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6550 Tube Pair


Tung-Sol Factory Platinum Matched PAIR TWO 6550 Reissue amp tubes 24hr Burn-in

$63.25


SOVTEK Factory Platinum Matched PAIR TWO 6550WE 6550 tubes 24 Hr Burn-in

$57.95


AMAZING MATCHED PAIR TUNGSOL 6550 BLACK PLATE SQUARE GETTER [] TUBES KT88 1963

$585.00


PAIR ORIGINAL GENALEX KT88 6550 TUBES - FIT: MCINTOSH MC60 NOS??

$316.00


TWO Electro Harmonix Factory Matched 6550 6550EH Vacuum Tubes PAIR 24hr Burn-in

$59.95


Brand New Current Matched Pair Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tube

$68.66


Matched Pair TungSol 6550 Solid Gray Plate Vacuum Tubes Same Date, Tested Good

$175.00


NOS Matched Pair Tung-Sol 6550 Tube Set in original box

$11.00


Matched Pair Executone Tung Sol 6550 KT88 Vacuum Tube Very Strong

$218.99


Ruby Power Vacuum Tube 6550CR Matched Pair

$75.00


Matched Pair (2 pcs) GE 6550A power tubes, AT1000 tested

$189.00


1964 TUNG-SOL 6550 PAIR WELL MATCHED TUBES TESTED ON MAXIMATCHER

$175.00


6550 Groove Tubes Blue Pair (2) Made Russia 6550-R KT88 KT90 Fender Vacuum Tube

$41.50


Matched Pair (2 pcs) Sylvania 6550 power tubes welded plates, used tests strong

$119.00


TUNG-SOL 6550 PAIR MATCHING SERIAL #'S WELL MATCHED TUBES TESTED ON MAXIMATCHER

$169.00


6550 Groove Tubes Red Pair (2) Made Russia 6550-R KT88 KT90 Fender Vacuum Tube

$41.50


2 Groove Tubes, TUBE GT-6550-C R9 Pair matched, Fender, Brand New In Box

$64.40


GROOVE TUBES GT-6550C LOW MATCHED PAIR VINTAGE NOS IN ORIGINAL MFG PACKAGE

$187.99


Matched Pair Raytheon Tung Sol 6550 KT88 Solid Black Plate Vacuum Tubes

$568.99


TRUE MATCHED PAIR TUNG SOL 6550 Black Plt (KT88) Vacuum Tubes MAXI Test #K.3539

$499.95


NIB NOS Plate Current (4%) Date Matched Pair VINTAGE KT88 6550 GEC Genalex Tubes

$1,499.00


PM Tubes 6550C Matched Pair

$69.00


KT88(6550) Tubes Valve Art CRYOGENIC matched pairs

$89.90


NEW -- Matched Pair of JJ/Tesla 6550 power tubes

$86.78


Matched Pair Svetlana 6550 6550C amp tubes, BRAND NEW

$63.17


2x NEW Electro Harmonix 6550 EH 6550EH Power Vacuum Tubes, Matched Pair TESTED

$56.85


KT88(6550) Tubes Valve Art audiophile grade matched pairs( quads available)

$71.99


Mullard Platinum Factory Matched PAIR New NIB KT88 KT-88 6550 Tubes

$73.95


Svetlana SV6550C Matched Pair NOS St.Petersburg Tubes *Getting Hard To Find!*

$225.00


Date MATCHED PAIR TUNG SOL 6550 Black Plt (KT88) Vacuum Tubes MAXI Test #K.3540

$429.95


1 PAIR NEW 6550R / 6550 TUBES~GROOVE TUBE~VALVE~VACUUM~AMPLIFIER~GUITAR~AMPEG~

$79.95


Matched Pairs (2 tubes) Electro Harmonix 6550 6550EH large tubes, NEW

$61.88


Ruby Power Vacuum Tube, 6550A-STR, Matched Pair

$73.95


New - Valve Art 6550A 6550 Matched Pair vacuum tube

$63.95


Matched PAIR 6L6GC (6550, KT88) SED Svetlana Winged =C= Brand NEW tube

$149.00


Shuguang Audio Vacuum Tube 6550/6550B Valve Amp Match 1pair

$49.50


GEC KT88 / 6550 Matched PAIR 100% NOS NIB Audio Power Tubes Rare Tubes Top !

$1,895.00


Pair GE 7591A Vacuum Tubes Results = 7200 6550 µmhos

$73.99


2x NEW Ruby 6550A-STR 6550ASTR Vacuum Tubes, Matched Pair TESTED

$71.85