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3pcs NIB Sylvania 12AT7 Black Plate Tubes ECC81
3pcs NIB Sylvania 12AT7 Black Plate Tubes ECC81

$59.99

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2 NOS *PAIR 12AD7 SYLVANIA BLACK PLATES TUBES SQUARE GETTERS PREMIUM 12AX7 ECC83
2 NOS *PAIR 12AD7 SYLVANIA BLACK PLATES TUBES SQUARE GETTERS PREMIUM 12AX7 ECC83

$187.50

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Sylvania 12BH7A Black Plates Square Getter 12au7 Type audio Tube
Sylvania 12BH7A Black Plates Square Getter 12au7 Type audio Tube

$45.00

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PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES
PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES

$240.00

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Sylvania 12AX7 Long Black Plate Vacuum Tube Square Getter TV7 Strong
Sylvania 12AX7 Long Black Plate Vacuum Tube Square Getter TV7 Strong

$45.00

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Sylvania 12AX7 Clear Top Black Plate Vacuum Tube Square Getter TV7 Strong
Sylvania 12AX7 Clear Top Black Plate Vacuum Tube Square Getter TV7 Strong

$45.00

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1950s Sylvania 12AX7 (ECC83)Tube - 17mm Long Black Plates; Tests @ 42/42, min:32
1950s Sylvania 12AX7 (ECC83)Tube - 17mm Long Black Plates; Tests @ 42/42, min:32

$39.95

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Sylvania 12ax7/ECC83 Black plates []-getter tube - Test NOS
Sylvania 12ax7/ECC83 Black plates []-getter tube - Test NOS

$39.99

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RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes
RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes

$36.99

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1952 Sylvania JHS-12AX7 (ECC83)Tube- 17mm Long Black Plates;Tests @ 44/46,min:32
1952 Sylvania JHS-12AX7 (ECC83)Tube- 17mm Long Black Plates;Tests @ 44/46,min:32

$44.95

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1953 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 47/43, min:32
1953 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 47/43, min:32

$42.95

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1955 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 40/43, min:32
1955 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 40/43, min:32

$37.50

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SYLVANIA 12BZ7 BLK PLATE PLATINUM MATCHED PAIR Best SUB for 12ax7 TV7 tested
SYLVANIA 12BZ7 BLK PLATE PLATINUM MATCHED PAIR Best SUB for 12ax7 TV7 tested

$77.47

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MATCHED PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES
MATCHED PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES

$280.00

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RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes
RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes

$39.99

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Pair of Sylvania JHS 12AX7 NOS NIB Black Plate 1960 & 1959 Vacuum Tubes
Pair of Sylvania JHS 12AX7 NOS NIB Black Plate 1960 & 1959 Vacuum Tubes

$550.00

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STRONG 1949 Sylvania 12AX7 Vacuum Tube Long Black Plate Rare ECC83 Equivalent
STRONG 1949 Sylvania 12AX7 Vacuum Tube Long Black Plate Rare ECC83 Equivalent

$149.99

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2 x 5751 (12ax7) Sylvania Tubes*D-getter*Lower Testing*Black Plates-D*3-Mica*
2 x 5751 (12ax7) Sylvania Tubes*D-getter*Lower Testing*Black Plates-D*3-Mica*

$49.99

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2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #19
2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #19

$36.99

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1952 Sylvania JHS-12AX7 (ECC83)Tube-17mm Long Black Plates;Tests @ 47/46,min:32
1952 Sylvania JHS-12AX7 (ECC83)Tube-17mm Long Black Plates;Tests @ 47/46,min:32

$45.95

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Sylvania 12AD7 Low Noise 12AX7 Vacuum Tube Tested Good Smooth Black Plate
Sylvania 12AD7 Low Noise 12AX7 Vacuum Tube Tested Good Smooth Black Plate

$69.95

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RARE Sylvania 12au7/ECC82 LONG Black plates []-getter tube - 1950s
RARE Sylvania 12au7/ECC82 LONG Black plates []-getter tube - 1950s

$17.99

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1 SYLVANIA 5814A 3 Mica Black Plate vacuum tube Tests Strong (12AU7/ECC82)
1 SYLVANIA 5814A 3 Mica Black Plate vacuum tube Tests Strong (12AU7/ECC82)

$29.99

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Philco by Sylvania 12AU7 ECC82 Tall Black Plate Test Good Vintage Preamp Tube
Philco by Sylvania 12AU7 ECC82 Tall Black Plate Test Good Vintage Preamp Tube

$4.95

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RARE Sylvania 12au7/ECC82 LONG Black plates []-getter tube - 1950s
RARE Sylvania 12au7/ECC82 LONG Black plates []-getter tube - 1950s

$14.99

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2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #18
2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #18

$33.99

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RARE Matched Pair NOS/NIB Sylvania 12au7/ECC82 Black plates tubes []-getter
RARE Matched Pair NOS/NIB Sylvania 12au7/ECC82 Black plates tubes []-getter

$79.99

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A MATCHED PAIR OF SYLVANIA 12AT7/ECC81 BLACKPLATE NOS/NIB VACUUM TUBES
A MATCHED PAIR OF SYLVANIA 12AT7/ECC81 BLACKPLATE NOS/NIB VACUUM TUBES

$75.00

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NOS 5751 12ax7 black Plates Triple Mica Dual Support Rods Sylvania Gold Brand
NOS 5751 12ax7 black Plates Triple Mica Dual Support Rods Sylvania Gold Brand

$112.50

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3 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested* #21
3 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested* #21

$49.99

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2 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Pair 6% Matched #17
2 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Pair 6% Matched #17

$53.99

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2 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Pair 6% Matched #16
2 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Pair 6% Matched #16

$63.99

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Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate
Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate

$74.95

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Sylvania 12BY7A Test NOS 9750gm FOR PEKOKIKO Black Plate Serious Tubes S274
Sylvania 12BY7A Test NOS 9750gm FOR PEKOKIKO Black Plate Serious Tubes S274

$9.00

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3x Sylvania 12AU7 Tubes Long Black Plate - TV7 Tested
3x Sylvania 12AU7 Tubes Long Black Plate - TV7 Tested

$30.00

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Sylvania 12AU7 ECC82 Black Long Plate TUBE D Slant Getter Hickok Tested 74%NOS L
Sylvania 12AU7 ECC82 Black Long Plate TUBE D Slant Getter Hickok Tested 74%NOS L

$13.50

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3 Sylvania 12AU7 Tubes Black Plates D Getter Tested
3 Sylvania 12AU7 Tubes Black Plates D Getter Tested

$18.86

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12AX7 JHS SYLVANIA 17MM BLACK PLATE VINTAGE TUBE JAN NOS NIB (1954) *eTRACER* #4
12AX7 JHS SYLVANIA 17MM BLACK PLATE VINTAGE TUBE JAN NOS NIB (1954) *eTRACER* #4

$179.99

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NOS Burroughs 5751 12AX7S ecc83 black Plates Triple Mica Dual Support Rods
NOS Burroughs 5751 12AX7S ecc83 black Plates Triple Mica Dual Support Rods

$130.50

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2 Black Plate DGetter Sylvania 12AX7 ~ Holy Grail Musical Pair w/ Boxes ~ NOS
2 Black Plate DGetter Sylvania 12AX7 ~ Holy Grail Musical Pair w/ Boxes ~ NOS

$379.00

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12AX7 JHS SYLVANIA 17MM BLACK PLATE VINTAGE TUBE JAN NOS NIB (1955) *eTRACER*
12AX7 JHS SYLVANIA 17MM BLACK PLATE VINTAGE TUBE JAN NOS NIB (1955) *eTRACER*

$179.99

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RARE Matched Pair Sylvania Gold Brand 12AT7/ECC81 tubes Black Plates Gold Pins
RARE Matched Pair Sylvania Gold Brand 12AT7/ECC81 tubes Black Plates Gold Pins

$119.99

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RARE Matched Pair Sylvania 12au7/ECC82 Black plates tubes []-getter - Test NEW
RARE Matched Pair Sylvania 12au7/ECC82 Black plates tubes []-getter - Test NEW

$54.99

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4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Quad 6% Matched #14
4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Super Strong Quad 6% Matched #14

$115.00

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Pair of Sylvania JHS 12AX7 NOS NIB Black Plate 1960 Vacuum Tubes
Pair of Sylvania JHS 12AX7 NOS NIB Black Plate 1960 Vacuum Tubes

$550.00

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4 NOS SYLVANIA 12AX7 LONG BLACK PLATE D GETTER AUDIO TUBE / RARE
4 NOS SYLVANIA 12AX7 LONG BLACK PLATE D GETTER AUDIO TUBE / RARE

$499.00

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4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested Quad*1950's #9
4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested Quad*1950's #9

$58.99

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1 NOS Sylvania 12BY7 A Tube - Black Plates
1 NOS Sylvania 12BY7 A Tube - Black Plates

$14.57

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1 x 12AU7 Sylvania Tube*Black Plates-D*Uneven Testing*1954
1 x 12AU7 Sylvania Tube*Black Plates-D*Uneven Testing*1954

$17.99

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2 × Sylvania Vacuum Tubes Black Plate 12AT7/ECC81 NOS Factory Box (DS121)
2 × Sylvania Vacuum Tubes Black Plate 12AT7/ECC81 NOS Factory Box (DS121)

$68.99

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1 x 12AU7 Sylvania Tube*Black Plates-D*Very Strong Testing*(4 Avail)1954
1 x 12AU7 Sylvania Tube*Black Plates-D*Very Strong Testing*(4 Avail)1954

$27.99

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4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Strong Testing Quad*1950's #10
4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Strong Testing Quad*1950's #10

$83.99

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RARE Sylvania JHS 12au7/ECC82 Black plates tube []-getter - Test NEW
RARE Sylvania JHS 12au7/ECC82 Black plates tube []-getter - Test NEW

$29.99

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JHS-12AU7/ECC82 Sylvania 17mm Black Plates MaxiPreamp2/TV-7 tested (1) tube lot
JHS-12AU7/ECC82 Sylvania 17mm Black Plates MaxiPreamp2/TV-7 tested (1) tube lot

$59.99

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Used Sylvania 5751 Black Plate Tube - Amplitrex Tested - 3-Mica
Used Sylvania 5751 Black Plate Tube - Amplitrex Tested - 3-Mica

$65.00

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1962 Sylvania JHS 12BY7 NOS NIB Black Plate Copper Grid Halo Serious Tubes R874
1962 Sylvania JHS 12BY7 NOS NIB Black Plate Copper Grid Halo Serious Tubes R874

$12.00

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Strong Sylvania 12BY7A Grey Glass Black Plate Copper Grid Serious Tubes P833
Strong Sylvania 12BY7A Grey Glass Black Plate Copper Grid Serious Tubes P833

$7.00

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2 GE RCA sylvania black plate 12AX7 NOS in BOX
2 GE RCA sylvania black plate 12AX7 NOS in BOX

$329.99

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Sylvania 12AU7 Test Near NOS Short Black Plates Slant Halo Get Serious Tube R970
Sylvania 12AU7 Test Near NOS Short Black Plates Slant Halo Get Serious Tube R970

$14.00

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Sylvania 12BY7A Black Plate
Sylvania 12BY7A Black Plate

$5.99

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Two SYLVANIA 12AU7 Tubes NIB Black Plate Angle D GM[%] 113/104 113/109 AMPLITREX
Two SYLVANIA 12AU7 Tubes NIB Black Plate Angle D GM[%] 113/104 113/109 AMPLITREX

$65.95

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Strong Sylvania 12AU7 Long Black Ladder Plates Copper Grid Serious Tubes D312
Strong Sylvania 12AU7 Long Black Ladder Plates Copper Grid Serious Tubes D312

$15.00

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Brimar England 12AT7 ECC81 Valve Tube Balance Black Plate D-Get NOS NIB Sylvania
Brimar England 12AT7 ECC81 Valve Tube Balance Black Plate D-Get NOS NIB Sylvania

$59.95

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1 Sylvania US air force gold brand 5751 black plates 3 mica = 12AX7 ECC83 7025
1 Sylvania US air force gold brand 5751 black plates 3 mica = 12AX7 ECC83 7025

$95.00

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Lot Of 3 12AU7 Sylvania Tubes Black Plates D Getter TV7U Tested Strong
Lot Of 3 12AU7 Sylvania Tubes Black Plates D Getter TV7U Tested Strong

$45.00

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5751 SYLVANIA JHS 3 MICA BLACK PLATE VINTAGE TUBE NOS NIB (1958) *eTRACER* #6
5751 SYLVANIA JHS 3 MICA BLACK PLATE VINTAGE TUBE NOS NIB (1958) *eTRACER* #6

$149.99

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6679 12AT7 SYLVANIA BLACK PLATE COMMUNICATIONS GRADE TUBE VINTAGE NOS *eTRACER*
6679 12AT7 SYLVANIA BLACK PLATE COMMUNICATIONS GRADE TUBE VINTAGE NOS *eTRACER*

$49.99

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NOS NIB SYLVANIA ECC81/12AT7WA 3 MICA BLACK PLATE MATCHED PAIR EURO MILITARY
NOS NIB SYLVANIA ECC81/12AT7WA 3 MICA BLACK PLATE MATCHED PAIR EURO MILITARY

$79.00

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SYLVANIA 12V6GT Black Plate Foil Getter POWER RADIO VACUUM TUBE Tested Q.1367-D
SYLVANIA 12V6GT Black Plate Foil Getter POWER RADIO VACUUM TUBE Tested Q.1367-D

$11.95

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5751 WA SYLVANIA JHS 3 MICA BLACK PLATE Gold Print VINTAGE TUBE NOS NIB (1959)
5751 WA SYLVANIA JHS 3 MICA BLACK PLATE Gold Print VINTAGE TUBE NOS NIB (1959)

$125.00

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Sylvania 5751 wa triple mica black plate ecc83 12ax7
Sylvania 5751 wa triple mica black plate ecc83 12ax7

$85.00

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Vintage CHS Sylvania JAN 12AU7 Long Black Plates 12AU7 ECC82 Vacuum Tube
Vintage CHS Sylvania JAN 12AU7 Long Black Plates 12AU7 ECC82 Vacuum Tube

$33.99

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2 x NOS NIB JAN 12AU7 Sylvania Black Plate Tubes - TV-7 Tested - 1951
2 x NOS NIB JAN 12AU7 Sylvania Black Plate Tubes - TV-7 Tested - 1951

$100.00

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12AT7 ( ECC81 ) SYLVANIA NOS NIB Black Plates O Getter Matched Tubes MADE IN USA
12AT7 ( ECC81 ) SYLVANIA NOS NIB Black Plates O Getter Matched Tubes MADE IN USA

$73.58

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12AT7 ( ECC81 ) SYLVANIA NOS NIB Black Plates O Getter Tested Tube MADE IN USA
12AT7 ( ECC81 ) SYLVANIA NOS NIB Black Plates O Getter Tested Tube MADE IN USA

$36.79

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AUDIOPHILE PAIR SYLVANIA BLACK PLATE 12AU7 SQ GETTER ++ AT1000 MATCHED ++
AUDIOPHILE PAIR SYLVANIA BLACK PLATE 12AU7 SQ GETTER ++ AT1000 MATCHED ++

$24.90

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12AU7 Sylvania Black Square Boxed T Plates Matched Tubes
12AU7 Sylvania Black Square Boxed T Plates Matched Tubes

$100.00

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1 x NOS Sylvania 12AU7A - ECC82 Test GOOD Black Long Plates Triode Vacuum Tube
1 x NOS Sylvania 12AU7A - ECC82 Test GOOD Black Long Plates Triode Vacuum Tube

$31.75

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DELCO (SYLVANIA) 12V6GT Black Plate POWER Radio VACUUM TUBE Tested USA Q.1366-D
DELCO (SYLVANIA) 12V6GT Black Plate POWER Radio VACUUM TUBE Tested USA Q.1366-D

$11.95

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2NOS BlackPlate DGetter TripleMica Sylvania 5814A/5814WA ~ HolyGrail 12AU7 ECC82
2NOS BlackPlate DGetter TripleMica Sylvania 5814A/5814WA ~ HolyGrail 12AU7 ECC82

$449.00

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2 Sylvania 1 Raytheon NOS 12BY7A Tube Halo Getter Blk Plates Test Strong
2 Sylvania 1 Raytheon NOS 12BY7A Tube Halo Getter Blk Plates Test Strong

$57.00

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12AU7A ( ECC82 ) SYLVANIA Black Plates [] Getter Tested Tube Balanced Sections
12AU7A ( ECC82 ) SYLVANIA Black Plates [] Getter Tested Tube Balanced Sections

$31.58

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++++ Matched PAIR 12V6GT SYLVANIA SUPER CHROME TOP BLACK PLATE Tubes ++++
++++ Matched PAIR 12V6GT SYLVANIA SUPER CHROME TOP BLACK PLATE Tubes ++++

$29.80

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12AU7A ( ECC82 ) SYLVANIA Black Plates [] Getter Tested Tube Made in USA
12AU7A ( ECC82 ) SYLVANIA Black Plates [] Getter Tested Tube Made in USA

$31.52

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12AU7 ( ECC82 ) SYLVANIA Black Plate NOS [] Getter Tested Tube Made in USA
12AU7 ( ECC82 ) SYLVANIA Black Plate NOS [] Getter Tested Tube Made in USA

$94.76

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12AT7WC ( E81CC ) SYLVANIA NOS Black Plates O Getter Matched Tubes Made In...
12AT7WC ( E81CC ) SYLVANIA NOS Black Plates O Getter Matched Tubes Made In...

$73.58

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Vintage Tested Good Philco 12BY7 Radio Amp Amplifier Vacuum Tubes Black Plate
Vintage Tested Good Philco 12BY7 Radio Amp Amplifier Vacuum Tubes Black Plate

$20.00

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Four 12BY7A Tubes, High Ratings, Black Plate, By Sylvania
Four 12BY7A Tubes, High Ratings, Black Plate, By Sylvania

$18.00

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VACUUM TUBE 12AU7 SYLVANIA MILITARY JHS BLACK PLATES LARGE TOP RECTANGULAR GETTE
VACUUM TUBE 12AU7 SYLVANIA MILITARY JHS BLACK PLATES LARGE TOP RECTANGULAR GETTE

$19.99

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12AT7WC ( E81CC ) SYLVANIA NOS NIB Black Plates O Getter Tested Tube
12AT7WC ( E81CC ) SYLVANIA NOS NIB Black Plates O Getter Tested Tube

$31.52

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1 x NOS Sylvania 12AU7A - ECC82 Test V.GOOD Black Long Plates Triode Vacuum Tube
1 x NOS Sylvania 12AU7A - ECC82 Test V.GOOD Black Long Plates Triode Vacuum Tube

$44.90

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12V6 GT DELCO by SYLVANIA Black Plates Tested Tube Made in USA '55
12V6 GT DELCO by SYLVANIA Black Plates Tested Tube Made in USA '55

$12.54

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NOS Sylvania USA 12V6GT Black Plate Top Get Chrome Top Tube Guaranteed
NOS Sylvania USA 12V6GT Black Plate Top Get Chrome Top Tube Guaranteed

$8.95

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H.H.Scott 222C Stereo Tube Amplifier Brimar CV4004 Half Box Plate Sylvania 7189
H.H.Scott 222C Stereo Tube Amplifier Brimar CV4004 Half Box Plate Sylvania 7189

$775.00

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2 X 12BY7A SYLVANIA/RCA TUBE. 1950/60s PROD. BLACK PLATES. 112. CH168
2 X 12BY7A SYLVANIA/RCA TUBE. 1950/60s PROD. BLACK PLATES. 112. CH168

$61.74

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1 X 12AU7 / ECC82 SYLVANIA TUBE. 1960s PROD. 17MM BLACK PLATES. 14. CH168
1 X 12AU7 / ECC82 SYLVANIA TUBE. 1960s PROD. 17MM BLACK PLATES. 14. CH168

$50.55

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1 X 12BY7A / 12BV7A SYLVANIA TUBE. 1960s PROD. BLACK PLATES.COPPER RODS.3.CH165
1 X 12BY7A / 12BV7A SYLVANIA TUBE. 1960s PROD. BLACK PLATES.COPPER RODS.3.CH165

$33.43

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RCA Sylvania Black Plate 12BY7A 12DQ7 12BV7 five strong NIB beam power tube
RCA Sylvania Black Plate 12BY7A 12DQ7 12BV7 five strong NIB beam power tube

$56.00

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1953 Sylvania JHS 12AU7 NOS NIB Long Black Plates Copper Grid Serious Tubes D21
1953 Sylvania JHS 12AU7 NOS NIB Long Black Plates Copper Grid Serious Tubes D21

$35.00

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Sylvania 12BY7A NOS NIB 11000gm Black Plates Copper Grid Halo Serious Tubes R978
Sylvania 12BY7A NOS NIB 11000gm Black Plates Copper Grid Halo Serious Tubes R978

$12.00

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