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Preamp tubes

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(!!!) (Best Single) 12AU7WA=6189 Sylvania NOS 1960's (10/10ma) 1-2% section balance

(!!!) (Best Single) 12AU7WA=6189 Sylvania NOS 1960's (10/10ma) 1-2% section balance

$ 29.99
(!!!) 12AU7A GE

(!!!) 12AU7A GE "U" getter like new 1959 (10.8/10.2ma)

$ 24.99
(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)

(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)

$ 119.99
(!!!) 12AU7A GE

(!!!) 12AU7A GE "U" getter low hours/tests like new 1957 (10.0/8.8ma)

$ 24.99
(!!!) (BEST PRICE) 12AU7A GE used/good 1969 - 1980 (4 for $29.99)

(!!!) (BEST PRICE) 12AU7A GE used/good 1969 - 1980 (4 for $29.99)

$ 29.99
(!!!) (Good Value Single) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box (8.6/10ma)

(!!!) (Good Value Single) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box (8.6/10ma)

$ 24.99
(!!!!) (Best Pair #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.2/9.2ma and 9.2/9.0ma) 1-2% matched

(!!!!) (Best Pair #1) 12AU7WA=6189 RT Radio Technique France NOS 1961 (9.2/9.2ma and 9.2/9.0ma) 1-2% matched

$ 259.99
(!!) (BEST GE Pair) 5963=12AU7 GE branded RCA NOS ribbed plates 1978 (13.0/11.4ma and 12.6/11.4ma)

(!!) (BEST GE Pair) 5963=12AU7 GE branded RCA NOS ribbed plates 1978 (13.0/11.4ma and 12.6/11.4ma)

$ 34.99
(!!!) (Best Value Single) 12AU7A=6680=ECC82 AMC by RFT East Germany NOS 1970's (13.0/11.4ma)

(!!!) (Best Value Single) 12AU7A=6680=ECC82 AMC by RFT East Germany NOS 1970's (13.0/11.4ma)

$ 19.99
(!!!) (Recommended Pair) 5963 gray plates NOS 1967-1973 (9.4/9.09ma and 8.4/9.0ma)

(!!!) (Recommended Pair) 5963 gray plates NOS 1967-1973 (9.4/9.09ma and 8.4/9.0ma)

$ 34.99
(!) ECC82=12AU7 Valvo Holland used/good 75-90% 1968 (7.8/9.0ma)

(!) ECC82=12AU7 Valvo Holland used/good 75-90% 1968 (7.8/9.0ma)

$ 21.99
(!!!) (Good Value Single) 12AU7 Philips Australia NOS 1970 era (9.6/8.8ma) (same internals as Holland made)

(!!!) (Good Value Single) 12AU7 Philips Australia NOS 1970 era (9.6/8.8ma) (same internals as Holland made)

$ 44.44
(!!!!) (Best Value Single) 12AU7 Philips Miniwatt Holland like new 1961 large

(!!!!) (Best Value Single) 12AU7 Philips Miniwatt Holland like new 1961 large "O" getter halo (9.6/11ma)

$ 99.99
(!!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS

(!!!) (Best Single) 12AU7A Tungsol tall ribbed plates NOS "O" getter halo 1960 era (10.8/11.4ma)

$ 59.99
(!!!!) (Best Pair 1960-1962) ECC82=12AU7 Philips Miniwatt Holland NOS 1960-1962 (9.2/10.4ma and 8.8/10.2ma) (sweet sound)

(!!!!) (Best Pair 1960-1962) ECC82=12AU7 Philips Miniwatt Holland NOS 1960-1962 (9.2/10.4ma and 8.8/10.2ma) (sweet sound)

$ 288.88
(!!!) (BEST PRICE) 12AU7A GE used/good 1971 - 1978 (4 for $29.99)

(!!!) (BEST PRICE) 12AU7A GE used/good 1971 - 1978 (4 for $29.99)

$ 29.99
(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)

(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)

$ 99.99
(!!!!!) (Best Pair #1) ECC82=12AU7 Philips Holland 1969 same date codes (11.0/11.5ma and 11.4/11.2ma) (sweet sound) 1-3% matched

(!!!!!) (Best Pair #1) ECC82=12AU7 Philips Holland 1969 same date codes (11.0/11.5ma and 11.4/11.2ma) (sweet sound) 1-3% matched

$ 319.99
(!!!) (SINGLE) 12AU7 RCA tall black plates

(!!!) (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)

$ 29.99
(!!!!) (Slightlly microphonic single) JAN-CHS-12AU7 Sylvania

(!!!!) (Slightlly microphonic single) JAN-CHS-12AU7 Sylvania "black plates" with "D" getter halo NOS 1951 (9.2/9.8ma)

$ 19.99
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