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Tungsol 6550


RCA TUNG SOL 6550 TUBE

$15.99


1 old orig 6550 Tung-Sol Black Solid Plate ~ Excellent ~TV-7 & Hi-Fi amp Tested

$24.25


6550 Tung-Sol Vintage Tubes Tested Strong Qty 2

$127.50


2 6550 TUNG-SOL VACUUM TUBE

$75.00


NOS MATCHED QUAD Tung Sol Style 6550 Tube Shuguang Beijing Made 80's KT88

$69.99


2 test nos lightly used tungsol 3 hole 6550 tubes matched within.5ma

$199.99


2 excellent very nice test nos tungsol 3 hole gray plate 6550 tubes # 556

$179.99


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

$128.99


2 NOS NIB Tung-Sol 6550 Tubes Three Hole Plates GM Matched Pair Tested Strong

$319.95


1 excellent tungsol 3 hole gray plate 6550 tube # 4

$99.99


2 new rare Jan mil spec tungsol 3 hole 6550 tubes perfect current match and gm

$259.99


6550 Tung-Sol (Leslie) USA test NOS MaxiMatcher matched to 10% for plate current

$249.90


1 excellent very nice tungsol 3 hole gray plate 6550 tube #129

$79.99


2 NOS NIB Tung-Sol 6550 Tubes Solid Plates Date & GM Matched Pair Tested Strong

$549.95


Tung Sol 6550 tubes, Quad set , USA New Old Stock JAN . .

$675.00


Perfect Nos Tung-sol 6550 tube 3 Getter 3 Mica Welded Plate's Vintage Strong New

$245.00


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

$282.84


Matched Pair Tung Sol 6550 KT88 Solid Black Plates Vacuum Tubes Very Strong

$433.99


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

$192.50


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

$300.00


TUNGSOL 6550 Well-Balanced Gm & Ip PLATINUM MATCHED PAIR US MADE

$347.47


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

$256.02


NOS Tung-sol Black Plate Tall bottle 6550 KT88 1960 Power tube 3 {} {} {} Getter

$228.37


TUNG-SOL 6550 TUBES MATCHED PAIR BLACK PLATE SYLVANIA LABELED NOS NIB

$617.49


Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$139.92


1 test nos vintage tungsol solid gray plate 6550 tube #9

$69.99


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

$320.00


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

$349.95


Tung Sol type Vintage GE 6550 Power Tube

$85.00


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

$64.84


2 new in the box mint tungsol 3 hole gray plate 6550 tubes

$249.99


2 new in the box matched vintage tungsol solid gray plate 6550 tubes

$319.99


2 Tung sol black plate 6550 tube tested for mcintosh mc60 or 275

$375.00


1 test nos rca tungsol 3 hole plate 6550 tube

$99.99


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

$320.00


6550 Harmon Kardon Made in the USA Probably a Tung-Sol Tube

$54.00


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

$174.95


Tung-Sol 6550 Matched Pair New Unused

$1,200.00