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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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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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SYLVANIA NOS 6SN7GT Matched Pair Black 3 Hole Black T Plates Chrome Tops
SYLVANIA NOS 6SN7GT Matched Pair Black 3 Hole Black T Plates Chrome Tops

$259.20

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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

$225.00

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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

$129.99

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Hytron 6SN7GT Tube Tested Strong on a TV-7
Hytron 6SN7GT Tube Tested Strong on a TV-7

$23.00

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

$30.00

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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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6SN7GT Balanced Tube (New Old Stock) Test New 1 Year Warranty
6SN7GT Balanced Tube (New Old Stock) Test New 1 Year Warranty

$10.45

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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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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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6SN7GT Sylvania Balanced Tube New (New Old Stock) Test New 1 Year Warranty
6SN7GT Sylvania Balanced Tube New (New Old Stock) Test New 1 Year Warranty

$16.45

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NOS 1952 6SN7 GT Platinum Match Pair & Date Codes Black 3 Hole T Plates Chrome
NOS 1952 6SN7 GT Platinum Match Pair & Date Codes Black 3 Hole T Plates Chrome

$270.00

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NOS 1952 6sn7gt BADBOY Black 3 Hole T Plates Bottom D Sylvania / Ge Tube
NOS 1952 6sn7gt BADBOY Black 3 Hole T Plates Bottom D Sylvania / Ge Tube

$135.00

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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 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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6SN7GT VINTAGE TUBES - VARIOUS BRANDS - TUNG SOL, GE, RCA, ETC. ALL TESTED
6SN7GT VINTAGE TUBES - VARIOUS BRANDS - TUNG SOL, GE, RCA, ETC. ALL TESTED

$7.95

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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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6SN7GT RCA Audio Receiver Guitar Preamplifier Vacuum Tubes Tested Pair
6SN7GT RCA Audio Receiver Guitar Preamplifier Vacuum Tubes Tested Pair

$29.00

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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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Tung Sol 6SN7GT tube - T23
Tung Sol 6SN7GT tube - T23

$15.00

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

$34.99

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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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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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Vintage General Electric 6SN7GT Smoked Glass Tested Round Plate Tube Rare Look
Vintage General Electric 6SN7GT Smoked Glass Tested Round Plate Tube Rare Look

$149.00

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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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6SN7GT Sylvania Balanced Bad Boy Tube (New Old Stock) Test New 1 Year Warranty
6SN7GT Sylvania Balanced Bad Boy Tube (New Old Stock) Test New 1 Year Warranty

$20.45

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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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Matched Pair Rare NOS 6SN7GT 1952 Black Flat Plates Bottom D BADBOYS Sylvania
Matched Pair Rare NOS 6SN7GT 1952 Black Flat Plates Bottom D BADBOYS Sylvania

$269.98

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2x Brimar 6SN7GT VT-231 Lower Rectangle Getter - British BVA '50s
2x Brimar 6SN7GT VT-231 Lower Rectangle Getter - British BVA '50s

$468.25

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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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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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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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RCA 6SN7GT Smoke Glass Vacuum Tube TV7 Tested Strong
RCA 6SN7GT Smoke Glass Vacuum Tube TV7 Tested Strong

$25.00

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

$39.95

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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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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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(1) Sylvania 6SA7GT/G & (1) Tung Sol 6SJ7GT & (1) Raytheon 6SN7GT Tests Good!!
(1) Sylvania 6SA7GT/G & (1) Tung Sol 6SJ7GT & (1) Raytheon 6SN7GT Tests Good!!

$12.95

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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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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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6SN7GT RCA Smoked Glass, 10-20% Above Minimum Gm (#9, #11)
6SN7GT RCA Smoked Glass, 10-20% Above Minimum Gm (#9, #11)

$25.00

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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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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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PAIR SYLVANIA 1951 6SN7GT TOUGH DOG MATCHING DATE CODE TUBES, TV-7 TESTED #A-5
PAIR SYLVANIA 1951 6SN7GT TOUGH DOG MATCHING DATE CODE TUBES, TV-7 TESTED #A-5

$66.00

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1961 CBS-Hytron/Westinghouse Brown Base BLACK PLATES 5692 (6SN7GT)
1961 CBS-Hytron/Westinghouse Brown Base BLACK PLATES 5692 (6SN7GT)

$145.00

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

$19.00

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2 CBS 6SN7GT Tubes Tall Bottle Black Plates D Getter TV7 Tested Strong
2 CBS 6SN7GT Tubes Tall Bottle Black Plates D Getter TV7 Tested Strong

$30.00

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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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Closely Matched Pair Sylvania 6SN7GT 2 Holes Round Plate Tested Strong Tube
Closely Matched Pair Sylvania 6SN7GT 2 Holes Round Plate Tested Strong Tube

$68.45

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Tung Sol 6SN7GT tube, used - T12
Tung Sol 6SN7GT tube, used - T12

$20.00

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RCA 6SN7GTA tube,6SN7,6SN7GT,balanced sections!,twin triode,radio,dual getters
RCA 6SN7GTA tube,6SN7,6SN7GT,balanced sections!,twin triode,radio,dual getters

$12.95

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Vintage Vacuum Tube SYLVANIA 6SN7GT
Vintage Vacuum Tube SYLVANIA 6SN7GT

$19.99

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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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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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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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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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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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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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Pair Sylvania 6SN7GT 2-Hole Black Plates Bad Boy Tubes TV7 Strong
Pair Sylvania 6SN7GT 2-Hole Black Plates Bad Boy Tubes TV7 Strong

$80.00

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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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Sylvania 6SN7GT VT-231 Tested Strong Balanced Tube
Sylvania 6SN7GT VT-231 Tested Strong Balanced Tube

$38.45

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6SN7GT GE Clear Glass Made In Canada Vacuum Tube TV-7D/U Tested STRONG 6SN7
6SN7GT GE Clear Glass Made In Canada Vacuum Tube TV-7D/U Tested STRONG 6SN7

$12.85

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

$15.95

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2 x 6SN7gt RCA/Admiral Tubes *Smoked Glasss* Strong Pair*1948-9*#15
2 x 6SN7gt RCA/Admiral Tubes *Smoked Glasss* Strong Pair*1948-9*#15

$90.00

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6SN7-GT Sylvania bad boy plates
6SN7-GT Sylvania bad boy plates

$40.00

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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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MATCHED PAIR RCA 6SN7GT Smoked Glass WINGED Audio VACUUM TUBES Test NOS F.7809
MATCHED PAIR RCA 6SN7GT Smoked Glass WINGED Audio VACUUM TUBES Test NOS F.7809

$119.95

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6 Nice Tested Vintage GE 6SN7GTA/B Vacuum Tubes..........1 N.O.S........1 Money!
6 Nice Tested Vintage GE 6SN7GTA/B Vacuum Tubes..........1 N.O.S........1 Money!

$47.00

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

$18.00

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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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RCA 6SN7GT VT-231 Grey Glass Low Noise Preamp Tube
RCA 6SN7GT VT-231 Grey Glass Low Noise Preamp Tube

$55.00

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1 x CTL- 6SN7gt Tung-Sol Tube*Very Strong & Balanced*Round Black Plates*#2
1 x CTL- 6SN7gt Tung-Sol Tube*Very Strong & Balanced*Round Black Plates*#2

$250.00

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

$14.99

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

$22.95

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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

$49.00

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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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4 x 6SN7gt RCA Tubes *Smoked Glasss*Tested Good*#5
4 x 6SN7gt RCA Tubes *Smoked Glasss*Tested Good*#5

$100.00

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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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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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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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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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Pair of RCA 6SN7GT 6SN7 Glow Top Preamp Tubes Tested
Pair of RCA 6SN7GT 6SN7 Glow Top Preamp Tubes Tested

$39.00

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2 x 6SN7gt RCA Tubes *Smoked Glasss*Tested Strong*#7
2 x 6SN7gt RCA Tubes *Smoked Glasss*Tested Strong*#7

$73.99

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6SN7GT RCA White Letter Audio Receiver Preamp Vacuum Tubes Tested Pair
6SN7GT RCA White Letter Audio Receiver Preamp Vacuum Tubes Tested Pair

$24.99

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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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1 x JAN- 6SN7gt Tung-Sol Tube*Very Strong & Balanced*1948*Round Black Plates*#1
1 x JAN- 6SN7gt Tung-Sol Tube*Very Strong & Balanced*1948*Round Black Plates*#1

$285.00

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RCA 6SN7GT vacuum tubes tested & guaranteed
RCA 6SN7GT vacuum tubes tested & guaranteed

$51.95

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

$60.00

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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 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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6SN7GT 2 radio audio amplifier 3 hole bad boy vacuum tubes valves tested 6SN7GTB
6SN7GT 2 radio audio amplifier 3 hole bad boy vacuum tubes valves tested 6SN7GTB

$169.99

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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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2 x 6SN7gt RCA Tubes *Smoked Glasss*Super Strong Matched Pair*1951-2*#11
2 x 6SN7gt RCA Tubes *Smoked Glasss*Super Strong Matched Pair*1951-2*#11

$120.00

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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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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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