tung-sol-6550

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1 pair Tung-Sol 6550 Black Plate tube USA 1950s my last pair (322HT3)
1 pair Tung-Sol 6550 Black Plate tube USA 1950s my last pair (322HT3)

$650.00

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2 Tung Sol 6550 Tubes / 1 Missing Guide Pin / KT8
2 Tung Sol 6550 Tubes / 1 Missing Guide Pin / KT8

$195.00

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Pair Tung Sol 6550 tubes - USA 3 hole gray plate #408-3
Pair Tung Sol 6550 tubes - USA 3 hole gray plate #408-3

$125.00

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2 - Tung Sol 6550 Tubes / Solid Gray Plates / KT1
2 - Tung Sol 6550 Tubes / Solid Gray Plates / KT1

$295.00

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Tung-Sol 6550 Audio Vacuum Tube - 1968 Three Hole Plate - Made in the USA
Tung-Sol 6550 Audio Vacuum Tube - 1968 Three Hole Plate - Made in the USA

$60.00

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Matched Pair RCA - Tung Sol 6550 Tubes / No Guide Pins / KT4
Matched Pair RCA - Tung Sol 6550 Tubes / No Guide Pins / KT4

$195.00

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Tung-Sol 6550 Electron Tubes, matching pair
Tung-Sol 6550 Electron Tubes, matching pair

$150.00

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Matched Quad Tung Sol 6550 3 Hole Plate OOO Getter Amplitrex Strong SAME DATES
Matched Quad Tung Sol 6550 3 Hole Plate OOO Getter Amplitrex Strong SAME DATES

$560.00

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Tung Sol USA 6550 Solid Grey Plate OOO Getter Tube Amplitrex Tested Strong
Tung Sol USA 6550 Solid Grey Plate OOO Getter Tube Amplitrex Tested Strong

$180.00

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Matched Quad Tung Sol 6550 Tubes / KT1
Matched Quad Tung Sol 6550 Tubes / KT1

$495.00

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Vtg 6550 TUNG-SOL Vacuum Tube Guaranteed Russia
Vtg 6550 TUNG-SOL Vacuum Tube Guaranteed Russia

$39.00

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Matched Pair Tung Sol 6550 Tubes / KT3
Matched Pair Tung Sol 6550 Tubes / KT3

$249.95

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TUNG SOL 6550 INTERNATIONAL MULLARD KT88 3 Pieces Used
TUNG SOL 6550 INTERNATIONAL MULLARD KT88 3 Pieces Used

$278.00

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Matched Pair Made in Russia Tung-Sol 6550 Tested Strong
Matched Pair Made in Russia Tung-Sol 6550 Tested Strong

$90.00

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Date Matched Pair of Tung-Sol 6550 Vacuum Tubes Strong Testing!
Date Matched Pair of Tung-Sol 6550 Vacuum Tubes Strong Testing!

$119.99

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+++ Matched PAIR Vintage 1974 Tung-Sol 6550 for DYNACO - AT1000 Tested +++
+++ Matched PAIR Vintage 1974 Tung-Sol 6550 for DYNACO - AT1000 Tested +++

$220.00

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Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444
Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444

$165.00

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Tung Sol 6550 Tube / Solid Gray Plates / No Guide Pin / KT1
Tung Sol 6550 Tube / Solid Gray Plates / No Guide Pin / KT1

$119.95

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Pair Tung Sol 6550 tubes - USA 3 hole gray plate | broken guide pin
Pair Tung Sol 6550 tubes - USA 3 hole gray plate | broken guide pin

$115.00

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NOS Tung Sol 6550 Grey 3 Hole Plate OOO Getter Amplitrex Tested
NOS Tung Sol 6550 Grey 3 Hole Plate OOO Getter Amplitrex Tested

$125.00

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Baldwin - Tung Sol 6550 Tube / Solid Gray Plates / KT2
Baldwin - Tung Sol 6550 Tube / Solid Gray Plates / KT2

$149.95

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Tung Sol / Tung-Sol 6550 Tube Made in USA. #1
Tung Sol / Tung-Sol 6550 Tube Made in USA. #1

$150.00

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Sylvania - Tung Sol 6550 Vacuum Tube / KT5
Sylvania - Tung Sol 6550 Vacuum Tube / KT5

$109.95

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6550 Tungsol Metal Base made in U.S.A Amplitrex tested 1 Pc
6550 Tungsol Metal Base made in U.S.A Amplitrex tested 1 Pc

$110.00

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Tung-Sol 6550 New Production Power Vacuum Tube
Tung-Sol 6550 New Production Power Vacuum Tube

$72.95

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Tung-Sol 6550 Power Tubes - Matched Quartet
Tung-Sol 6550 Power Tubes - Matched Quartet

$358.79

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Vacuum Tube Tung-Sol KT88 6550 Coke Bottle Made USA Tests Strong Dyna Jet 606 P4
Vacuum Tube Tung-Sol KT88 6550 Coke Bottle Made USA Tests Strong Dyna Jet 606 P4

$141.51

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Matched Pair Sylvania - Tung Sol 6550 Tubes / KT2
Matched Pair Sylvania - Tung Sol 6550 Tubes / KT2

$249.95

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Matched Pair Tung Sol 6550 Tubes / KT7
Matched Pair Tung Sol 6550 Tubes / KT7

$249.95

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Top Matched Pair Vintage TUNG-SOL 6550 Audio Tubes / NOS / AT1000 / KT88
Top Matched Pair Vintage TUNG-SOL 6550 Audio Tubes / NOS / AT1000 / KT88

$549.00

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NOS NIB TungSol 6550 Vacuum Tube Branded For RCA 1964 Date
NOS NIB TungSol 6550 Vacuum Tube Branded For RCA 1964 Date

$169.99

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2 Tung Sol 6550 Vacuum Tubes / KT9
2 Tung Sol 6550 Vacuum Tubes / KT9

$219.95

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Tung Sol for RCA 6550 Vacuum Tube Date 66-22 1966 3 Hole Grey Plates USED -FT248
Tung Sol for RCA 6550 Vacuum Tube Date 66-22 1966 3 Hole Grey Plates USED -FT248

$110.00

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6550 TUNG-SOL Type 2 - 4th Gen Halo Getter Three Hole Matched Pair USA Tubes
6550 TUNG-SOL Type 2 - 4th Gen Halo Getter Three Hole Matched Pair USA Tubes

$268.74

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Tung Sol 6550 Vacuum Tube / No Guide Pin / KT4
Tung Sol 6550 Vacuum Tube / No Guide Pin / KT4

$89.95

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Tung-Sol 6550 ST NOS-U.S. Made
Tung-Sol 6550 ST NOS-U.S. Made

$399.95

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Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444
Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444

$165.00

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NOS NIB TungSol 6550 Vacuum Tube Branded For RCA
NOS NIB TungSol 6550 Vacuum Tube Branded For RCA

$174.99

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TUNG SOL 6550 KT88 VACUUM TUBE
TUNG SOL 6550 KT88 VACUUM TUBE

$149.99

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Brand New Factory Matched QUAD (4) Tung-Sol KT150 KT-150 Vacuum Tubes DHL EXPRES
Brand New Factory Matched QUAD (4) Tung-Sol KT150 KT-150 Vacuum Tubes DHL EXPRES

$899.99

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Octet of Tung-Sol 6550 New Production Power Vacuum Tube
Octet of Tung-Sol 6550 New Production Power Vacuum Tube

$583.60

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Tung Sol / Tung-Sol 6550 Tube Made in USA #2
Tung Sol / Tung-Sol 6550 Tube Made in USA #2

$150.00

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Matched Pair Tung Sol 6550 Tubes / KT6
Matched Pair Tung Sol 6550 Tubes / KT6

$249.95

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7 Tungsol 6550 Tubes For Your Western Electric KS-16610-L1 Tube Amplifiers
7 Tungsol 6550 Tubes For Your Western Electric KS-16610-L1 Tube Amplifiers

$560.00

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VINTAGE TUNG-SOL JAN 6550 USA AUDIO TUBE
VINTAGE TUNG-SOL JAN 6550 USA AUDIO TUBE

$222.00

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Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Quad, Power
Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Quad, Power

$294.00

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RCA - Tung Sol 6550 Vacuum Tube / KT3
RCA - Tung Sol 6550 Vacuum Tube / KT3

$109.95

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(Sweet edition)Platinum Factory Match QUAD 4pcs Tung-sol 6550 tubes
(Sweet edition)Platinum Factory Match QUAD 4pcs Tung-sol 6550 tubes

$371.07

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Pair of Tung-Sol 6550 New Production Power Vacuum Tube
Pair of Tung-Sol 6550 New Production Power Vacuum Tube

$145.90

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1 GE BY TUNGSOL EARLY SOLID PLATE 6550 TUBE / RARE / KT88
1 GE BY TUNGSOL EARLY SOLID PLATE 6550 TUBE / RARE / KT88

$189.00

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6550 Tung sol USA , one pair
6550 Tung sol USA , one pair

$231.64

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Matched Pair GE - Tung Sol 6550 Tubes / KT5
Matched Pair GE - Tung Sol 6550 Tubes / KT5

$249.95

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Brand New Factory Matched Quad (4) Tung-Sol Reissue KT120 / KT-120 Vacuum Tubes
Brand New Factory Matched Quad (4) Tung-Sol Reissue KT120 / KT-120 Vacuum Tubes

$370.28

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TUNG - SOL 6550 vacuum tube set of 8, made in Russia, matched pair, 4 sets
TUNG - SOL 6550 vacuum tube set of 8, made in Russia, matched pair, 4 sets

$900.00

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Tungsol 6550 KT88 Solid Black Plate Triple D getter Top Minimum Tested
Tungsol 6550 KT88 Solid Black Plate Triple D getter Top Minimum Tested

$330.00

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Tungsol 6550 KT88 Solid Black Plate Triple D getter Top NOS Tested
Tungsol 6550 KT88 Solid Black Plate Triple D getter Top NOS Tested

$450.00

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Tungsol 6550 Hole Grey Plate Triple O getter Tested Low Work Fine
Tungsol 6550 Hole Grey Plate Triple O getter Tested Low Work Fine

$148.30

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Tungsol 6550 Solid Plate Tested Excellent Matched Quad
Tungsol 6550 Solid Plate Tested Excellent Matched Quad

$1498.65

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Tungsol 6550 KT88 Solid Black Plate 3D getter Tested Good Matched Quad
Tungsol 6550 KT88 Solid Black Plate 3D getter Tested Good Matched Quad

$1890.00

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2pcs matched NEW Audio Valve Vacuum Tube Russia TUNG-SOL 6550
2pcs matched NEW Audio Valve Vacuum Tube Russia TUNG-SOL 6550

$152.99

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Sextet of Tung-Sol 6550 New Production Power Vacuum Tube
Sextet of Tung-Sol 6550 New Production Power Vacuum Tube

$437.70

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Quad of Tung-Sol 6550 New Production Power Vacuum Tube
Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$291.80

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Tungsol 6550 KT88 Solid Black Plate 3D getter NOS Tested Matched Quad
Tungsol 6550 KT88 Solid Black Plate 3D getter NOS Tested Matched Quad

$2600.00

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Tungsol 6550 KT88 Solid Black Plate Triple D getter Top NOS Tested
Tungsol 6550 KT88 Solid Black Plate Triple D getter Top NOS Tested

$450.00

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5 x Tung Sol 6550 tubes, Brand New in Box MATCHED/PAIRED
5 x Tung Sol 6550 tubes, Brand New in Box MATCHED/PAIRED

$278.18

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6550 TUNG-SOL Type 2 - 4th Gen Halo Getter Three Hole Matched Quad USA Tubes
6550 TUNG-SOL Type 2 - 4th Gen Halo Getter Three Hole Matched Quad USA Tubes

$774.47

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Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent
Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent

$265.00

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Tungsol 6550 KT88 Solid Black Plate Triple O getter NOS Tested
Tungsol 6550 KT88 Solid Black Plate Triple O getter NOS Tested

$380.00

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Tungsol 6550 Solid Grey Plate Triple O getter Tested Good Matched
Tungsol 6550 Solid Grey Plate Triple O getter Tested Good Matched

$1229.30

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Tung-Sol 6550 ST NOS-U.S. Made MATCHED PAIR USED and Tested
Tung-Sol 6550 ST NOS-U.S. Made MATCHED PAIR USED and Tested

$610.10

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1PC NEW Audio Valve Vacuum Russia TUNG-SOL 6550
1PC NEW Audio Valve Vacuum Russia TUNG-SOL 6550

$76.99

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2pcs matched Audio Vacuum Tube Russia TUNG-SOL KT170 Replace 6550 KT88 KT150
2pcs matched Audio Vacuum Tube Russia TUNG-SOL KT170 Replace 6550 KT88 KT150

$349.99

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2pcs matched Vacuum Tube Russia TUNG-SOL KT120 Replace KT120 KT88 6550 DIY audio
2pcs matched Vacuum Tube Russia TUNG-SOL KT120 Replace KT120 KT88 6550 DIY audio

$179.99

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Tungsol 6550 KT88 Solid Black Plate Triple D getter Top Low Tested
Tungsol 6550 KT88 Solid Black Plate Triple D getter Top Low Tested

$280.00

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Tungsol 6550 KT88 Solid Grey Plate OOO getter Good Tested From Military Stock
Tungsol 6550 KT88 Solid Grey Plate OOO getter Good Tested From Military Stock

$280.00

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Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Pair, Power
Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Pair, Power

$147.00

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1 STROMBERG CARLSON / TUNGSOL EARLY SOLID PLATE 6550 TUBE / GUIDE PIN BROKEN
1 STROMBERG CARLSON / TUNGSOL EARLY SOLID PLATE 6550 TUBE / GUIDE PIN BROKEN

$179.00

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Tungsol HH Scott Label 6550 Grey Plate Triple O getter Amplitrex Tested NOS 94%
Tungsol HH Scott Label 6550 Grey Plate Triple O getter Amplitrex Tested NOS 94%

$120.00

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NOS Triple Disc Getter Dyna Company Tungsol USA 6550 Power Tube ~ Grail Vintage
NOS Triple Disc Getter Dyna Company Tungsol USA 6550 Power Tube ~ Grail Vintage

$145.00

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Tungsol 6550 KT88 Solid Grey Plate NOS From Military Stock One Tube Price
Tungsol 6550 KT88 Solid Grey Plate NOS From Military Stock One Tube Price

$380.00

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Tungsol 6550 Grey Hole Plate NOS Testing Values Matched Quad
Tungsol 6550 Grey Hole Plate NOS Testing Values Matched Quad

$1298.65

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1PC NEW Audio Valve Vacuum Russia TUNG-SOL KT120 Replace KT120 KT88 6550
1PC NEW Audio Valve Vacuum Russia TUNG-SOL KT120 Replace KT120 KT88 6550

$89.99

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1 STROMBERG CARLSON / TUNGSOL EARLY SOLID PLATE 6550 TUBE / GUIDE PIN BROKEN
1 STROMBERG CARLSON / TUNGSOL EARLY SOLID PLATE 6550 TUBE / GUIDE PIN BROKEN

$189.00

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Tungsol/Sylvania 6550 Solid Grey Plate NOS Tested Excellent Matched Pair
Tungsol/Sylvania 6550 Solid Grey Plate NOS Tested Excellent Matched Pair

$750.00

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Tung-Sol 6550 Power Tubes - Matched Sextet
Tung-Sol 6550 Power Tubes - Matched Sextet

$538.79

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Tungsol 6550 KT88 6550A Solid Plate Tested Excellent Matched Quad
Tungsol 6550 KT88 6550A Solid Plate Tested Excellent Matched Quad

$1498.65

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Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Sextet, Power
Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Sextet, Power

$441.00

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VACUUM TUBES - 6550 RUSSIAN TUNG-SOL - FACTORY MATCHED PAIR - TRACED/TESTED! #2
VACUUM TUBES - 6550 RUSSIAN TUNG-SOL - FACTORY MATCHED PAIR - TRACED/TESTED! #2

$145.00

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1PC Brand New Tung-Sol 6550 Coke Bottle Vacuum Tube KT88 Valve Tube
1PC Brand New Tung-Sol 6550 Coke Bottle Vacuum Tube KT88 Valve Tube

$103.39

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TUNG-SOL ELECTRON TUBE 6550 PowerTubes Matched Pair x4 Manufactured Oct 2010 New
TUNG-SOL ELECTRON TUBE 6550 PowerTubes Matched Pair x4 Manufactured Oct 2010 New

$699.99

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Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent
Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent

$265.00

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New Plate Current Matched Octet (8) Mullard Reissue KT88 / 6550 Vacuum Tubes
New Plate Current Matched Octet (8) Mullard Reissue KT88 / 6550 Vacuum Tubes

$635.54

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(1) Mint NOS 3-Hole Tungsol Made RCA Logo 6550 /8452 Audio Radio Tube(LN61T)
(1) Mint NOS 3-Hole Tungsol Made RCA Logo 6550 /8452 Audio Radio Tube(LN61T)

$149.99

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Brand New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube
Brand New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube

$80.19

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Early Tungsol 6550 KT88 Vacuum Tube - Tested Strong
Early Tungsol 6550 KT88 Vacuum Tube - Tested Strong

$299.99

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Tungsol 6550 KT88 Solid Grey Plate OOO getter NOS Pair From Military Stock
Tungsol 6550 KT88 Solid Grey Plate OOO getter NOS Pair From Military Stock

$799.00

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Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent
Tungsol 6550 NOS Hole Grey Plate Triple O getter Tested Excellent

$265.00

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Tung-Sol 6550 Power Tube LARGE EMPTY BOXES
Tung-Sol 6550 Power Tube LARGE EMPTY BOXES

$399.00

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TUNG-SOL Manufactured Oct 2010 ELECTRON TUBE 6550 PowerTubes Matched Pair x4
TUNG-SOL Manufactured Oct 2010 ELECTRON TUBE 6550 PowerTubes Matched Pair x4

$824.98

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1PC Brand New Tung-Sol KT-120 Vacuum Tube Tested KT120 Valve Tube
1PC Brand New Tung-Sol KT-120 Vacuum Tube Tested KT120 Valve Tube

$122.19

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