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Kt88


NIB new Electro Harmonix 6550 = KT88 platinum matched Pair of vacuum tubes

$51.99


Genalex - Pair of Vintage Golden Monarch KT88 Tubes Made in England

$499.00


NOS Date Matched Pair GE USA 6550A [KT88] Gray Plate Vacuum Tubes

$179.95


VINTAGE GENALEX KT88 GOLD LION VACUUM TUBE MADE IN ENGLAND

$44.00


Golden Dragon KT88 NOS Matched pair

$50.00


2 Tung-Sol 6550 KT88 Audio Tubes USA 1960's

$189.99


7 6550 KT88 Tubes Penta Type Amplifier Tubes MaxiMatcher Tested

$90.00


2 Rca 6550 KT88 Tubes MaxiMatcher Tested

$150.00


Matched Quad (4 tubes) Mullard KT88 Reissue tubes, Brand NEW

$135.14


2 Tung-Sol 6550 KT88 Solid Plate Audio Tubes USA 1961

$259.99


KT88 - New Chinese made - unbranded generic tube - 6550

$15.00


Genalex KT88 Gold Lion Tube Re-Issue Russian Made Tested

$30.00


(4) Factory Matched Genalex Gold Lion KT88 6550

$220.00


Electro-Harmonix KT88 EH Power Vacuum Tubes - Matched Quad - 4 Pieces

$129.92


GE JAN 6550A KT-88 Pair USA Made Tested Strong, 3 Getter, Guitar Amp, NOS/NIB

$229.99


KT88, Set of 4 Vintage Mullard Quad KT88 Power Tubes. made in Great Britain

$999.99


Brand New Current Matched Sextet (6) Svetlana 6550 / 6550C (KT88) Vacuum Tubes S

$188.99


Matched Quads Svetlana KT88 Power Amp Tubes, NEW !!!

$134.33


NOS Svetlana SED Winged C 6550/KT88 tube

$74.99


EXTREMELY RARE PAIR TUNGSOL VINTAGE 1965 KT88 / 6550 3 GETTER TUBES AMAZING! NOS

$562.49


6550 Tung-Sol reissue tubes matched quad CRYO treated KT88 new unused

$191.90


Good Used GE Made for RCA 6550 (KT88) Vacuum Tube, 3 Getters

$39.99


1x NEW Electro Harmonix KT88 EH Power Vacuum Tube TESTED

$28.35


KT88 Matched Quad Electro Harmonix + Cryo Treated Vacuum Tubes- 4 6550 KT90

$169.99


GE 6550 A KT88 Vacuum Tube Very Strong Results =

$99.99


AMAZING MATCHED PAIR TUNG-SOL 6550 / KT88 VINTAGE TUBES COPPER PLATES 3 MICA'S

$374.99


(4) Factory Matched Genalex Gold Lion KT88 6550 For McIntosh

$220.00


JJ Electronics KT88 Blue Glass Power Vacuum Tubes - Matched Quad - 4 Pieces

$179.92


New 4x Electro Harmonix KT88 | Matched Quad / Quartet / Four Tubes

$129.89


Shuguang Treasure KT88-Z Tubes Matched Pair Premium Grade A Brand New

$185.00


Original Gold Lion KT88 Vintage Tube NOS Matched QUAD rare Brand New

$1,700.00


New 8x Electro Harmonix KT88 | Matched Octet / Eight | Power Tubes | Free Ship

$289.95


(4) Factory Platinum Matched Mullard KT88 Power Tubes

$179.00


KT88 Tesla NOS Match Quad or 4 Tubes Specially made For Czech Military no JJ

$140.00


Matched Quad of Electro Harmonix KT88 tubes, BRAND NEW

$127.91


Tung Sol 6550 KT88 Solid Grey Plates Vacuum Tube Very Strong Results = 12,000

$118.99


Quad Shugaung KT88 Treasure series "Black Bottle". Two matched pairs

$229.00


GENALEX KT88 TEST GOOD ORGINIAL GENALEX TUBE

$74.99


Groove Tubes GT-KT88-C2 Matched Pair Power Vacuum Tubes (Regular High) for Amp

$40.00


NOS Peavey China 6550 [KT88] Gray Plate 3 Mica ST S-Rods Vacuum Tube

$18.95