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$28.00
NOS Sylvania 12AX7A ECC83 Vacuum Tube 12AX7 Close Matching Sections
$40.00
Sylvania 12AX7A ECC83 NOS NIB Long Grey Copper Grid Halo Get Serious Tubes D528
$27.99
New Listing(1) Sylvania 12AX7A Vacuum Tube Both Sections Matched and TESTS STRONG!
$49.99
Matched Pair of Strong Testing 1960's Sylvania 12AX7A/ECC83/7025 Vacuum Tubes
$199.99
New Listing5 Excellent new in the box sylvania 7025 / 12ax7a / 12ax7 tubes #BB20
$37.50
1955 Sylvania 12AX7 (ECC83 12AX7A)Tube-17mm Long Black Plates;Tests@40/43,min:32
$60.00
Sylvania 7025 12AX7A NOS NIB Long Grey Copper Grid Halo Get Serious Tubes D521
$42.95
1953 Sylvania 12AX7(ECC83 12AX7A)Tube-17mm Long Black Plates;Tests@ 47/43,min:32
$35.22
2 GE/SYLVANIA 12AX7A/12AX7 ECC83 VACUUM TUBES GRAY PLATE O GETTER TV-7 TESTED.
$23.50
Strong Balanced Sylvania 7025 12AX7A ECC83 Halo Getter Tube - Tested
$60.00
NOS NIB SYLVANIA 7025 Low Noise Preamp Tube 12AX7A ECC83
$71.99
12AX7 ECC83 Sylvania 4 radio audio amplifier vacuum tubes valves tested 12AX7A
$198.00
NOS SYLVANIA 7025 (12AX7A) PLATINUM Matched Pair & Date/factory 15mm Plates
$40.00
12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$49.99
7025/12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$59.99
7025/12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$149.99
(2) MATCHED NOS NIB Sylvania 7025 12AX7A Long Plate Tubes ~ Test @ 149%+!
$38.95
1979 Sylvania JAN-12AX7WA 12AX7-WA (ECC83 12AX7A)Tube - TV7B tests@ 58/63,min:32
$29.99
1 Excellent strong new in the box sylvania 7025 / 12ax7a / 12ax7 tube #AA51
$29.99
1 Excellent strong new in the box sylvania 7025 / 12ax7a / 12ax7 tube #AA52
$53.99
2 x 12AX7/A Sylvania Tubes*Long Plates-O*Very Strong Pair*1960's* #7
$39.95
Sylvania 12AX7A Electron Tube Tested Works 21-124L
$39.95
1979 Sylvania JAN-12AX7WA 12AX7-WA (ECC83 12AX7A)Tube - TV7B tests@ 62/64,min:32
$22.49
Strong SYLVANIA Long Gray Plate O Getter 12AX7A / ECC83 Tube - 130/115
$39.78
Vintage Sylvania 12AX7A 7025 Preamp Tube 12AX7 ECC83 Valve #160
$40.00
12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$99.99
(2) Sylvania 12AX7/ECC83/7025 Tubes Strong & Date Matched! (TESTED W/ TV-7D/U)
$18.50
USED SYLVANIA 12AX7A Vacuum TUBE Tests 100% x 2, GOOD GAS x 2 Sale Is For 1 Tube
$59.99
7025/12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$50.00
7025/12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$50.00
7025/12AX7A Sylvania MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
$199.99
(4) Sylvania 12AX7/ECC83/7025 Tubes Strong & Date Matched! (TESTED W/ TV-7D/U)
$34.95
1- DuMont by Sylvania 12AX7A ECC83 12AX7 Vacuum Tube Tested [] Getter Gray Plts
$29.95
Dumont - Sylvania 12AX7A ECC83 Vacuum Tube / Long Grey Plates - O Getter / KT1
$69.00
Pair of 7025A/12AX7A tubes, Sylvania, NOS Ratings, Guitar Amp Specialty Tubes
$39.95
One SYLVANIA 12AX7A ECC83 7025 Tube NOS NIB Grey Plates TV-7 & AMPLITREX Results
$39.95
1950s Sylvania 12AX7 (ECC83)Tube - 17mm Long Black Plates; Tests @ 42/42, min:32
$49.00
SYLVANIA 12AX7A Matching Pair Preamp tubes
$125.00
NOS Sylvania 12AX7A ECC83 long Gray Ridge Plates Rare Vintage Audio Grail
$50.00
7025/12AX7A Sylvania tall plate/copper post MaxiPreamp2/TV-7 tested
$43.99
1 x 12AX7A SylvaniaTube*NOS-NIB*Very Strong Testing#9
$99.99
NOS SYLVANIA 7025 12AX7A PLATINUM LOW-NOISE TUBE with AMPLITREX TOP-TEST RESULTS
$29.99
Sylvania 7025 12AX7A ECC83 Vacuum Tube
$39.95
SYLVANIA 12AX7A 7025 ECC83 Vintage Audio Amplifier VACUUM TUBE Tested 10.8288
$59.99
12AX7A/ECC83/7025 Sylvania NOS/NIB MaxiPreamp2/TV-7 tested READ Description
$299.99
SYLVANIA 7025 (12AX7A) PLATINUM LOW-NOISE TUBES BEST TEST RESULTS TRIO 1800/1800
$89.99
2 Strong Matched SYLVANIA Long Gray Plate O Getter 12AX7A / ECC83 / 7025 Tubes
$24.98
Sylvania? 12AX7A 12AX7 Vacuum Tube Made In USA Tested Gray Plates Square Getter
$29.95
SYLVANIA 12AX7A [] Getter AUDIO Amplifier VACUUM TUBE Tested Strong USA 7.2805-D
$44.00
Pair of 12AX7A (7025, ECC83) tubes, Sylvania, High & Even Ratings
$109.95
Matched PAIR SYLVANIA 12AX7A ECC83 AUDIO VACUUM TUBES TESTED D.10130.C
$74.90
Pair of Sylvania 12AX7A ECC83 TV-7 Tested VACUUM TUBE Strong O-Getter Long Plate
$49.99
One Sylvania 12AX7A Vacuum Tube STRONG ECC83 Equivalent tests 66-65/32 on TV-7D
$50.00
Sylvania 7025 12AX7A Test NOS/Near Long Grey Plates Copper Gr Serious Tubes T885
$20.00
RARE SYLVANIA 12AX7A/ECC83/7025 ORIG. BOX,CLEAN LETTERING/PINS
$99.99
1961 NOS NIB SYLVANIA 7025 (12AX7A) MILITARY LOW-NOISE TUBE SYMMETRIC 1700/1700
$75.00
3 Sylvania Baldwin 12AX7 Vacuum Tubes, USA, Tested, Strong and Balanced
$79.00
Lot of Five 12AX7/A/WA Vacuum Tubes, Sylvania, RCA, Bonus Tube, All Tested Good
$50.00
7025/12AX7A Sylvania tall plate/copper post MaxiPreamp2/TV-7 tested
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![1- DuMont by Sylvania 12AX7A ECC83 12AX7 Vacuum Tube Tested [] Getter Gray Plts](/uploaded/https://i.ebayimg.com/images/g/j24AAOSw2Lpn0LTt/s-l140.jpg)
![SYLVANIA 12AX7A [] Getter AUDIO Amplifier VACUUM TUBE Tested Strong USA 7.2805-D](/uploaded/https://i.ebayimg.com/images/g/sRkAAOSwF7FjPfwF/s-l140.jpg)
