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Tungsol 6550


RCA TUNG SOL 6550 TUBE

$9.99


6550 Tung-Sol Vintage Tubes Tested Strong Qty 2

$69.00


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

$24.25


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

$69.99


1 6550 TUNG-SOL Black Plate HiFi Radio Amplifier Vacuum Tube Code DP3

$120.00


Matched Date Pair Tung Sol 6550 KT88 Gray Plate RCA Branded Vacuum Tube #2

$269.95


2 6550 TUNG-SOL VACUUM TUBE

$75.00


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

$179.99


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

$199.99


1 excellent tungsol 3 hole gray plate 6550 tube # 4

$99.99


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

$128.99


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

$549.95


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

$259.99


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

$79.99


Tung-Sol 6550 Original Black Plate Triple Getter Tubes, Matched Pairs - Test NOS

$300.00


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

$69.99


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

$675.00


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

$319.95


1 NOS / NIB Tung-Sol 6550 Tube Label RCA 3 Halo Mica Snubbers STRONG!!

$149.95


4 Vintage 6550 Output Tubes Coke-Bottle Tung-Sol Sylvania 3-Hole Tests Good

$369.99


Pair of Vintage 6550 Output Tubes Coke-Bottle GE Tung-Sol 3-Hole Test Great

$179.99


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

$192.50


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

$245.00


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

$433.99


New Plate Current Matched Pair (2) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes

$69.15


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

$282.84


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

$617.49


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

$347.47


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

$300.00


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


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

$249.90


Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$139.92


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

$320.00


2 TUNGSOL (GE BRAND) 6550 AMPLIFIER TUBES METAL BASE AMPLITREX tested Strong

$150.00


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

$349.95


Tung Sol type Vintage GE 6550 Power Tube

$85.00


1 test nos tungsol 3 hole gray plate 6550 tube

$79.99


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

$319.99


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

$64.84


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

$375.00