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Preamp tubes

 
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(!!!) (Recommended Single) JAN-2C51=5670 Sylvania gray plates NOS

(!!!) (Recommended Single) JAN-2C51=5670 Sylvania gray plates NOS "D" getter 1960 (6.2/6.4ma) 1-3% section balance

$ 38.88
(!!) (Best Value Single) JAN-5670W GE NOS 1986 (10/7.5ma)

(!!) (Best Value Single) JAN-5670W GE NOS 1986 (10/7.5ma)

$ 18.99
(!!!!) (Single) 2C51=396A Western Electric D getter used/good 1954, pin #4 shorter (5.0ma/5.6ma)

(!!!!) (Single) 2C51=396A Western Electric D getter used/good 1954, pin #4 shorter (5.0ma/5.6ma)

$ 88.88
(!!!!) (Best Pair #1) 5670W GE NOS 1986 (9.0/8.2ma and 8.6/9.0ma) 1-3% matched

(!!!!) (Best Pair #1) 5670W GE NOS 1986 (9.0/8.2ma and 8.6/9.0ma) 1-3% matched

$ 54.88
(!!!!) (Best Pair #3) 5670W GE NOS 1986 (7.8/8.8ma and 7.6/8.2ma) 1-5% matched

(!!!!) (Best Pair #3) 5670W GE NOS 1986 (7.8/8.8ma and 7.6/8.2ma) 1-5% matched

$ 48.88
(!!!!) (Best Pair #2) 5670W GE NOS 1986 (9.4/11ma and 9.8/11.6ma) 1-5% matched (Highest Ma and Gm)

(!!!!) (Best Pair #2) 5670W GE NOS 1986 (9.4/11ma and 9.8/11.6ma) 1-5% matched (Highest Ma and Gm)

$ 48.88
(!!!!) (Best Single #2) 5670W GE JAN NOS 1986 (9.0/9.8ma) 1-5% balance (Highest Gm)

(!!!!) (Best Single #2) 5670W GE JAN NOS 1986 (9.0/9.8ma) 1-5% balance (Highest Gm)

$ 27.99
(!!!!) (Best Pair #3) 5670W GE NOS 1986 (8.4/7.2ma and 8.0/7.4ma) (Same Gm) 1-2% matched

(!!!!) (Best Pair #3) 5670W GE NOS 1986 (8.4/7.2ma and 8.0/7.4ma) (Same Gm) 1-2% matched

$ 48.88
(!!!!) (Best Pair #1) 5670W GE NOS 1986-1987 (9.8/8.8ma and 9.0/9.8ma) 1-3% matched (close Gm)

(!!!!) (Best Pair #1) 5670W GE NOS 1986-1987 (9.8/8.8ma and 9.0/9.8ma) 1-3% matched (close Gm)

$ 54.99
(!!!!) (Single) 5670W GE JAN NOS 1986 (8.6/8.8ma)

(!!!!) (Single) 5670W GE JAN NOS 1986 (8.6/8.8ma)

$ 29.99
(!!!) (Best Single) 2C51=5670 Sylvania NOS 1970's (8.8/8.4ma)

(!!!) (Best Single) 2C51=5670 Sylvania NOS 1970's (8.8/8.4ma)

$ 34.99
(!!!) (Single) JHS-5670 Sylvania NOS 1966 (7.0/6.8ma)

(!!!) (Single) JHS-5670 Sylvania NOS 1966 (7.0/6.8ma)

$ 29.99
(!!) (Single) JAN-5670W GE used/good 1970's (6.8/6.0ma)

(!!) (Single) JAN-5670W GE used/good 1970's (6.8/6.0ma)

$ 14.99
(!!!!) (Best Value Single) 5670W GE JAN NOS 1986 (8/10.4ma)

(!!!!) (Best Value Single) 5670W GE JAN NOS 1986 (8/10.4ma)

$ 19.99
(!!!) (Best Value Single) 5670W GE JAN NOS 1986 (7.2/9.2ma)

(!!!) (Best Value Single) 5670W GE JAN NOS 1986 (7.2/9.2ma)

$ 21.99
(!!!!) (Best Single #1) 2C51=5670 Sylvania NOS 1970's (9.2/9.0ma) 1-3% section balance

(!!!!) (Best Single #1) 2C51=5670 Sylvania NOS 1970's (9.2/9.0ma) 1-3% section balance

$ 39.99
(!!!!) (Best Overall Single) 5670W GE JAN NOS 1986 (8.2/8.2ma) (Same Gm) 1% section balance

(!!!!) (Best Overall Single) 5670W GE JAN NOS 1986 (8.2/8.2ma) (Same Gm) 1% section balance

$ 31.99
(!!!!) (BEST SINGLE #2) 2C51=396A=5670 GE NOS

(!!!!) (BEST SINGLE #2) 2C51=396A=5670 GE NOS "D" getter gray plates 1960 era rebranded National 1970's (8/7ma)

$ 41.99
(!!!!) (BEST SINGLE #4) 5670=2C51 GE NOS

(!!!!) (BEST SINGLE #4) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (8.6/6.2ma)

$ 34.99
(!!!!) (BEST SINGLE #5) 5670=2C51 GE NOS

(!!!!) (BEST SINGLE #5) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (6.8/10.6ma)

$ 34.99
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