ken-rad-vt231

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Matched Pair of Ken Rad VT-231 Tubes (82-86 / 82-86) – Tested & Working
Matched Pair of Ken Rad VT-231 Tubes (82-86 / 82-86) – Tested & Working

$149.50

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RARE: KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tube TESTS V/S on AT1000
RARE: KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tube TESTS V/S on AT1000

$185.42

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RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tubes PLATINUM MATCH on AT1000
RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tubes PLATINUM MATCH on AT1000

$272.92

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Two, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match pair #4
Two, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match pair #4

$294.95

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Matched Pair of Ken-Rad JAN CKR 6SN7GT VT-231 1944 Black Glass Vacuum Tubes #2
Matched Pair of Ken-Rad JAN CKR 6SN7GT VT-231 1944 Black Glass Vacuum Tubes #2

$250.00

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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

$498.75

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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

$498.75

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Pair of Ken-Rad JAN CKR 6SN7GT VT-231 1944 Black Glass Vacuum Tubes #3
Pair of Ken-Rad JAN CKR 6SN7GT VT-231 1944 Black Glass Vacuum Tubes #3

$250.00

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TV7D/U RE-TEST 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube
TV7D/U RE-TEST 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube

$79.95

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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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1 x NOS JAN 6SN7 GTB VT-231 Ken-Rad Dark Glass Tube - TV-7 Tested
1 x NOS JAN 6SN7 GTB VT-231 Ken-Rad Dark Glass Tube - TV-7 Tested

$120.00

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RARE: 2 KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tubes
RARE: 2 KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tubes

$200.00

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TV7D/U RE-TEST Strong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT Clear Glass Tube
TV7D/U RE-TEST Strong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT Clear Glass Tube

$59.95

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Rare KEN-RAD VT-231 / 6SN7GT Tube
Rare KEN-RAD VT-231 / 6SN7GT Tube

$130.00

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

$498.75

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Ken-Rad JAN CKR 6SN7GT VT-231 Vacuum Tube Hickok Tested (99% NOS) £
Ken-Rad JAN CKR 6SN7GT VT-231 Vacuum Tube Hickok Tested (99% NOS) £

$114.99

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

$498.75

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RARE KEN-RAD CKR-6SN7GT/VT-231/ECC32 Black Plates tube - 1944 - Test NOS
RARE KEN-RAD CKR-6SN7GT/VT-231/ECC32 Black Plates tube - 1944 - Test NOS

$99.99

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KEN-RAD 6SN7 GT VT-231 MATCHING QUAD SET of FOUR (4) LEGENDARY BLACK BEAUTY NOS
KEN-RAD 6SN7 GT VT-231 MATCHING QUAD SET of FOUR (4) LEGENDARY BLACK BEAUTY NOS

$985.75

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KEN-RAD 6SN7 GT VT-231 MATCHING QUAD SET of FOUR (4) LEGENDARY BLACK BEAUTY NOS
KEN-RAD 6SN7 GT VT-231 MATCHING QUAD SET of FOUR (4) LEGENDARY BLACK BEAUTY NOS

$985.75

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Vintage 1940s Ken-Rad Jan VT 231 6SN7GT Tube Untested - READ DESC
Vintage 1940s Ken-Rad Jan VT 231 6SN7GT Tube Untested - READ DESC

$69.99

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2pcs Vt-231 JAN-CKR Ken-Rad staggered plates,NOS USA ,SC961A,early 50s 6SN7
2pcs Vt-231 JAN-CKR Ken-Rad staggered plates,NOS USA ,SC961A,early 50s 6SN7

$348.00

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1 KEN-RAD VT231 BLACK GLASS JAN-CKR-6SN7GT MILITARY TUBE / KENRAD
1 KEN-RAD VT231 BLACK GLASS JAN-CKR-6SN7GT MILITARY TUBE / KENRAD

$169.00

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TV7D/U RE-TEST Strong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT Clear Glass Tube
TV7D/U RE-TEST Strong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT Clear Glass Tube

$79.95

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EXCELLENT WORKING NOS MATCHED PAIR KENRAD VT-231 6SN7GT TUBES OFF-SET PLATES B65
EXCELLENT WORKING NOS MATCHED PAIR KENRAD VT-231 6SN7GT TUBES OFF-SET PLATES B65

$350.00

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2X 6SN7 tube GT JAN-CKR Ken-Rad parallel plates,NOS USA,SC133, early 50*s VT-231
2X 6SN7 tube GT JAN-CKR Ken-Rad parallel plates,NOS USA,SC133, early 50*s VT-231

$298.00

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Closely Matched Pair Ken-Rad 6SN7GT VT-231 Same Date NOS NIB Tested Strong Tube
Closely Matched Pair Ken-Rad 6SN7GT VT-231 Same Date NOS NIB Tested Strong Tube

$698.45

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VINTAGE GOOD USED WWII MILITARY KENRAD JAN-CKR-6SN7GT VT-231 SMOKED GLASS TUBE
VINTAGE GOOD USED WWII MILITARY KENRAD JAN-CKR-6SN7GT VT-231 SMOKED GLASS TUBE

$89.99

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RARE: KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tube TESTS NOS on AT1000
RARE: KEN-RAD 6SN7GT VT-231 "BLACK GLASS HOLY GRAIL" Tube TESTS NOS on AT1000

$199.42

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7 PIECES NOS VT-231 B65 6SN7GT RCA & KEN-RAD VERY HIGH GRADE TUBES SQUARE GETTER
7 PIECES NOS VT-231 B65 6SN7GT RCA & KEN-RAD VERY HIGH GRADE TUBES SQUARE GETTER

$695.00

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RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tube TEST NOS on AT1000
RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tube TEST NOS on AT1000

$174.92

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RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tube TESTS NOS on AT1000
RARE: KEN-RAD 6SN7GT VT-231 1940's "HOLY GRAIL" Tube TESTS NOS on AT1000

$174.92

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6SN7 GT JAN CKR KEN RAD VT231 TUBE VALVE LAMPE VALVOLA RÖHRE BLACK PLATES
6SN7 GT JAN CKR KEN RAD VT231 TUBE VALVE LAMPE VALVOLA RÖHRE BLACK PLATES

$30.00

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6SN7 VT231 / GT NOS KEN RAD PLATINUM MATCHED TRIODE ,,NATO specs TV7 tested
6SN7 VT231 / GT NOS KEN RAD PLATINUM MATCHED TRIODE ,,NATO specs TV7 tested

$197.47

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KEN RAD JAN CKR 6SN7GT (1)Clear Top VT231 Black Plate Staggered Date Code SC961A
KEN RAD JAN CKR 6SN7GT (1)Clear Top VT231 Black Plate Staggered Date Code SC961A

$89.99

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pair VT-231 JAN-CKR Ken-Rad staggered plates,NOS USA code N-4,early 50*s 6SN7
pair VT-231 JAN-CKR Ken-Rad staggered plates,NOS USA code N-4,early 50*s 6SN7

$599.00

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6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #3
6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #3

$387.47

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6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #2
6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #2

$387.47

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QUAD 1940s KEN-RAD JAN-CKR-6SN7GT VT-231 ANGLED BLACK PLATES CLEAR GLASS TUBES
QUAD 1940s KEN-RAD JAN-CKR-6SN7GT VT-231 ANGLED BLACK PLATES CLEAR GLASS TUBES

$299.95

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6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested
6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested

$267.47

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2X 6SN7 GT JAN-CKR Ken-Rad staggered plates,NOS USA code N-4,early 50*s VT-231 A
2X 6SN7 GT JAN-CKR Ken-Rad staggered plates,NOS USA code N-4,early 50*s VT-231 A

$598.00

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Ken-Rad VT-231 6SN7GT Label GE Tested Like NOS Balanced Tube
Ken-Rad VT-231 6SN7GT Label GE Tested Like NOS Balanced Tube

$118.45

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KenRad VT231 6SN7 Tubes
KenRad VT231 6SN7 Tubes

$75.00

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KEN-RAD US NAVY CKR 6SN7GT VT-231 CKR Test V.GOOD Black Plate Triode Vacuum Tube
KEN-RAD US NAVY CKR 6SN7GT VT-231 CKR Test V.GOOD Black Plate Triode Vacuum Tube

$107.04

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Ken-Rad VT-231 6SN7GT Tube (untested)
Ken-Rad VT-231 6SN7GT Tube (untested)

$75.00

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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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ONE(1) TUBE GmBAL= 1.5% TV7D/U 'Bogey+' 1944 RAYTHEON VT-231 JAN-CRP-6SN7GT Tube
ONE(1) TUBE GmBAL= 1.5% TV7D/U 'Bogey+' 1944 RAYTHEON VT-231 JAN-CRP-6SN7GT Tube

$89.95

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6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested
6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested

$267.47

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6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #4
6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #4

$387.47

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Ken-Rad 6SN7GT Tube (untested)
Ken-Rad 6SN7GT Tube (untested)

$110.00

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RARE NOS PAIR VT231 - KEN-RAD 6SN7 - 1940's - 6SN7GT USA STRONG VALUES
RARE NOS PAIR VT231 - KEN-RAD 6SN7 - 1940's - 6SN7GT USA STRONG VALUES

$950.00

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6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested
6SN7 VT231 / GT KEN RAD / GE PLATINUM MATCHED PAIR,,NATO specs TV7 tested

$277.47

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6SN7-GT Ken-Rad VT-231
6SN7-GT Ken-Rad VT-231

$85.00

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6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #1
6SN7 VT231 / GT KEN RAD PLATINUM MATCHED PAIR,NATO specs TV7 tested #1

$357.47

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6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested
6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested

$200.00

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6SN7GT VT231 KENRAD Black Base Mil Grade made In UK amplitrex AT1000 Tested
6SN7GT VT231 KENRAD Black Base Mil Grade made In UK amplitrex AT1000 Tested

$260.00

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Vacuum tube KEN RAD VT 231(6SN7GT) Operation confirmed
Vacuum tube KEN RAD VT 231(6SN7GT) Operation confirmed

$167.00

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Kenrad VT231 / 6SN7GT
Kenrad VT231 / 6SN7GT

$249.95

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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested

$150.00

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Kenrad 6SN7 6SN7GT 5692 VT-231 Black Glass NOS Matched Pair
Kenrad 6SN7 6SN7GT 5692 VT-231 Black Glass NOS Matched Pair

$499.00

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6SN7GT KENRAD Coated Glass made In U.S.A amplitrex AT1000 Tested #3068050 693001
6SN7GT KENRAD Coated Glass made In U.S.A amplitrex AT1000 Tested #3068050 693001

$260.00

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6SN7GT VT231 KENRAD Black Base Mil Grade made In U.S.A amplitrex AT1000 Tested
6SN7GT VT231 KENRAD Black Base Mil Grade made In U.S.A amplitrex AT1000 Tested

$260.00

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6SN7GT VT231 KENRAD Black Base Mil Grade made In U.S.A amplitrex Tested 1MQ
6SN7GT VT231 KENRAD Black Base Mil Grade made In U.S.A amplitrex Tested 1MQ

$520.00

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6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested
6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested

$130.00

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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested

$150.00

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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested

$350.00

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307 A VT-225 KEN RAD BLACK COATED GLASS MADE IN USA QTY 4 PCS
307 A VT-225 KEN RAD BLACK COATED GLASS MADE IN USA QTY 4 PCS

$420.00

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2, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match date pair
2, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match date pair

$248.95

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TV7D/U RE-TEST 'Bogey+' VStrong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube
TV7D/U RE-TEST 'Bogey+' VStrong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube

$124.95

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TV7D/U RE-TEST 'Bogey+' VStrong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube
TV7D/U RE-TEST 'Bogey+' VStrong 1944 KEN-RAD VT-231 JAN CKR 6SN7GT SMOKED Tube

$99.95

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Two, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match pr
Two, Ken-Rad VT-231, JAN CKR 6SN7GT, wartime, black plate, copper, match pr

$374.95

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6SN7GT KENRAD Coated Glass made In U.S.A amplitrex AT1000 Tested #3068050 693001
6SN7GT KENRAD Coated Glass made In U.S.A amplitrex AT1000 Tested #3068050 693001

$260.00

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JAN 6SN7GT VT231 KENRAD Mil Grade Made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade Made In U.S.A amplitrex AT1000 Tested

$260.00

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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested

$350.00

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6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested
6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested

$300.00

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KENRAD JAN 6SN7GT VT231 Mil Grade made In U.S.A amplitrex AT1000 Tested
KENRAD JAN 6SN7GT VT231 Mil Grade made In U.S.A amplitrex AT1000 Tested

$520.00

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6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested
6SN7GT CKR/VT 231 KENRAD Black Coated Glass made In U.S.A Amplitrex Tested

$200.00

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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested

$260.00

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