3% matched

$ 89.99
(!!!!) (Set of 10) 5842Q Raytheon NOS 1983 (10 tubes for $279.99) (all test between 19ma-24ma

(!!!!) (Set of 10) 5842Q Raytheon NOS 1983 (10 tubes for $279.99) (all test between 19ma-24ma

$ 279.99
(!!!!) (Best Pair #1) JAN-5842WA Raytheon NOS 1984 original boxes (28ma and 30ma) 1-5% matched

(!!!!) (Best Pair #1) JAN-5842WA Raytheon NOS 1984 original boxes (28ma and 30ma) 1-5% matched

$ 84.99
(!!!!) (Best Pair) 417A Western Electric NOS 1981-1982 (33ma and 33.5ma)

(!!!!) (Best Pair) 417A Western Electric NOS 1981-1982 (33ma and 33.5ma)

$ 299.99
(!!!!) (Best Pair) 417A Western Electric NOS 1981-1982 (32ma and 31.5ma)

(!!!!) (Best Pair) 417A Western Electric NOS 1981-1982 (32ma and 31.5ma)

$ 299.99
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