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6550 Tube


ORIGINAL GENALEX GOLD LION KT88 6550 TUBE

$160.00


GE 6550A / KT88 Audio Power Tube Matched Pair/Date Codes TESTED STRONG NOS NIB

$232.95


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

$164.93


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

$59.95


Brand New Current Matched Quad Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tubes

$129.99


4 Tested 6550 Tube Amp Amplifier Ruby Tubes Quad

$29.95


Tung Sol metal base 6550 power tube-Hickock 752A tested-EXC!!

$15.25


6550 amp tube, single, NEW !!!

$15.00


Svetlana 6550B-3 Tubes Lot of 4

$65.00


NIB new ElectroHarmonix 6550 KT88 vacuum tube $27ea; matched pair quad available

$24.30


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

$89.25


MATCHED PAIR VINTAGE LESLIE TUNG-SOL 6550 AUDIO OUTPUT TUBES

$159.99


Tung-Sol Factory Platinum Matched QUAD 6550 Reissue amp tubes NIB 24hr Burn-in

$124.95


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

$62.95


Lot of TUBES WITH ISSUES Output Power Tubes 6550 Amplifier / Vacuum Tubes

$19.99


6550 Teslovak Quad (4) Made Russia KT88 KT90 Vacuum Tube

$78.50


RCA 6550A tubes

$140.00


6550a Tube Vintage GE USA Tested Good Pre Owned

$29.95


6550 Teslovak Pair (2) Made Russia KT88 KT90 Vacuum Tube

$39.50


1 Tung-Sol 6550 KT88 Black Plate Audio Tube USA 1959

$179.99


Matched Octet (8 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW,

$251.28


6550a Tube Vintage GE USA Tested Good Pre Owned.

$29.95


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

$175.00


Tung-Sol 6550 pair matched date code good condition on tube tester

$100.00


(8) Matched Svetlana 6550 6550C amp tubes, BRAND NEW

$248.55


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

$186.96


NEW USA RCA Tung-Sol 6550 NOS NIB 1969 Vacuum Tubes Valves FREE SHIP

$1,099.99


New Plate Current Matched Sextet (6) Tung-Sol Reissue 6550 KT88 Vacuum Tubes

$187.74


SEXTET Tung-Sol Factory Platinum Matched 6550 Reissue amp tubes 24hr burn-in

$187.75


2 6550 TUNG-SOL 3-Hole Plate Hi Fi Radio Amplifier Vacuum Tubes Codes 3226615-3

$200.00


TUNG SOL 6550 VACUUM TUBE 3 HOLE GREY PLATE (BJR1072)

$59.99


RCA 6550 Vintage Tube 2 Round Side Getters 1 Round Top Getter NOS (Test 101%)

$256.50


RCA 6550 Vintage Tube Pair 3X Mica Three Getters Factory Matched NOS (Test 97%)

$571.50


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

$180.00


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

$57.95


Tung-Sol 6550 Vintage Vacuum Tube Top Round Getter Dual Side Getters (Test 82%)

$199.50


Tung-Sol 6550 Original Issue Tubes, Matched Pair - Tested, NOS #2

$400.00


Matched Pairs (2 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW

$64.84


Tung-Sol 6550 Original NOS MATCHED PAIR VACUUM TUBES USA Tungsol

$399.99


4x NEW Ruby 6550A-STR 6550ASTR Vacuum Tubes, Matched Quad TESTED

$143.75


Ruby Power Vacuum Tube 6550CR Matched Pair

$60.00


New Plate Current Matched Octet (8) Tung-Sol Reissue 6550 KT88 Vacuum Tubes

$254.95


6550 Teslovak Triplet (3) Made Russia KT88 KT90 Vacuum Tube

$59.50