On Sale At numatravels.com!

6550 Quad Tubes


Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

$199.99


Jadis Sovtek RAM 6550WE Quad Tubes--Strong and Well-Matched

$21.99


GOLD Matched Quad (4) Mullard KT88/6550 tubes - Russia

$138.15


Factory Platinum Matched Quad Svetlana 6550 6550C tubes, BRAND NEW in Box !

$126.30


Matched Quad (4) Genalex Gold Lion KT88/6550 tubes - Russia

$178.46


Sylvania 6550 Gray Plate - Quad - NOS - Various Brand Names on Tubes - 3 getters

$475.00


Sylvania 6550 matched quad vintage power tubesĀ 

$270.00


Match Quad NOS GE 6550A Tubes Vacuum Valves Orig Box

$395.00


Brand New Matched Quad (4) TUNG SOL 6550 Vacuum Tubes

$129.00


New Current Matched Quad Svetlana 6550 / 6550C Vacuum Tubes

$148.55


Factory Platinum Matched Quad Tung Sol 6550 tubes, Brand New in Box !

$135.37


Electro Harmonix Factory Plat Matched 6550 6550EH Vacuum Tubes QUAD 24hr Burn-in

$144.95


QUAD Four Factory Platinum Matched Genalex Gold Lion KT88 KT-88 6550 Tubes

$177.95


JJ/Tesla 6550 Power Tubes, Matched Quad

$179.95


(4x) QUAD - SVETLANA 6550 / 6550C (KT88) VACUUM TUBES - CURRENT MATCHED!

$123.00


TAD Matched Quad Winged C SED 6550 C Tubes-24 Hour Burn In -Premium Selected NOS

$460.00


Matched PLATINUM Quad (4) Electro-Harmonix 6550/KT88 tubes - Russia

$126.65


Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$139.92


Quad of Sovtek 6550WE Power Vacuum Tube

$131.80


PLATINUM Matched Quad (4) Mullard KT88/6550 tubes - Russia

$140.05


Factory Matched Quad Tube Amp Doctor TAD KT88 6550 For Tube Amplifiers Citation

$199.00


Matched Quad (4) Electro-Harmonix 6550/KT88 tubes - Russia

$140.55


Matched Quads (5 tubes) Electro Harmonix 6550 6550EH large tubes, NEW

$145.00


Matched Quad (4) Electro-Harmonix KT88/6550 tubes - Russia

$131.35


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

$169.19


Factory Matched QUAD Tung-Sol Tungsol 6550 KT88 - For Tube Amplifiers

$155.00


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

$145.80


Factory Matched Quad Tube Amp Doctor TAD 6550 6550A KT88 - GE 6550A Remake

$180.00


Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power

$145.00


Vacuum Tube, 6550WE, Sovtek, Apex Matched Quad, Power

$137.80


Valve Art Power Vacuum Tube, 6550A, Matched Quad

$135.95


Vacuum Tube, 6550A, Valve Art, Apex Matched Quad, Power

$154.56


New Current Matched Quad (4) JJ Electronic 6550 Vacuum Tubes

$186.98


Factory Matched QUAD Svetlana KT88SV 6550 KT88 - For Tube Amplifiers

$160.00