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Tungsol 6550


TUNG SOL 6550 TUBES, PAIR NEW UNUSED, USA PRODUCTION, JAN . .

$275.00


TUNG SOL 6550 USA JAN TUBES NEW OLD STOCK QUAD SET. . .

$595.00


4 Tung-Sol 6550 KT88 Reissue Matched Tube Quad - Brand New in Box - Free Ship

$124.99


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

$126.09


4 Brand New Tung-Sol KT120 / (KT88 6550) Factory Matched Amplifier Tube Quad New

$139.99


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

$299.99


2 new in the box tungsol 3 hole 6550 tubes # 1906

$249.99


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

$150.00


VINTAGE TUNG-SOL 6550 SMOOTH GREY PLATE TUBES DIGITAL STRONG MATCHED PAIR

$195.00


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

$275.46


2 truly matched new vintage tungsol 3 hole gray plate 6550 tubes within 0.3ma

$299.99


2 strong tungsol solid black plate 6550 tubes # 1210 matched within 3ma

$399.99


2 6550 TUNG-SOL Solid Black Plate HiFi Amp Vacuum Tubes Matching Codes 601-3 NOS

$800.00


Quad of Tung-Sol 6550 KT88 NOS NIB Solid Gray Plate 1960s Vacuum Tubes

$1,200.00


2 mint new tungsol 3hole gray plate 6550 tubes # 1949 matched with 2ma at 400v

$299.99


Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$139.92


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

$649.99


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

$188.65


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

$599.99


2 6550 RCA by TUNG-SOL HiFi Radio Amplifier Vacuum Tubes Matching Codes 6526 NOS

$400.00


2 test nos tungsol solid black plate 6550 tubes # 1208 matched within 1ma

$399.99


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

$79.99


2 new same date tungsol solid gray plate 6550 tubes # 1201 matched within 2ma

$399.99


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

$173.25


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

$345.00


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

$433.99


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

$320.00


2 test nos tungsol solid gray plate 6550 tubes # 1211 matched within 2ma

$349.99


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

$242.55


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

$300.00


TUNGSOL 6550 SOLID BLACK PLATE US MADE

$227.47


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

$349.95


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

$317.47