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6550 Tubes


6550 / Kt88 Tung Sol BLACK PLATE Vintage VACUUM TUBE

$19.00


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

$192.16


2 x 6550 Tungsol Tubes *Solid Grey Plates*Matched Pair*

$93.99


ONE Genalex Gold Lion/Monarch KT88 6550 Audio Power Tube TESTED

$299.00


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

$126.75


1 excellent strong general electric 6550a / 6550 tube

$39.99


Pair of GE 6550A Vacuum Tubes - Ip matched & Test NOS +

$150.00


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

$74.95


2 new in the box general electric 6550a / 6550 tubes

$179.99


(4) USED TUNGSOL 6550 TUBES

$399.00


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

$136.95


1 excellent new in the box vintage tungsol 6550 tube

$99.99


1 excellent strong general electric 6550 tube

$39.99


NEW NESSTONE 6550 ST **Pair** Tung Sol Style Power Tubes-Matched-Powerful Tone!

$44.99


Matched Quads Svetlana 6550 6550C amp tubes, BRAND NEW

$125.49


3 Sovtek 6550WE Power tubes

$45.00


Very Strong Pair GE 6550 KT88 Vacuum Tubes Bogey Super Matched

$183.99


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

$129.99


3 excellent new 1960s mil spec Jan Green Label tungsol 6550 tubes

$279.99


2 pcs NOS 6550-C (KT88) SED winged "C" tubes matched pair

$50.00


2 excellent test nos truly matched vintage tungsol 3 hole plate 6550 tubes # 11

$219.99


1 super strong test nos sylvania 6550 tube

$89.99


Pair Of Vintage Sylvania 6550 Power Tubes One NOS Boxed For Amplifier

$129.99


2 excellent test nos truly matched vintage tungsol 3 hole plate 6550 tubes # 14

$219.99


1 excellent general electric 6550a / 6550 tube

$31.00


2 strong rare tungsol solid black plate 6550 tubes

$349.99


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

$65.99


PAIR USED SYLVANIA 6550 TUBES

$189.00


Date Matched Pair Vintage Tung Sol Black Plate 6550 Tubes Original Boxes KT88

$795.00


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

$194.95


6550 R MATCHED QUAD NEW (4 tubes) GROOVE TUBES FENDER MADE RUSSIA BIN $65 KT88

$65.00


1 McIntosh kt88 / 6550 tube

$29.99


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

$67.95


2 new rare tungsol solid black plate 6550 tubes

$399.99


(1) NOS NIB RCA (Tung Sol) 6550 Tube - triple getter, three hole plate

$125.00


3 Vintage Genalex Gold Lion KT-88 Tubes Black Plate Metal Bases 6550 TESTED

$469.99


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

$180.00


Set of Four Quad Vintage Tung Sol 6550 Tubes Tested on Computerized Curve Tracer

$699.99


Matched Quad 6550 ShuGuang KT88 HiFi Vacuum Tube Amplifier New Tested Old Stock

$75.05


3 Vintage Tung-Sol 6550 Vacuum Tubes : Same Date Code (3226142-3 : 1961)/ Strong

$449.99


JJ/Tesla 6550 Power Tubes, Matched Quad

$179.95


Electro-Harmonix 6550 EH Matched Quad Set (4) Vacuum Tubes Brand NEW In Box

$117.00


Matched Quads (4 tubes) Electro Harmonix 6550 6550EH large tubes, NEW

$113.63