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$58.45
Sylvania ECC83 12AX7 Short Black Plate Tested Like NOS Balanced Tube
$35.00
New ListingSylvania 12AX7/ECC83 Long Black Plate Square Getter TV7 Tested Strong
$35.00
SYLVANIA 12AX7 / ECC83 Long Black Plate Angled Square Vacuum Tube TV7 NOS
$139.99
(1) NOS NIB Sylvania 12AX7/ECC83 Military Long Black Plate Tube ~ TESTS STRONG!
$99.99
12AX7 Sylvania Black Plate NOS/NIB MaxiPreamp2/TV7 Tested (1)Tube Lot
$237.49
12AX7 SYLVANIA USA MATCHED-PAIR D-GETTER BLACK-PLATE 1959! 1500/1500 +1600/1600
$59.99
12AX7 Sylvania Black Plate Rectangle Getter MaxiPreamp2/TV7 tested (1) tube lot
$42.95
Sylvania 12AX7 Vacuum Tube / Long Black Plates - D Getter / KT1
$299.99
(2) MATCHED NOS NIB Sylvania 12AX7 Long Black Plate Tubes ~ 1955 ~ TEST STRONG!
$74.95
Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate
$44.95
SYLVANIA 5751 TUBE TRIPLE MICA BLACK PLATE SQUARE GETTER (LOWER GAIN 12AX7)
$60.00
Sylvania 12AX7 Test NOS Green Letter Long Black Copper Grid Serious Tubes D541
$275.00
4 Sylvania Gold Brand GB-5751 12AX7 Triple mica Black Plate tube TV7 Strong
$49.99
2 x 5751 (12ax7) Sylvania Tubes*D-getter*Lower Testing*Black Plates-D*3-Mica*
$45.00
Sylvania 12AX7 Clear Top Black Plate Vacuum Tube Square Getter TV7 Strong
$116.99
RARE Matched Pair Sylvania Gold Brand 12AT7/ECC81 tubes Black Plates Gold Pins
$350.00
Pair of Sylvania 12AX7 ECC83 NOS NIB Black Plate 1951 Vacuum Tubes Matching Date
$149.99
STRONG 1949 Sylvania 12AX7 Vacuum Tube Long Black Plate Rare ECC83 Equivalent
$125.00
NOS 5751 12ax7 black Plates Triple Mica Dual Support Rods Sylvania Gold Brand
$52.49
Strong Minneapolis Honeywell Short Black Plate Square D Getter 12AX7 ECC83 Tube
$27.99
1 x 12AU7 Sylvania Tube*Black Plates-D*Very Strong Testing*(4 Avail)1954
$79.99
RARE Matched Pair 5814 WA/12au7 Black Plates Triple Mica Top Square Getter Tubes
$499.00
4 NOS SYLVANIA 12AX7 LONG BLACK PLATE D GETTER AUDIO TUBE / RARE
$49.95
MATCHED PAIR SYLVANIA 12AU7 Long Black Plate [] Getter VACUUM TUBES Test 10.8496
$33.99
2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #18
$39.99
RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes
$19.99
Nice Tested Black Sylvania 12AX7 / Old Vintage Ham Radio Tube Guitar Audio Amp
$29.99
(2) Sylvania 12AU7/ECC82 Short Black Plates Square Getters Tested Strong Pair
$78.12
Brand New In Box Gain Matched Trio (3) Electro-Harmonix 12AX7 Vacuum Tubes
$86.15
New Electro-Harmonix 12AX7 ECC83 GOLD PINS Gain Matched Pair (2) Vacuum Tubes
$44.58
New In Box Gain Matched Pair JJ Electronics Tesla 12AX7 ECC83-S Vacuum Tubes
$117.77
Seven (7) 1955 Sylvania 12AU7A ECC82 Short Black Plate D Top Getter Preamp Tubes
$29.99
2 Strong Matched SYLVANIA Short Black Plate Square D Getter 12AU7A / ECC82 Tubes
$275.00
Matched Pair Sylvania JHS 5751/12AX7/ECC83 Triple Mica Black Plate Square Getter
$36.99
2 x 12AU7 Sylvania Tubes*Long Black Plates-D* Strong Pair* #19
$79.00
2 Vintage RCA/Sylvania 12AT7 JHS Black Plates Military Tube Hi Fi Guitar Amp
$58.99
4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested Quad*1950's #9
$19.95
Sylvania Black Plate 12AT7 - ECC81 Vacuum Tube / KT1
$159.99
JHS-12AX7/ECC83 Sylvania 1955 Black Plate NOS/NIB MaxiPreamp2/TV-7 tested
$125.00
NOS 5751WA 12ax7WA black Plates Triple Mica Dual Support Rods Quiet Musical
$25.00
Tested Strong Pair Sylvania 12AT7 Preamp Tubes Black Plts 3 Mica Slant Getters
$20.00
Strong Sylvania 12AT7 ECC81 Black Plates Copper Grid Halo Get Serious Tubes D740
$36.99
RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes
$54.99
RARE Matched Pair Sylvania 12au7/ECC82 Black plates tubes []-getter - Test NEW
$17.99
1 x 12AU7 Sylvania Tube*Black Plates-D*Uneven Testing*1954
$20.00
Lot Of 2 sylvania 12au7 black plate TV7 Tested Strong
$19.22
NOS SYLVANIAVA 12AT7/ECC81 AUDIO VACUUM TUBE BLACK PLATE O GETTER TV-7 TESTED.
$7.99
Sylvania 12AU7 ECC82 Black Long Plate TUBE D Slant Getter Hickok Tested 74%NOS L
$83.99
4 x 12AU7 Sylvania Tubes*Long Black Plates-D*Strong Testing Quad*1950's #10
$17.95
Vintage 1953 Sylvania USA 12AU7 ECC82 - Black Plates - TV-7 Tested as NOS
$95.00
1 Sylvania US air force gold brand 5751 black plates 3 mica = 12AX7 ECC83 7025
$399.00
Sylvania 5751 12AX7 Tubes Pair, Black Plate, 3 Mica, D getter, NOS testing
$44.99
Sylvania 12AT7/ECC81 lf ABA Black Ribbed Plate Halo Getter Tested on B&K 707
$44.95
MAXI PREAMP TESTED SYLVANIA 5751 TUBE TRIPLE MICA BLACK PLATE LOWER GAIN 12AX7
$17.22
SYLVANIA 12AU7/ECC82 AUDIO VACUUM TUBE BLACK PLATE D GETTER TV-7 TESTED NEW.
$49.99
3 x 12AU7 Sylvania Tubes*Long Black Plates-D*Tested* #21
$25.00
Sylvania 12AU7 Test NOS Long Shiny Black Plates Copper Grid Serious Tubes D825
$15.00
Sylvania Philco 12AU7A ECC82 Test NOS/Strong Short Black Plate Serious Tube D706
$30.00
2 SYLVANIA JHS 5814 BLACK PLATE VACUUM TUBES
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![MATCHED PAIR SYLVANIA 12AU7 Long Black Plate [] Getter VACUUM TUBES Test 10.8496](/uploaded/https://i.ebayimg.com/images/g/POoAAOSwTnxnviAc/s-l140.jpg)
![RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes](/uploaded/https://i.ebayimg.com/images/g/UEgAAOSwZnZnN6B-/s-l140.jpg)
![RARE Matched Pair Sylvania 12au7/ECC82 Short Black plates []-getter tubes](/uploaded/https://i.ebayimg.com/images/g/P~gAAOSwGidnN6El/s-l140.jpg)
![RARE Matched Pair Sylvania 12au7/ECC82 Black plates tubes []-getter - Test NEW](/uploaded/https://i.ebayimg.com/images/g/F4IAAOSwg7hl9XVo/s-l140.jpg)
