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6550 Tube


6 original vintage 3 hole Tung-Sol 6550 tubes tested strong on Sofia

$167.50


set of 4 JJ 6550 vacuum tubes

$60.00


2 Vintage Phillips 6550 Electron Vacuum Tube Made in the USA Continuity Tested

$12.50


VINTAGE TUNG SOL 6550 PRO AUDIO RECEIVER GUITAR AMPLIFIER VACUUM TUBE TESTED

$57.00


pair of ARS (JJ) 6550 / KT88 vacuum tubes

$40.00


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

$172.45


RCA 6550 made in USA matched pair power tubes

$50.00


New Premium Select NessTone 6550 Power Tube Matched Quad - Big, Clean Warm Bass

$89.99


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

$72.95


1 excellent general electric 6550 tube

$49.99


Four (4) Matched Tung Sol 6550 New Amplifier Vacuum Tubes (Re-Issue)

$41.00


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

$57.95


2 general electric 6550 tubes

$69.99


2 excellent vintage tungsol 3 hole gray plate 6550 tubes

$119.99


New JJ Electronic OEM KT88 Tubes Valves, Matched Quad KT-88 6550 KT 88

$109.99


2 excellent vintage tungsol 3 hole gray plate 6550 tubes

$159.99


Matched Quads (4 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW

$119.12


set of 6 Ruby 6550 / KT88-STR (KT88STR) vacuum tubes

$80.00


3 excellent sylvania 6550 tubes

$134.99


Svetlana 6550B-3 Tubes Lot of 4

$65.00


electro-harmonix 6550 / KT88 EH Vacuum Tube brand new

$25.00


Groove Tubes KT88 C 6550 Amplifier Amp Tube / Valve

$100.00


QUAD of General Electric GE 6550A tubes ~ test NOS...OUTSTANDING!

$610.00


New JJ Electronic OEM KT88 Tubes Valves, Matched Pair KT-88 6550 KT 88

$54.99


6550A 6550 GE Matched Pair Vacuum Tube

$152.95


2 Tung-Sol 6550 Black Plate 3-Mica Vacuum Tubes 1959 Vintage 35 Watts Audio

$339.95


JJ/Tesla 6550 Power Tubes, Matched Quad

$179.95


3 JJ 6550 tubes in very good condition and 2 "Splawn" 6550 very used tubes.

$50.00


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

$172.95


KT88 Matched Quad Electro Harmonix + Cryo Treated Vacuum Tubes- 4 6550 KT90

$169.99


Strong Svetlana 6550 Tube

$37.49


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

$180.00


NOS Testing Used Ip Matched (4%) Pair VINTAGE Genalex GEC KT88 6550 Vacuum Tubes

$899.00


Matched Sextet (6 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW

$165.79


Matched Sextet (6) Svetlana 6550 6550C amp tubes, BRAND NEW

$177.12