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3 Tung-Sol 6550,KT88 hole plate,gray,OOO getter tested nos on tv-7.free return
3 Tung-Sol 6550,KT88 hole plate,gray,OOO getter tested nos on tv-7.free return

$350.00

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VINTAGE TUNG SOL 6550 BLACK SOLID PLATE TUBES, WORK BUT LOW TEST SEE VIDEO
VINTAGE TUNG SOL 6550 BLACK SOLID PLATE TUBES, WORK BUT LOW TEST SEE VIDEO

$125.00

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Tung-Sol Ratheon 6550 Solid Black Plate DDD Getters Vintage Tube (tests well)
Tung-Sol Ratheon 6550 Solid Black Plate DDD Getters Vintage Tube (tests well)

$160.00

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

$495.00

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

$150.00

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Tung-Sol 6550 Vacuum Tube 2nd Version Solid Gray Plates Date: 6064-3 FT-284
Tung-Sol 6550 Vacuum Tube 2nd Version Solid Gray Plates Date: 6064-3 FT-284

$150.00

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Vintage 1958 Tung Sol 6550 Vacuum Tube TV7DU Tested Lower Range
Vintage 1958 Tung Sol 6550 Vacuum Tube TV7DU Tested Lower Range

$79.99

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NOS Matched Quad 6550 TUNG SOL Made Tubes. MINT Cond. All Tubes Test 98% to 99%
NOS Matched Quad 6550 TUNG SOL Made Tubes. MINT Cond. All Tubes Test 98% to 99%

$1199.00

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

$249.95

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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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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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Rare ElectroVoice A50 Circlotron Tung-Sol 6550 Tube Amplifier with Original Cage
Rare ElectroVoice A50 Circlotron Tung-Sol 6550 Tube Amplifier with Original Cage

$2099.99

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

$109.95

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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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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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1MP NOS+ Russian Tung-Sol 6550 / KT88 / Current Tested @400v / ##JH
1MP NOS+ Russian Tung-Sol 6550 / KT88 / Current Tested @400v / ##JH

$179.00

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

$628.85

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Single Rare Tung-Sol 6550 Solid Black Plate 3 DDD getter tube USA 1950s TSTD NOS
Single Rare Tung-Sol 6550 Solid Black Plate 3 DDD getter tube USA 1950s TSTD NOS

$499.99

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

$219.95

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

$399.95

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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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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

$268.42

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

$89.95

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

$249.95

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

$149.95

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

$232.84

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One quad of Tung-Sol made 6550 electronic tubes
One quad of Tung-Sol made 6550 electronic tubes

$1040.00

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

$249.95

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

$358.79

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Tung-Sol 6550 Vintage Solid Black Plate Coke Bottle Power Tube USA
Tung-Sol 6550 Vintage Solid Black Plate Coke Bottle Power Tube USA

$676.87

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New Plate Current Matched Quad (4) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes
New Plate Current Matched Quad (4) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes

$324.48

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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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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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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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Tung-Sol 6550 BEAM Tube Ad, 1 pg, Article, Specs, Info
Tung-Sol 6550 BEAM Tube Ad, 1 pg, Article, Specs, Info

$7.00

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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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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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(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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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 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 KT88 Hole Plate Triple O getter Tested NOS Matched Quad
Tungsol 6550 KT88 Hole Plate Triple O getter Tested NOS Matched Quad

$998.00

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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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6550 General Electric Single Tube
6550 General Electric Single Tube

$69.95

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

$195.08

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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

$773.57

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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 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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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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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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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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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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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/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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6550-TK Black Diamond Series Vacuum Tube Matched Quad
6550-TK Black Diamond Series Vacuum Tube Matched Quad

$410.00

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Audio Research VTM-200 open boxes NOS Fresh Tung-Sol 6550c Matching From ARC
Audio Research VTM-200 open boxes NOS Fresh Tung-Sol 6550c Matching From ARC

$5899.00

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

$1498.65

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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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(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)

$99.99

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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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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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1pcs NEW TUNG-SOL 6550 tests strong tube
1pcs NEW TUNG-SOL 6550 tests strong tube

$115.00

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6550A TUNG SOL
6550A TUNG SOL

$36.31

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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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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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6550-TK Black Diamond Series Vacuum Tube Matched Pair
6550-TK Black Diamond Series Vacuum Tube Matched Pair

$205.00

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

$299.99

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Platinum Match 4pcs Genalex GOLD LION KT88 + Match pair Tung sol 6SN7 tubes
Platinum Match 4pcs Genalex GOLD LION KT88 + Match pair Tung sol 6SN7 tubes

$360.84

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

$377.23

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Electro-Harmonix 6550EH Vacuum Tube
Electro-Harmonix 6550EH Vacuum Tube

$92.99

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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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6550-TK Black Diamond Series Vacuum Tube
6550-TK Black Diamond Series Vacuum Tube

$100.00

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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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Tungsol 6550 KT88 Hole Plate Triple O getter Tested NOS Matched Quad
Tungsol 6550 KT88 Hole Plate Triple O getter Tested NOS Matched Quad

$880.00

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Tungsol 6550 KT88 Reissue Grey Plate NOS NIB
Tungsol 6550 KT88 Reissue Grey Plate NOS NIB

$120.00

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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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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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1PCS NEW FOR TUNG - Electron tube 6550 #WD8
1PCS NEW FOR TUNG - Electron tube 6550 #WD8

$487.13

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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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