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One Strong 1950's Matched Pair Sylvania Military Spec VT-231 6SN7GT
One Strong 1950's Matched Pair Sylvania Military Spec VT-231 6SN7GT

$149.00

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NOS PAIR JAN CHS 6SN7GT VT-231 SYLVANIA TUBES BAD BOY PLATES FOIL GETTER B65 USA
NOS PAIR JAN CHS 6SN7GT VT-231 SYLVANIA TUBES BAD BOY PLATES FOIL GETTER B65 USA

$168.75

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Matched Pair 12SN7GT RCA NOS (12v 6sn7) Black Plates Bottom D Getters White Lane
Matched Pair 12SN7GT RCA NOS (12v 6sn7) Black Plates Bottom D Getters White Lane

$60.00

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6SN7-GT Ken-Rad VT-231 Matched Pair Black Glass.
6SN7-GT Ken-Rad VT-231 Matched Pair Black Glass.

$250.00

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2 TungSol CTL 6SN7GT Black Tube / pair / Low Result / Tung Sol
2 TungSol CTL 6SN7GT Black Tube / pair / Low Result / Tung Sol

$149.00

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Ken-Rad 6SN7GT tubes - T6
Ken-Rad 6SN7GT tubes - T6

$30.00

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3 CBS Black Plate 6SN7GT Tubes
3 CBS Black Plate 6SN7GT Tubes

$27.99

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Nice Trio of Tested 1950's Raytheon 6SN7GT/B Vacuum Tubes, with Bonus Tube
Nice Trio of Tested 1950's Raytheon 6SN7GT/B Vacuum Tubes, with Bonus Tube

$38.99

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Rare NOS GE 6SN7GTB Tubes MATCHED 6sn7gt 6sn7 VT-231 Amplitrex Tested L@@K!!
Rare NOS GE 6SN7GTB Tubes MATCHED 6sn7gt 6sn7 VT-231 Amplitrex Tested L@@K!!

$60.00

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QTY 25 - EMPTY WHITE VACUUM TUBE BOXES - For 6V6GT, 6SN7GT, 12SK7... & Similar
QTY 25 - EMPTY WHITE VACUUM TUBE BOXES - For 6V6GT, 6SN7GT, 12SK7... & Similar

$18.95

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Vintage Jan CRP 6SN7GT Raytheon VT-231 Fully Tested Strong Vintage Tube
Vintage Jan CRP 6SN7GT Raytheon VT-231 Fully Tested Strong Vintage Tube

$99.99

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Pair Hytron 6SN7GT Tubes Black Plate TV7 Tested String
Pair Hytron 6SN7GT Tubes Black Plate TV7 Tested String

$45.00

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NOS 6SN7GT 6Sn7gtb NOS Brimar ITT Carbonized Black Plates
NOS 6SN7GT 6Sn7gtb NOS Brimar ITT Carbonized Black Plates

$135.00

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MATCHED PAIR SYLVANIA 6SN7GT Flat Black Plate VACUUM TUBES TESTED NOS B.10151.C
MATCHED PAIR SYLVANIA 6SN7GT Flat Black Plate VACUUM TUBES TESTED NOS B.10151.C

$74.95

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Matched Pair 6SN7GT CBS Hytron NOS 2 Hole Black T Plates Bad Boys Bottom Da
Matched Pair 6SN7GT CBS Hytron NOS 2 Hole Black T Plates Bad Boys Bottom Da

$135.00

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MATCHED PAIR RAYTHEON 6SN7GT Black Plate FOIL Getter PREMIUM VACUUM TUBES F.7816
MATCHED PAIR RAYTHEON 6SN7GT Black Plate FOIL Getter PREMIUM VACUUM TUBES F.7816

$79.95

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6SN7GT Vacuum Tube Zenith Brand Mfg by Sylvania Preamps Amps Audio HiFi VT231
6SN7GT Vacuum Tube Zenith Brand Mfg by Sylvania Preamps Amps Audio HiFi VT231

$6.79

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2 Strong Matched HYVAC Black Plate Bottom D Getter 6SN7GT Tubes
2 Strong Matched HYVAC Black Plate Bottom D Getter 6SN7GT Tubes

$20.99

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6SN7 GT Vacuum Tube TESTED *Single Unit* No Box
6SN7 GT Vacuum Tube TESTED *Single Unit* No Box

$5.49

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Raytheon 6SN7GT, 1939, black sides, clear top - T24
Raytheon 6SN7GT, 1939, black sides, clear top - T24

$20.00

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2 RCA 6SN7GT Tubes (USA)
2 RCA 6SN7GT Tubes (USA)

$34.99

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SYLVANIA 6SN7GT 2-Hole "BAD BOY" Plate Tubes Bottom Getter Matched Date Codes
SYLVANIA 6SN7GT 2-Hole "BAD BOY" Plate Tubes Bottom Getter Matched Date Codes

$125.00

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Raytheon 6SN7GT Black Plates Maxi Preamp Tested
Raytheon 6SN7GT Black Plates Maxi Preamp Tested

$19.00

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Sylvania 6SN7GT Vintage Admiral Black Plate Tube!
Sylvania 6SN7GT Vintage Admiral Black Plate Tube!

$14.99

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(1) 6SN7 GT Tube & (1) 6x5GT Tube Tests GOOD!!
(1) 6SN7 GT Tube & (1) 6x5GT Tube Tests GOOD!!

$17.95

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High Efficiency 6SN7 GT TUBE ,fully Tested Works 100%
High Efficiency 6SN7 GT TUBE ,fully Tested Works 100%

$20.00

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Grey Smoked RCA USA 6SN7GT 6SN7 Vacuum Tube TV7 Tested Strong 50/85-88
Grey Smoked RCA USA 6SN7GT 6SN7 Vacuum Tube TV7 Tested Strong 50/85-88

$37.00

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PAIR RAYTHEON 1950/52 6SN7GT BLACK PLATE TUBES, TV-7 TESTED #A-16
PAIR RAYTHEON 1950/52 6SN7GT BLACK PLATE TUBES, TV-7 TESTED #A-16

$43.99

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SYLVANIA VT-231 WWII ERA 2-Hole "BAD BOY" Tubes PLATINUM MATCH on AT1000 6SN7GT
SYLVANIA VT-231 WWII ERA 2-Hole "BAD BOY" Tubes PLATINUM MATCH on AT1000 6SN7GT

$299.16

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Matched Pair Sylvania 6SN7-GT Matched Pair Black Plates
Matched Pair Sylvania 6SN7-GT Matched Pair Black Plates

$135.00

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Matched Pair 6SN7 GT CBS Hytron NOS 2 Hole Black Plates Bottom D Getters
Matched Pair 6SN7 GT CBS Hytron NOS 2 Hole Black Plates Bottom D Getters

$135.00

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Matched Pair JAN CLRV 12SX7-GT Black Plates D Getters Tall Boy (6sn7 12sn7)
Matched Pair JAN CLRV 12SX7-GT Black Plates D Getters Tall Boy (6sn7 12sn7)

$135.00

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2, Sylvania 6SN7GTA, black, 3-rivet Bad Boy, chrome dome, match date pr, 6SN7GT
2, Sylvania 6SN7GTA, black, 3-rivet Bad Boy, chrome dome, match date pr, 6SN7GT

$108.95

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Pair Tug-Sol 6SN7GT Mouse Ears Black Plate Vacuum Tubes TV7 Test Strong
Pair Tug-Sol 6SN7GT Mouse Ears Black Plate Vacuum Tubes TV7 Test Strong

$90.00

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RCA JAN CRC 6SN7-GT VT-231 TUBE TV7 TESTED STRONG
RCA JAN CRC 6SN7-GT VT-231 TUBE TV7 TESTED STRONG

$38.00

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Set of 2 Mixed Brand 6SN7 GT Vacuum Tubes - Used - Tested (Jackson 648S)
Set of 2 Mixed Brand 6SN7 GT Vacuum Tubes - Used - Tested (Jackson 648S)

$15.99

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Sylvania Tubes Black VT-231 JAN-CHS-6SN7gt TESTED Matching Set of 2
Sylvania Tubes Black VT-231 JAN-CHS-6SN7gt TESTED Matching Set of 2

$99.97

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Tung-Sol 6SN7GT ECC33 6SN7 Tubes, Matched Pair, Tested, Bad Boy Plates
Tung-Sol 6SN7GT ECC33 6SN7 Tubes, Matched Pair, Tested, Bad Boy Plates

$100.00

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Matched Quad 12SN7GT RCA NOS (12v 6sn7) 2 Hole Black Plate Round Mica D Getters
Matched Quad 12SN7GT RCA NOS (12v 6sn7) 2 Hole Black Plate Round Mica D Getters

$225.00

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SYLVANIA VT-231 "1940's Mil Spec" BAD BOY Tubes PLATINUM MATCH on AT1000 6SN7GT
SYLVANIA VT-231 "1940's Mil Spec" BAD BOY Tubes PLATINUM MATCH on AT1000 6SN7GT

$254.91

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TUNGSOL 6SN7 GT / VT231 PLATINUM MATCHED PAIR,NATO specs TV 7 tested #2
TUNGSOL 6SN7 GT / VT231 PLATINUM MATCHED PAIR,NATO specs TV 7 tested #2

$777.47

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1950/1951 Sylvania 6SN7GT ECC33 6SN7 Bad Boy Tubes, Matched Pair, NOS, Tested
1950/1951 Sylvania 6SN7GT ECC33 6SN7 Bad Boy Tubes, Matched Pair, NOS, Tested

$140.00

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Pair RCA Victor 6SN7GT Smoke Glass Vacuum Tubes TV7 Tested Strong
Pair RCA Victor 6SN7GT Smoke Glass Vacuum Tubes TV7 Tested Strong

$50.00

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New Gain Tested Tung-Sol Reissue 6SN7GTB Vacuum Tube 6SN7 6SN7GT
New Gain Tested Tung-Sol Reissue 6SN7GTB Vacuum Tube 6SN7 6SN7GT

$51.32

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Raytheon 6SN7GT VT-231 Black Plate Vacuum Tube Hickok Tested 89% NOS L
Raytheon 6SN7GT VT-231 Black Plate Vacuum Tube Hickok Tested 89% NOS L

$22.99

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2 x 6SN7gt Sylvania Tubes*Flat Black Plates*Very Strong & Balanced(6 Pair Avail)
2 x 6SN7gt Sylvania Tubes*Flat Black Plates*Very Strong & Balanced(6 Pair Avail)

$44.98

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LOT OF 2 "MOUSE EARS" 6SN7GT CONCERT MASTER BY TUNG-SOL VACUUM TUBES TESTED
LOT OF 2 "MOUSE EARS" 6SN7GT CONCERT MASTER BY TUNG-SOL VACUUM TUBES TESTED

$80.00

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2X SYLVANIA RED 6SN7 GTB (Hi-Voltage GT/A) TUBES CHROME TOPPED HALO SET
2X SYLVANIA RED 6SN7 GTB (Hi-Voltage GT/A) TUBES CHROME TOPPED HALO SET

$29.00

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Pair of MATCHED, BALANCED, LOW NOISE Sovtek 6SN7GT Vacuum Tubes VERY LOW HOURS
Pair of MATCHED, BALANCED, LOW NOISE Sovtek 6SN7GT Vacuum Tubes VERY LOW HOURS

$50.00

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Sylvania 6SN7GT Black Plates Bad Boy Vacuum Tubes TV7 Strong
Sylvania 6SN7GT Black Plates Bad Boy Vacuum Tubes TV7 Strong

$35.00

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1959 Sylvania 6SN7GT Vintage Admiral Black Plate Chrome Top Tube! T548
1959 Sylvania 6SN7GT Vintage Admiral Black Plate Chrome Top Tube! T548

$19.99

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(1) Tested Very Strong and Balanced Sylvania 6SN7GT Tube Date Code 2-39 6SN7 GT
(1) Tested Very Strong and Balanced Sylvania 6SN7GT Tube Date Code 2-39 6SN7 GT

$30.00

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6SN7GT GE black ladder plate/bottom rect getter Tube, TV-7D Tested 79%+
6SN7GT GE black ladder plate/bottom rect getter Tube, TV-7D Tested 79%+

$9.95

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2 TUNG SOL 6SN7GT D-getter TUBES
2 TUNG SOL 6SN7GT D-getter TUBES

$39.95

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2 x 6SN7gt Ken-Rad Tubes*1950*Very Strong Pair*Black Plates*
2 x 6SN7gt Ken-Rad Tubes*1950*Very Strong Pair*Black Plates*

$149.99

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Used Electron Tube Sylvania 6SN7GT
Used Electron Tube Sylvania 6SN7GT

$15.95

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Philco 6SN7GTA radio tube,6SN7,6SN7GT,matched sections!,Sylvania chrome top
Philco 6SN7GTA radio tube,6SN7,6SN7GT,matched sections!,Sylvania chrome top

$21.95

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4 Nice Tested Vintage Sylvania Made 6SN7GT "Bad-Boy" Vacuum Tubes w/Bonus Tube
4 Nice Tested Vintage Sylvania Made 6SN7GT "Bad-Boy" Vacuum Tubes w/Bonus Tube

$103.99

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US Stock! 4pcs 6N8S / 6H8C / 6SN7GT / 6N8P NEVZ Same Date 1970's tubes NEW
US Stock! 4pcs 6N8S / 6H8C / 6SN7GT / 6N8P NEVZ Same Date 1970's tubes NEW

$30.80

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CBS Hytron 6SN7GT Vacuum Tubes "Bad Boy" Black Plate NOS 113% PLATINUM PLUS 1953
CBS Hytron 6SN7GT Vacuum Tubes "Bad Boy" Black Plate NOS 113% PLATINUM PLUS 1953

$124.99

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NOS 6N8S Matched Pair 6SN7GT Soviet Russia 2 Hole Plate 6H8C Tubes | USA Ship
NOS 6N8S Matched Pair 6SN7GT Soviet Russia 2 Hole Plate 6H8C Tubes | USA Ship

$24.95

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Two, GE 6SN7GTB, side getter, matching pair, 6SN7GT
Two, GE 6SN7GTB, side getter, matching pair, 6SN7GT

$49.95

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Tung Sol Scripted Suberior 6SN7GT Mouse Ear Tube (1)
Tung Sol Scripted Suberior 6SN7GT Mouse Ear Tube (1)

$29.99

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Trio of Tested 1950's CBS/Hytron 6SN7GT "Bad Boy" Vacuum Tubes w/Bonus Tube
Trio of Tested 1950's CBS/Hytron 6SN7GT "Bad Boy" Vacuum Tubes w/Bonus Tube

$77.99

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Tung-Sol 6SN7GT Tube Mouse Ear/ Black Plates, Bottom DGetter Tested 50% NOS
Tung-Sol 6SN7GT Tube Mouse Ear/ Black Plates, Bottom DGetter Tested 50% NOS

$19.99

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Two, Sylvania JAN CHS 6SN7GT, military, 3 rivet Bad Boy, matching pair, 6SN7GT
Two, Sylvania JAN CHS 6SN7GT, military, 3 rivet Bad Boy, matching pair, 6SN7GT

$324.95

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Two, NEW, Sylvania 6SN7WGTA, military, match date pair #5, 6SN7GT, 6SN7GTA eq
Two, NEW, Sylvania 6SN7WGTA, military, match date pair #5, 6SN7GT, 6SN7GTA eq

$158.95

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MATCHED PAIR CBS HYTRON 6SN7GT Bad Boy Style Plates VACUUM TUBES Tested F.7817
MATCHED PAIR CBS HYTRON 6SN7GT Bad Boy Style Plates VACUUM TUBES Tested F.7817

$84.95

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Electron Tubes Sheldon 6SN7GT Lot of 2 untested
Electron Tubes Sheldon 6SN7GT Lot of 2 untested

$24.50

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2 x 6SN7gt Hytron Tubes*2-Hole Black Plates*D-Getter**NOS*NIB*
2 x 6SN7gt Hytron Tubes*2-Hole Black Plates*D-Getter**NOS*NIB*

$100.00

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2 x 6SN7gt Sylvania Tubes*2-Hole Grey* Strong Matched Pair*1948*Bad Boy*#17
2 x 6SN7gt Sylvania Tubes*2-Hole Grey* Strong Matched Pair*1948*Bad Boy*#17

$83.99

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2 x 6SN7gt Raytheon Tubes *Black Plates*D-Getter*Support Rods*Tested*
2 x 6SN7gt Raytheon Tubes *Black Plates*D-Getter*Support Rods*Tested*

$39.99

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RAYTHEON 6SN7GT VT-231 Preamp Tube
RAYTHEON 6SN7GT VT-231 Preamp Tube

$60.00

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Rare NOS RCA 6SN7GTB Tubes MATCHED Black Plate D-Get 6sn7gt 6sn7 VT-231 L@@K!!
Rare NOS RCA 6SN7GTB Tubes MATCHED Black Plate D-Get 6sn7gt 6sn7 VT-231 L@@K!!

$85.00

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Lot Of 4 Sylvania Tubes 6sn7 6SN7gt Jan 6sn7gtb TV7B/U Tested Strong
Lot Of 4 Sylvania Tubes 6sn7 6SN7gt Jan 6sn7gtb TV7B/U Tested Strong

$97.00

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Nice Clean Tested 1957 CBS JAN-CHY-5692/6SN7GT Military Spec. Vacuum Tube
Nice Clean Tested 1957 CBS JAN-CHY-5692/6SN7GT Military Spec. Vacuum Tube

$58.49

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MATCHED PAIR RCA 6SN7GT Smoked Glass PREMIUM Audio VACUUM TUBES Test NOS H.7806
MATCHED PAIR RCA 6SN7GT Smoked Glass PREMIUM Audio VACUUM TUBES Test NOS H.7806

$149.95

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Raytheon JAN CRP 6SN7GT/ VT-231 Tube (1)
Raytheon JAN CRP 6SN7GT/ VT-231 Tube (1)

$59.99

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KEN-RAD 6SN7GT VT-231 Pair Preamp Tubes Test NOS
KEN-RAD 6SN7GT VT-231 Pair Preamp Tubes Test NOS

$100.00

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Two, Raytheon VT-231, 6SN7GT, military, wartime, rods, match date pair, 6SN7GT
Two, Raytheon VT-231, 6SN7GT, military, wartime, rods, match date pair, 6SN7GT

$178.95

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INDUSTRIAL Sylvania 6SN7GT - tested strong
INDUSTRIAL Sylvania 6SN7GT - tested strong

$18.00

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1x Brimar 6SN7GT = VT-231 Black Glass - Yellow Print - British BVA - Near NOS
1x Brimar 6SN7GT = VT-231 Black Glass - Yellow Print - British BVA - Near NOS

$189.00

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2 x 6SN7gt RCA Tubes *Black Plates*Strong Pair*(3 Pair Avail)
2 x 6SN7gt RCA Tubes *Black Plates*Strong Pair*(3 Pair Avail)

$36.99

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MARCONI RADIOTRON Sylvania 6SN7GTB 3-Hole Canada Tall Glass Tubes Pair 6SN7GT
MARCONI RADIOTRON Sylvania 6SN7GTB 3-Hole Canada Tall Glass Tubes Pair 6SN7GT

$85.00

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Tung-Sol VT-231 CTL 6SN7GT Oval Mica Plate Black Glass Audio Tube (test well)
Tung-Sol VT-231 CTL 6SN7GT Oval Mica Plate Black Glass Audio Tube (test well)

$180.00

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Two, NEW, GE 6SN7GTB, side getter, GLOW DOME, matching date pair, 6SN7GT
Two, NEW, GE 6SN7GTB, side getter, GLOW DOME, matching date pair, 6SN7GT

$119.95

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2 x 6SN7gt RCA Tubes *Smoked Glasss*Very Strong Matched Pair*1948*#10
2 x 6SN7gt RCA Tubes *Smoked Glasss*Very Strong Matched Pair*1948*#10

$100.00

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2 x 6SN7gt Raytheon Tubes *Black Plates*D-Getter*Support Rods*Strong Pair*
2 x 6SN7gt Raytheon Tubes *Black Plates*D-Getter*Support Rods*Strong Pair*

$99.99

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5 Nice Tested Vintage RCA Made 6SN7GT/B Vacuum Tubes....................1 Money!
5 Nice Tested Vintage RCA Made 6SN7GT/B Vacuum Tubes....................1 Money!

$43.00

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Strong! Hickok Tested Sylvania JAN CHS Chrome Top 6SN7GT Audio Amplifier Tube
Strong! Hickok Tested Sylvania JAN CHS Chrome Top 6SN7GT Audio Amplifier Tube

$39.00

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Used Electron Tube Sylvania NU Raytheon 6SN7GT
Used Electron Tube Sylvania NU Raytheon 6SN7GT

$38.95

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5 Mixed Lot Raytheon 6SN7GT/GTB Tubes
5 Mixed Lot Raytheon 6SN7GT/GTB Tubes

$35.72

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Pair of RCA 6SN7GT VT-231 1943 Gray Glass Vacuum Tubes
Pair of RCA 6SN7GT VT-231 1943 Gray Glass Vacuum Tubes

$200.00

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SYLVANIA 6SN7 GT TUBE LEGENDARY SILVER BULLET FOIL TOPPED BOXED PLATES NIB MINT
SYLVANIA 6SN7 GT TUBE LEGENDARY SILVER BULLET FOIL TOPPED BOXED PLATES NIB MINT

$52.87

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USED Kenrad VT-231 JAN CKR 6SN7GT Twin Triode date Z4 (1944) B&K747 gm:79/82
USED Kenrad VT-231 JAN CKR 6SN7GT Twin Triode date Z4 (1944) B&K747 gm:79/82

$52.00

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6SN7GTB GE 4 radio audio amplifier vacuum electron tubes valves tested 6SN7GT
6SN7GTB GE 4 radio audio amplifier vacuum electron tubes valves tested 6SN7GT

$27.49

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6SN7 GT TUBE EMERSON TESTED & BOXED VINTAGE COMMERCIAL SURPLUS
6SN7 GT TUBE EMERSON TESTED & BOXED VINTAGE COMMERCIAL SURPLUS

$8.65

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CBS Hytron 6SN7GT Vacuum Tubes "Bad Boy" Black Plate NOS 115% PLATINUM PLUS 1952
CBS Hytron 6SN7GT Vacuum Tubes "Bad Boy" Black Plate NOS 115% PLATINUM PLUS 1952

$124.99

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Pair of RCA JAN VT231 6SN7GT Tubes - 1944 - See Amplitrex Test Scores in Pics
Pair of RCA JAN VT231 6SN7GT Tubes - 1944 - See Amplitrex Test Scores in Pics

$160.00

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KEN-RAD CKR 6SN7 GT VT-231 LEGENDARY BLACK BEAUTY PERFECTLY MATCHING SET NIB
KEN-RAD CKR 6SN7 GT VT-231 LEGENDARY BLACK BEAUTY PERFECTLY MATCHING SET NIB

$538.87

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