kt66-pair

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RCA BLACK PLATES MATCH PAIR 6L6GC WORKING EXCELLENT ONE IS NOS NIB 6T66 6L6G 6L6
RCA BLACK PLATES MATCH PAIR 6L6GC WORKING EXCELLENT ONE IS NOS NIB 6T66 6L6G 6L6

$227.50

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Genalex Gold Lion KT-66 Power Tubes Matched Pair
Genalex Gold Lion KT-66 Power Tubes Matched Pair

$109.99

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KT66 Tubes Matched Pair
KT66 Tubes Matched Pair

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Radio Tubes KT66 KT-66 Genalex UK Original MK10 Test 8500 8500 Matched Pair
Radio Tubes KT66 KT-66 Genalex UK Original MK10 Test 8500 8500 Matched Pair

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PAIR OF NP GENELEX GOLD LION KT66. PLATE CURRENTS 33/37 MATCHED GM
PAIR OF NP GENELEX GOLD LION KT66. PLATE CURRENTS 33/37 MATCHED GM

$89.95

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GENERAL ELECTRIC GE 7581A/KT66 PAIR TEST STRONG Made In USA SUPERB!
GENERAL ELECTRIC GE 7581A/KT66 PAIR TEST STRONG Made In USA SUPERB!

$124.50

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RARE MATCHED PAIR GENALEX KT66 CUP GETTER TUBES (MADE IN ENGLAND) TESTED NOS
RARE MATCHED PAIR GENALEX KT66 CUP GETTER TUBES (MADE IN ENGLAND) TESTED NOS

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1953 Genalex KT66 Grey Glass Matching Pair Output Tubes Marconi Valve
1953 Genalex KT66 Grey Glass Matching Pair Output Tubes Marconi Valve

$350.00

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Factory Platinum Matched Pair Genalex Gold Lion KT66 tubes, BRAND NEW in Box !
Factory Platinum Matched Pair Genalex Gold Lion KT66 tubes, BRAND NEW in Box !

$119.54

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1954 Genalex KT66 Grey Glass Matching Pair Output Tubes Marconi Valve
1954 Genalex KT66 Grey Glass Matching Pair Output Tubes Marconi Valve

$400.00

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TAD KT66 PREMIUM - MATCHED PAIR
TAD KT66 PREMIUM - MATCHED PAIR

$99.95

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Groove Tubes GT Gold GT-KT66-HP Matched Power Tubes 6 Rating New In Open Box
Groove Tubes GT Gold GT-KT66-HP Matched Power Tubes 6 Rating New In Open Box

$80.00

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NOS Platinum Matched PAIR 6L6GC Dual Disc GETTER Grail TUBES 6L6 KT66 8417
NOS Platinum Matched PAIR 6L6GC Dual Disc GETTER Grail TUBES 6L6 KT66 8417

$311.50

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$200.00

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GEC KT66 BRITISH PAIR OF OLD STOCK TESTED 1950'S GREY GLASS VINTAGE VALVES TUBES
GEC KT66 BRITISH PAIR OF OLD STOCK TESTED 1950'S GREY GLASS VINTAGE VALVES TUBES

$427.50

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1 Matched Pair KT66 ARS Electron Tube _ Replacs Gold Lion MO Valve Genalex
1 Matched Pair KT66 ARS Electron Tube _ Replacs Gold Lion MO Valve Genalex

$81.90

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GEC KT-66 NOS NIB Matched Pair
GEC KT-66 NOS NIB Matched Pair

$650.00

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New Current Matched Pair (2) Reissue Genalex Gold Lion KT66 6L6 Vacuum Tubes
New Current Matched Pair (2) Reissue Genalex Gold Lion KT66 6L6 Vacuum Tubes

$150.77

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PAIR GE (Dumont Label) 7581A KT66 6L6CC Tubes SideGetter Hickok Tested NOS NIB👑
PAIR GE (Dumont Label) 7581A KT66 6L6CC Tubes SideGetter Hickok Tested NOS NIB👑

$249.99

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7581A PhilipsECG tubes 6L6GC KT66 tested strong pair
7581A PhilipsECG tubes 6L6GC KT66 tested strong pair

$100.00

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1957 Matched Pair Genelex KT-66 Amplifier Tubes TV-7 Tested @ 87-93% NOS
1957 Matched Pair Genelex KT-66 Amplifier Tubes TV-7 Tested @ 87-93% NOS

$429.99

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Rare PAIR GE 7581A 6L6GC KT66 TUBES (1960 Engineer Sample) DDGETTERS Test NOS 👑
Rare PAIR GE 7581A 6L6GC KT66 TUBES (1960 Engineer Sample) DDGETTERS Test NOS 👑

$399.00

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GENALEX / EMITRON KT66 New old stock made in England (PAIR)
GENALEX / EMITRON KT66 New old stock made in England (PAIR)

$400.00

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GEC KT66 BRITISH PAIR OF NEW OLD STOCK 1950'S GREY GLASS VINTAGE VALVES TUBES
GEC KT66 BRITISH PAIR OF NEW OLD STOCK 1950'S GREY GLASS VINTAGE VALVES TUBES

$495.00

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Pair of Genalex - Gold Lion KT66 Power Vacuum Tube
Pair of Genalex - Gold Lion KT66 Power Vacuum Tube

$135.90

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Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) Vacuum Tubes
Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) Vacuum Tubes

$107.54

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Pair NOS Cinch Octal Vacuum Tube Sockets for 6L6GC, 6550, EL34, KT66, 6V6GT, etc
Pair NOS Cinch Octal Vacuum Tube Sockets for 6L6GC, 6550, EL34, KT66, 6V6GT, etc

$8.99

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2 x NOS Mullard BVA Amerty Edition 6L6G ~ CokeBottle Square DGetter SmokeGlass
2 x NOS Mullard BVA Amerty Edition 6L6G ~ CokeBottle Square DGetter SmokeGlass

$349.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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*ORIGINAL* Amperex KT66 Smoked Glass Vacuum Tubes (pair)
*ORIGINAL* Amperex KT66 Smoked Glass Vacuum Tubes (pair)

$350.00

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Pair of JJ KT66 Power Vacuum Tube
Pair of JJ KT66 Power Vacuum Tube

$111.90

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Matched Pair Tube Amp Doctor TAD KT66 Genalex Tube Remake 6L6 QUAD II MC-240
Matched Pair Tube Amp Doctor TAD KT66 Genalex Tube Remake 6L6 QUAD II MC-240

$95.00

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GEC KT-66 NOS NIB Pair
GEC KT-66 NOS NIB Pair

$700.00

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Matched Pair Date Coded IEC Mullard KT66 Vintage Tubes Strong EXC For Amplifier
Matched Pair Date Coded IEC Mullard KT66 Vintage Tubes Strong EXC For Amplifier

$295.00

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Vacuum Tube, KT66, Tube Amp Doctor, Premium Selected, Matched Pair, Power
Vacuum Tube, KT66, Tube Amp Doctor, Premium Selected, Matched Pair, Power

$93.90

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MATCH PAIR 6L6G / KT66 350B kENRAD BLACK GLASS TUBES LARGE FOIL GETTERS USA NICE
MATCH PAIR 6L6G / KT66 350B kENRAD BLACK GLASS TUBES LARGE FOIL GETTERS USA NICE

$157.50

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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Genalex Gold Lion Electro Harmonix KT66 Tubes Factory Matched Pair
Genalex Gold Lion Electro Harmonix KT66 Tubes Factory Matched Pair

$125.00

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(Sweet Sound edition II) Factory Match 1 pair Genalex GOLD LION KT66 tube 6l6GC
(Sweet Sound edition II) Factory Match 1 pair Genalex GOLD LION KT66 tube 6l6GC

$166.47

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Vacuum Tube, KT66, Genalex Gold Lion, Matched Pair, Power
Vacuum Tube, KT66, Genalex Gold Lion, Matched Pair, Power

$137.90

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GEC OSRAM KT66 BRITISH PAIR OF OLD STOCK 1950'S GREY GLASS VINTAGE VALVES TUBES
GEC OSRAM KT66 BRITISH PAIR OF OLD STOCK 1950'S GREY GLASS VINTAGE VALVES TUBES

$427.50

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Brand new matched pair same date KT66 Svetlana Vintage Power Tubes .
Brand new matched pair same date KT66 Svetlana Vintage Power Tubes .

$165.00

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Closely Matched Pair GE 7581A 6L6GC KT66 Tested Strong Tube
Closely Matched Pair GE 7581A 6L6GC KT66 Tested Strong Tube

$178.45

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Matched pair Tube Amp Doctor TAD KT66-STR Genalex Tube Remake 6L6 QUAD II MC-240
Matched pair Tube Amp Doctor TAD KT66-STR Genalex Tube Remake 6L6 QUAD II MC-240

$99.00

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PAIR KT66 GEC BEAM -POWER TETRODE TUBE TESTED WITH ROETEST V10 BY CURVES NEW
PAIR KT66 GEC BEAM -POWER TETRODE TUBE TESTED WITH ROETEST V10 BY CURVES NEW

$550.00

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PAIR KT66 GEC BEAM -POWER TETRODE TUBE TESTED WITH ROETEST V10 BY CURVES NEW
PAIR KT66 GEC BEAM -POWER TETRODE TUBE TESTED WITH ROETEST V10 BY CURVES NEW

$550.00

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Display Box For KT66 Pair Handmade (Valves Not Included)
Display Box For KT66 Pair Handmade (Valves Not Included)

$68.63

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Brand New Matched Pair Groove Tubes GT KT66-C (6L6) Power Tubes Hickok Tested
Brand New Matched Pair Groove Tubes GT KT66-C (6L6) Power Tubes Hickok Tested

$120.00

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UTC LS-63 Tube Amp Amplifier Output Transformers Pair 5881 KT-66 R24-106
UTC LS-63 Tube Amp Amplifier Output Transformers Pair 5881 KT-66 R24-106

$475.00

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Matched 1pair PSVANE ART 6CA7 Vacuum Tube Upgrade EL34 EL34C EL34B 6P3P KT66 6V6
Matched 1pair PSVANE ART 6CA7 Vacuum Tube Upgrade EL34 EL34C EL34B 6P3P KT66 6V6

$129.00

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1pair 3.5K Amorphous Single-ended Output Transformer for 6P6P KT66 2A3 tube amp
1pair 3.5K Amorphous Single-ended Output Transformer for 6P6P KT66 2A3 tube amp

$93.52

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1MP KT66 GEC NOS Cup getter made in England Amplitrex tested #1238001/1238002
1MP KT66 GEC NOS Cup getter made in England Amplitrex tested #1238001/1238002

$840.00

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Closely Matched Pair GE 7581A 6L6GC KT66 NOS NIB Tested Strong Tube
Closely Matched Pair GE 7581A 6L6GC KT66 NOS NIB Tested Strong Tube

$228.45

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1 matched PAIR KT66-T3 KT66 ART Vacuum Tube DIY HIFI audio tube
1 matched PAIR KT66-T3 KT66 ART Vacuum Tube DIY HIFI audio tube

$245.99

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Vintage Pair Genalex KT66 Smoked Smooth Plate Foil Cup Getter England
Vintage Pair Genalex KT66 Smoked Smooth Plate Foil Cup Getter England

$500.00

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Pair of Pilotone Amplifiers AA-905 AA905 Pilot KT66 Output Tube Integrated Amps
Pair of Pilotone Amplifiers AA-905 AA905 Pilot KT66 Output Tube Integrated Amps

$2499.99

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KT66 MWT made in England Audio Tube Amplitrex tested Qty 1MP #446007 2662001
KT66 MWT made in England Audio Tube Amplitrex tested Qty 1MP #446007 2662001

$600.00

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KT66 used tubes , one matching pair , made in England
KT66 used tubes , one matching pair , made in England

$255.80

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VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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6l6 g tube pair Marconi Italy power tubes matched quad 350b kt66 clear glass 50s
6l6 g tube pair Marconi Italy power tubes matched quad 350b kt66 clear glass 50s

$1299.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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6l6g 6l6 350b kt66 tube RT France navy power tubes pair valve vintage 1950s DD
6l6g 6l6 350b kt66 tube RT France navy power tubes pair valve vintage 1950s DD

$699.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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Vintage Pair Genalex KT66 Smoked Smooth Plate Foil Cup Getter England
Vintage Pair Genalex KT66 Smoked Smooth Plate Foil Cup Getter England

$550.00

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NOS Matched PAIR Baldwin 6L6GB 6L6 KT66 Black Plates Double D Getter
NOS Matched PAIR Baldwin 6L6GB 6L6 KT66 Black Plates Double D Getter

$350.00

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1 Matched Pair PSVANE KT66GC/GE GEC KT66 Replica Hi-END Vacuum Tubes EL34 6L6
1 Matched Pair PSVANE KT66GC/GE GEC KT66 Replica Hi-END Vacuum Tubes EL34 6L6

$286.70

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2 Cinch 8 pin Military grade Tube Sockets for 6L6 5U4 5881 KT-88 KT-66 274 tubes
2 Cinch 8 pin Military grade Tube Sockets for 6L6 5U4 5881 KT-88 KT-66 274 tubes

$12.99

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Vacuum Tube, KT66, JJ Electronics, Apex Matched Pair, Power
Vacuum Tube, KT66, JJ Electronics, Apex Matched Pair, Power

$114.30

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GEC KT66 BRITISH PAIR OF OLD STOCK OO GETTERS STRONG TESTING VINTAGE VALVES TUBE
GEC KT66 BRITISH PAIR OF OLD STOCK OO GETTERS STRONG TESTING VINTAGE VALVES TUBE

$490.00

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TUNG-SOL KT66 Vacuum tube Pair In Excellent Working Condition
TUNG-SOL KT66 Vacuum tube Pair In Excellent Working Condition

$120.00

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Pair NOS SG EL34 A tubes, matched for WE 6L6 KT66 single ended SE amplifier
Pair NOS SG EL34 A tubes, matched for WE 6L6 KT66 single ended SE amplifier

$135.99

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One Matched Pair KT66 Tubes, Emitron, In Identical NOS Ratings, Rare Dark Bases
One Matched Pair KT66 Tubes, Emitron, In Identical NOS Ratings, Rare Dark Bases

$490.00

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2 Rare Dual DGetter NOS Ten Kobe Fujitsu 6L6GT ~ SameCode HL4 Vintage PowerTubes
2 Rare Dual DGetter NOS Ten Kobe Fujitsu 6L6GT ~ SameCode HL4 Vintage PowerTubes

$195.00

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KT66 - EL37, MULLARD Vintage audio tube, X 2 pcs, II , tested at AVO 160
KT66 - EL37, MULLARD Vintage audio tube, X 2 pcs, II , tested at AVO 160

$550.00

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A pairs 6L6G 5881 6P3P KT66 EL34 TUBES US RAYTHEON IN ORIGINAL BOX. D Getter
A pairs 6L6G 5881 6P3P KT66 EL34 TUBES US RAYTHEON IN ORIGINAL BOX. D Getter

$138.00

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2PCS/Lot New KT66-Z Matched Pair HI-FI Electron Tubes Can Replace KT66
2PCS/Lot New KT66-Z Matched Pair HI-FI Electron Tubes Can Replace KT66

$201.49

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6l6 g tube pair fivre italy power tubes black plate pair 350b kt66 kt77 5881
6l6 g tube pair fivre italy power tubes black plate pair 350b kt66 kt77 5881

$499.00

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2x Sophia Electric 91-01 3K 300B/KT66 SE transformers for Western tube amplifier
2x Sophia Electric 91-01 3K 300B/KT66 SE transformers for Western tube amplifier

$699.99

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6l6 tube pair Fivre Italy power tubes black plate pair silver 350b kt66 kt77 588
6l6 tube pair Fivre Italy power tubes black plate pair silver 350b kt66 kt77 588

$599.00

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2 Vintage 1950-60s Partridge output transformers P5355M KT66 KT88 Valves Tubes
2 Vintage 1950-60s Partridge output transformers P5355M KT66 KT88 Valves Tubes

$800.00

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Relco Mullard Genalex KT66 NIB NOS Factory Matched Pair Vacuum Tubes Made In UK
Relco Mullard Genalex KT66 NIB NOS Factory Matched Pair Vacuum Tubes Made In UK

$1495.00

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6l6 Fivre Italy tube pair power tubes black plate matched strong 350b kt66 kt77
6l6 Fivre Italy tube pair power tubes black plate matched strong 350b kt66 kt77

$650.00

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VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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6l6 Fivre Italy tube pair power tubes matched same code strong 350b kt66 kt77
6l6 Fivre Italy tube pair power tubes matched same code strong 350b kt66 kt77

$650.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$200.00

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Matched 1pair PSVANE ART KT66 Vacuum Tube KT88 6550 KT120 EL34 KT77 KT100 WEKT88
Matched 1pair PSVANE ART KT66 Vacuum Tube KT88 6550 KT120 EL34 KT77 KT100 WEKT88

$259.00

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6l6 g tube pair Fivre Italy power tubes quad strong 350b kt66 kt77 5881 1st type
6l6 g tube pair Fivre Italy power tubes quad strong 350b kt66 kt77 5881 1st type

$1299.00

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GEC KT66 tube QUAD same batch NIB NOS
GEC KT66 tube QUAD same batch NIB NOS

$1996.48

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2PCS/Lot New KT66-Z Matched Pair HI-FI Electron Tubes Can Replace KT66
2PCS/Lot New KT66-Z Matched Pair HI-FI Electron Tubes Can Replace KT66

$203.18

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Rare Pair of H.H. Scott 210-B Tube (KT66/6L6GC) Amplifiers Serviced Plug & Play
Rare Pair of H.H. Scott 210-B Tube (KT66/6L6GC) Amplifiers Serviced Plug & Play

$2999.99

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GEC KT66 tube pair same batch NIB NOS
GEC KT66 tube pair same batch NIB NOS

$935.85

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KT66 OSRAM Black Coated Made In England Amplitrex Tested 1 Matched Pair 2 Pcs
KT66 OSRAM Black Coated Made In England Amplitrex Tested 1 Matched Pair 2 Pcs

$600.00

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GEC KT66 Early Smoked Glass Pair Vintage Tubes - Excellent
GEC KT66 Early Smoked Glass Pair Vintage Tubes - Excellent

$1380.00

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KT66 OSRAM Black Coated Glass Made In England Amplitrex Tested NOS Qty 1 MP
KT66 OSRAM Black Coated Glass Made In England Amplitrex Tested NOS Qty 1 MP

$749.00

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Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) Vacuum Tubes
Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) Vacuum Tubes

$105.73

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VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66)Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair
VT60(EL34 6L6 KT66) Cossor GEC U.K(Special 807 military grade) Qty 1 Match Pair

$192.00

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