sylvania-6l6gb-tube

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NIB Sylvania 6L6GB Black Plate Silver Top Vacuum Tube TESTED 6L6
NIB Sylvania 6L6GB Black Plate Silver Top Vacuum Tube TESTED 6L6

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Sylvania 6L6GB Black Plates - Amplitrex Tested - See Last Pics For Test Scores
Sylvania 6L6GB Black Plates - Amplitrex Tested - See Last Pics For Test Scores

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Perfect Matched Pair of Tested 1960's Sylvania 6L6GB Vacuum Tubes
Perfect Matched Pair of Tested 1960's Sylvania 6L6GB Vacuum Tubes

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2 x 6L6gb Sylvania Tubes *Very Strong Matched Pair*
2 x 6L6gb Sylvania Tubes *Very Strong Matched Pair*

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Sylvania 6L6GB Black Plate Matched Pair #1 Vintage Vacuum Tubes
Sylvania 6L6GB Black Plate Matched Pair #1 Vintage Vacuum Tubes

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NOS sylvania black plate 6L6GB / 6L6 tube Amplitrex Tested 104% GM
NOS sylvania black plate 6L6GB / 6L6 tube Amplitrex Tested 104% GM

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Nice Sylvania 6L6GB 5881 Tested Good / Old Vintage Ham Radio Tube Audio Amp
Nice Sylvania 6L6GB 5881 Tested Good / Old Vintage Ham Radio Tube Audio Amp

$9.99

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SYLVANIA 6L6GB BLACKPLATE....TESTS VERY STRONG
SYLVANIA 6L6GB BLACKPLATE....TESTS VERY STRONG

$20.00

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(15) NOS to Strong GE & Sylvania 6L6GC & 6L6GB Guitar Audio Tubes
(15) NOS to Strong GE & Sylvania 6L6GC & 6L6GB Guitar Audio Tubes

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SYLVANIA 6L6GB BLACKPLATE--TESTED FULL STRENGTH
SYLVANIA 6L6GB BLACKPLATE--TESTED FULL STRENGTH

$25.00

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1 x 6L6GB Sylvania Black Plate Power Pentode - TV-7 Tested
1 x 6L6GB Sylvania Black Plate Power Pentode - TV-7 Tested

$20.00

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Sylvania Black Plate 6L6GB Vacuum Tube Measuring 85% Gm on Amplitrex
Sylvania Black Plate 6L6GB Vacuum Tube Measuring 85% Gm on Amplitrex

$25.00

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x1 SYLVANIA 6L6GB 6L6 BLACK PLATE O GETTER Tube TV-7 Tested (USA MADE)!
x1 SYLVANIA 6L6GB 6L6 BLACK PLATE O GETTER Tube TV-7 Tested (USA MADE)!

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ONE PAIR OF GM MATCHED SYLVANIA 6L6GB POWER VACUUM TUBES TESTS VERY STRONG
ONE PAIR OF GM MATCHED SYLVANIA 6L6GB POWER VACUUM TUBES TESTS VERY STRONG

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VINTAGE SYLVANIA 6L6GB TUBE HIGH TEST
VINTAGE SYLVANIA 6L6GB TUBE HIGH TEST

$25.00

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Sylvania 6L6GB Radio Tube Tested Strong Black Plates Top O Getter Chrome Top Amp
Sylvania 6L6GB Radio Tube Tested Strong Black Plates Top O Getter Chrome Top Amp

$35.00

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Sylvania 6L6GB Black Plate Matched Pair #2 Vintage Vacuum Tubes
Sylvania 6L6GB Black Plate Matched Pair #2 Vintage Vacuum Tubes

$80.00

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SYLVANIA 6L6GB VINTAGE TUBE - TOP O GETTER - TETSTED SUPERB TV7 OVER NOS 6L6
SYLVANIA 6L6GB VINTAGE TUBE - TOP O GETTER - TETSTED SUPERB TV7 OVER NOS 6L6

$25.00

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Nice Sylvania 6L6GB 5881 Tested Good / Old Vintage Ham Radio Tube Audio Amp 2
Nice Sylvania 6L6GB 5881 Tested Good / Old Vintage Ham Radio Tube Audio Amp 2

$9.99

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Vintage SYLVANIA CONN 6L6GB Vacuum Tube ~ Made in USA
Vintage SYLVANIA CONN 6L6GB Vacuum Tube ~ Made in USA

$26.91

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RARE Sylvania JAN CHS-6L6GA Smoked Glass tube - 1950s
RARE Sylvania JAN CHS-6L6GA Smoked Glass tube - 1950s

$19.99

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Radio Tubes 6L6GB 6L6 United Electron by Sylvania Test 102
Radio Tubes 6L6GB 6L6 United Electron by Sylvania Test 102

$29.99

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Sylvania 6L6GB Tube, Tested Good
Sylvania 6L6GB Tube, Tested Good

$14.50

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Sylvania Black Plate 6L6GB Vacuum Tubes (2) Matched 100% Gm One Missing Lug!!
Sylvania Black Plate 6L6GB Vacuum Tubes (2) Matched 100% Gm One Missing Lug!!

$90.00

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Sylvania 6L6GB Tube Copper Posts Halo Getter
Sylvania 6L6GB Tube Copper Posts Halo Getter

$16.17

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Nice Tested Sylvania 6L6WGB 5881 / Old Vintage Ham Radio Tube Guitar Audio Amp
Nice Tested Sylvania 6L6WGB 5881 / Old Vintage Ham Radio Tube Guitar Audio Amp

$14.99

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6L6GB TUBE, SYLVANIA, TESTED
6L6GB TUBE, SYLVANIA, TESTED

$22.00

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One 1955 Sylvania/CBS 6L6GB (5881,6L6G,6L6GA) tube - TV-7B tested @ 42, min:25
One 1955 Sylvania/CBS 6L6GB (5881,6L6G,6L6GA) tube - TV-7B tested @ 42, min:25

$35.50

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new Matched Pairs of Russian 6Pi3C / 6N3C / 6L6GB / 6L6 tubes + Sylvania 5Y3GT
new Matched Pairs of Russian 6Pi3C / 6N3C / 6L6GB / 6L6 tubes + Sylvania 5Y3GT

$26.99

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One 1956 Sylvania 6L6GB (5881,6L6G,6L6-GA)tube - Hickok TV-7B tests @ 35, min:25
One 1956 Sylvania 6L6GB (5881,6L6G,6L6-GA)tube - Hickok TV-7B tests @ 35, min:25

$25.45

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One Matched Pair of 6L6GB Tubes by Sylvania, Exact Matched High Ratings
One Matched Pair of 6L6GB Tubes by Sylvania, Exact Matched High Ratings

$59.00

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Sylvania Black Plate 6L6GB Vacuum Tubes (3) Amplitrex Tested 98% 89% and 106% Gm
Sylvania Black Plate 6L6GB Vacuum Tubes (3) Amplitrex Tested 98% 89% and 106% Gm

$85.00

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Sylvania 6L6GB Gray Plate Vacuum Tube Amplitrex Tested 102% Labeled Motorola
Sylvania 6L6GB Gray Plate Vacuum Tube Amplitrex Tested 102% Labeled Motorola

$35.00

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1 Sylvania 6L6GB vacuum Tube Tested Good Black Plate Halo Top Getter Clean
1 Sylvania 6L6GB vacuum Tube Tested Good Black Plate Halo Top Getter Clean

$49.00

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Sylvania 6L6WGB Maxi Matcher Tested
Sylvania 6L6WGB Maxi Matcher Tested

$28.95

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Radio Tubes 6L6 Metal Mixed Brands RCA GE Sylvania Philco Quantity 4
Radio Tubes 6L6 Metal Mixed Brands RCA GE Sylvania Philco Quantity 4

$59.99

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Sylvania 6L6GB Black Plate Tested Strong Vintage Vacuum Tube
Sylvania 6L6GB Black Plate Tested Strong Vintage Vacuum Tube

$40.00

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1940s Sylvania 'Leaf' 6L6 metal Power Amp Tube-Hickok 539B tests@ 5900, min:3300
1940s Sylvania 'Leaf' 6L6 metal Power Amp Tube-Hickok 539B tests@ 5900, min:3300

$22.95

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MATCHED Pair 2 Sylvania 6L6GA 6L6GB BLACK Plate TEST STRONG 94-103% NEW NOS
MATCHED Pair 2 Sylvania 6L6GA 6L6GB BLACK Plate TEST STRONG 94-103% NEW NOS

$39.00

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Sylvania 6L6GB Matched Pair #1 Vintage Vacuum Tubes
Sylvania 6L6GB Matched Pair #1 Vintage Vacuum Tubes

$80.00

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6L6GB Sylvania NOS 1960's (63.5ma)
6L6GB Sylvania NOS 1960's (63.5ma)

$5.00

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1 x 6L6GB Sylvania Black Plate Power Pentode - TV-7 Tested NOS
1 x 6L6GB Sylvania Black Plate Power Pentode - TV-7 Tested NOS

$25.00

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x1 WESTINGHOUSE / ( RAYTHEON MADE ) 6L6GB 6L6 BLACK PLATE D GETTER Tube TV-7
x1 WESTINGHOUSE / ( RAYTHEON MADE ) 6L6GB 6L6 BLACK PLATE D GETTER Tube TV-7

$22.72

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SYLVANIA 6L6GB NOS matched quad
SYLVANIA 6L6GB NOS matched quad

$500.00

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SYLVANIA 6L6GB ELECTRON TUBE "SHOWN TESTED"
SYLVANIA 6L6GB ELECTRON TUBE "SHOWN TESTED"

$15.00

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3 NOS Sylvania 6L6GB Vacuum Tubes - Black Plates - Amplitrex Tested - Matched
3 NOS Sylvania 6L6GB Vacuum Tubes - Black Plates - Amplitrex Tested - Matched

$88.00

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Sylvania 6L6GB Matched Pair #3 Vintage Vacuum Tubes
Sylvania 6L6GB Matched Pair #3 Vintage Vacuum Tubes

$100.00

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1950s Sylvania 6L6 metal Power Amp Tube - Hickok 539B tests @ 5700, min:3300
1950s Sylvania 6L6 metal Power Amp Tube - Hickok 539B tests @ 5700, min:3300

$19.95

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New Unused CEI 5881 6L6GB / Old Vintage Ham Radio Tube Receiver Guitar Audio Amp
New Unused CEI 5881 6L6GB / Old Vintage Ham Radio Tube Receiver Guitar Audio Amp

$14.99

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One Matched Quad of Heavy Duty 6L6WGB Tubes, By Sylvania, Extra High Ratings
One Matched Quad of Heavy Duty 6L6WGB Tubes, By Sylvania, Extra High Ratings

$189.00

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1 X 6L6GB SYLVANIA TUBE. 1950s PROD. COPPER RODS. 101% CA ENA
1 X 6L6GB SYLVANIA TUBE. 1950s PROD. COPPER RODS. 101% CA ENA

$67.41

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6L6GB (Sylvania) Conn USA used tubes one matched pair
6L6GB (Sylvania) Conn USA used tubes one matched pair

$71.51

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1 Sylvania 6L6GB vacuum Tube Tested Good Black Plate Halo Top Getter Clean
1 Sylvania 6L6GB vacuum Tube Tested Good Black Plate Halo Top Getter Clean

$20.00

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NOS Sylvania 6L6GC TallBoy PowerTube ~ Dual DiscGetter ~ KT66 El37 Grail Audio
NOS Sylvania 6L6GC TallBoy PowerTube ~ Dual DiscGetter ~ KT66 El37 Grail Audio

$175.00

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6L6GB (2) Vacuum Tubes Sylvania Matched
6L6GB (2) Vacuum Tubes Sylvania Matched

$100.00

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Antique Sylvania Big Bottle 6L6 Tube
Antique Sylvania Big Bottle 6L6 Tube

$27.00

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One Closely Matched 6L6WGB Tubes, By Sylvania, Good Ratings.
One Closely Matched 6L6WGB Tubes, By Sylvania, Good Ratings.

$67.00

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6L6GB SYLVANIA Black Plates Top O Getter Matched Tubes Same Data Made in USA '49
6L6GB SYLVANIA Black Plates Top O Getter Matched Tubes Same Data Made in USA '49

$63.47

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6L6GB SYLVANIA NOS Black Plates Top O Getter Matched Pair Tubes Made in USA '50s
6L6GB SYLVANIA NOS Black Plates Top O Getter Matched Pair Tubes Made in USA '50s

$176.98

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Factory Matched Pair Tube Amp Doctor TAD 6L6 6L6GC 6L6GCM-STR REDBASE
Factory Matched Pair Tube Amp Doctor TAD 6L6 6L6GC 6L6GCM-STR REDBASE

$80.00

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2 Matched NOS Sylvania 6L6GC Power Tubes ~ Solid DiscGetter ~ EL37 KT66 Fender
2 Matched NOS Sylvania 6L6GC Power Tubes ~ Solid DiscGetter ~ EL37 KT66 Fender

$295.00

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TAD 6L6GCM STR REDBASE
TAD 6L6GCM STR REDBASE

$44.95

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One Matched Quad of Heavy Duty 6L6WGB Tubes, Sylvania, Exact Ratings
One Matched Quad of Heavy Duty 6L6WGB Tubes, Sylvania, Exact Ratings

$169.00

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TAD 6L6GCM STR REDBASE
TAD 6L6GCM STR REDBASE

$82.90

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VINTAGE POWER & RECTIFIER TUBES (3) PHILCO SYLVANIA 6L6 GA 6L6 GB 5U4 GB TESTED
VINTAGE POWER & RECTIFIER TUBES (3) PHILCO SYLVANIA 6L6 GA 6L6 GB 5U4 GB TESTED

$50.00

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1 x NOS Fender TallBoy 6L6GC Power Audio Tube ~ Vintage Holy Grail ~ KT66 EL37
1 x NOS Fender TallBoy 6L6GC Power Audio Tube ~ Vintage Holy Grail ~ KT66 EL37

$175.00

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2 x NOS Fender TallBoy 6L6GC DualDisc Getter PowerTubes ~ Grail Audio KT66 EL37
2 x NOS Fender TallBoy 6L6GC DualDisc Getter PowerTubes ~ Grail Audio KT66 EL37

$375.00

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Tube Amp Doctor 6L6GCM-STR REDBASE Premium Tube Set Factory Matched Pair RT102
Tube Amp Doctor 6L6GCM-STR REDBASE Premium Tube Set Factory Matched Pair RT102

$64.00

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Matched Quad 6l6WGB Sylvania Tubes
Matched Quad 6l6WGB Sylvania Tubes

$125.00

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Sylvania 6L6 GB Tube 1959 Audio Vacuum Tubes Guitar
Sylvania 6L6 GB Tube 1959 Audio Vacuum Tubes Guitar

$22.95

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Sylvania 6L6 GB Vacuum Tube
Sylvania 6L6 GB Vacuum Tube

$29.99

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Vintage Sylvania 6L6GB Vacuum Tube Results = 5775 µmhos Very Strong
Vintage Sylvania 6L6GB Vacuum Tube Results = 5775 µmhos Very Strong

$33.99

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SYLVANIA CONN 6L6 GB Vacuum Tube Strong Results 6375
SYLVANIA CONN 6L6 GB Vacuum Tube Strong Results 6375

$34.99

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Sylvania 6L6 GB Vacuum Tube
Sylvania 6L6 GB Vacuum Tube

$36.99

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Conn Sylvania Black Plates 6L6 GB Vacuum Tube Strong Results= 5800
Conn Sylvania Black Plates 6L6 GB Vacuum Tube Strong Results= 5800

$43.99

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Vintage Sylvania 6L6 GB Audio Tube 5775 µmhos 60 mA
Vintage Sylvania 6L6 GB Audio Tube 5775 µmhos 60 mA

$36.99

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Vintage Jan Chs Sylvania 6L6GA Vacuum Tube Very Strong US Navy
Vintage Jan Chs Sylvania 6L6GA Vacuum Tube Very Strong US Navy

$41.99

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Vintage Jan Sylvania 6L6GWB Vacuum Tube Very Strong
Vintage Jan Sylvania 6L6GWB Vacuum Tube Very Strong

$38.99

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Vintage Jan Chs Sylvania 6L6GA Vacuum Tube Very Strong
Vintage Jan Chs Sylvania 6L6GA Vacuum Tube Very Strong

$41.99

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Vintage Sylvania 6L6G Vacuum Tube Guide Pin is Gone
Vintage Sylvania 6L6G Vacuum Tube Guide Pin is Gone

$35.00

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Tube Amp Doctor 6L6GCM-STR Redbase, Premium Matched Pair (2 Tubes)
Tube Amp Doctor 6L6GCM-STR Redbase, Premium Matched Pair (2 Tubes)

$89.87

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