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Tung 6550


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

$44.99


Matched Pair of Vintage Tung Sol 6550 Tubes! TEST VERY STRONG NO RESERVE!

$130.50


Matched Pair RCA Tung Sol 6550 Tubes Hickok Tested Strong Matching Date Codes

$157.50


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

$479.99


Pair Tung Sol 6550 KT88 Gray Plate Sylvania Branded Vacuum Tube

$225.00


Tung-Sol Reissue 6550 Tubes Pair - As IS - Tested

$35.00


MATCHED 1964 TRIO VINTAGE TUNG-SOL HARMAN KARDON 6550 KT88 TUBES FOR CITATION II

$499.00


GE Tung Sol 6550 KT88 Solid Grey Plates Vacuum Tube Very Strong

$113.99


Nice Vintage Tung-Sol 6550 Output Tube Coke-Bottle 3-Hole Tests Good

$79.99


One Single of Tung Sol 6550 tube, Brand New in Box !

$28.88


NOS NIB TUNG SOL 6550 (KT88) BLACK SOLID Plate 3 [] Getter VACUUM TUBE #C.6554

$249.95


Service Master Tung Sol 6550 KT88 Vacuum Tube Single - Tested & Working 42/44

$39.95


Matched Pair Tung-Sol 6550 Vacuum Tubes : Same Date Code (3226142-3) / Strong!!!

$299.99


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

$140.98


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

$139.95


Pair of Tung-Sol 6550 KT88 Black Plate Vacuum Tubes

$500.00


Tung-Sol Reissue 6550 Matched Quad Set (4) Coke Bottle Vacuum Tubes Brand NEW

$140.50


6550 TUNG-SOL VACUUM TUBES 3 HOLE COKE BOTTLE 1971 MATCHED PAIR JKPMN WOW

$290.00


Tung-Sol 6550 New Production Power Vacuum Tube

$34.98


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

$155.00


Tung-Sol 6550 Duet Platinum Matched

$106.90


!961's Tung-Sol 6550 Vacuum Tube : Very Strong!!!

$139.99


Tung Sol 6550 KT88 Solid Black Plates Vacuum Tube Very Strong (3) Available

$199.99


GE Tung Sol 6550 KT88 Vacuum Tube Bogey +

$113.99


Vintage Tung-sol Black Plate 6550 / KT88 Tube Work's Perfect! Triple DDD Getter

$258.75


Matched Date Pair Tung Sol 6550 KT88 Gray Plate RCA Branded Vacuum

$352.95


Tung-Sol 6550 ST NOS-U.S. Made

$349.95


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

$70.95


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

$320.00


TUNG SOL 6F6G Coke Bottle Black Glass Amplifier VINTAGE Vacuum Tube TESTED H6550

$13.95


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

$149.80


Factory Matched Octet Tung-Sol Tungsol 6550 KT88 - Audio Research Tube Amplifier

$320.00


Tung Sol type Vintage GE 6550 Power Tube

$92.00


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

$224.70


Vacuum Tube - 6550, Tung-Sol Reissue, Power Tube

$35.95


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

$74.90


1,Vintage Tung Sol 6550 - Tung-Sol 6550, Very Clean Tests NOS Plus!!! See Pics

$104.99


6550 Tung-sol Vintage made in U.S.A Amplitrex tested #623005

$350.00


Tung-Sol 6550 Matched Pair New Unused

$1,200.00


Tung-Sol 6550 NOS NIB Tube Brown Base 3-Getter 'No-Hole' 1960s - Test NOS

$186.93


MATCHED PAIR VINTAGE TUNG-SOL "LESLIE" KT88 6550 ELECTRON TUBES - TEST EXCELLENT

$359.00


VINTAGE TUNG-SOL "LESLIE" KT88 6550 ELECTRON TUBE - TEST EXCELLENT

$174.95


NEW TUNG-SOL Reissue 6550 Vacuum Tubes Nicely Matched Pair

$82.00