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Kt66


KT66 GREY GLASS GEC VALVE for amplifier RARE TESTED 100% LIKE NEW

$48.61


1 excellent brown base Genelax England kt66 / 6L6 tube NO RESERVE #16075

$16.50


Pair 2 Genalex KT66 Made in England Smoked Big Bottle Glass Vacuum Output Tubes

$325.95


1 excellent brown base Genelax England kt66 / 6L6 tube NO RESERVE #16076

$12.50


Brand New Tung-Sol Reissue KT66 Plate Current Matched Quad (4) Vacuum Tubes

$151.36


KT66 6L6GC CV1075 Osram UK used, tested exellent.

$6.17


2 VINT. AMPEREX GLOBE 7581A KT66 Tubes Amplitrex Test 91% + gm Match DATE 1969

$75.00


2pcs Gold Plate 8pin Vintage Ceramic Tube Base For GEC U52 KT66 HIFI Audio Amps

$7.50


M. PAIR GENERAL ELECTRIC 7581 A / KT66 TUBES #2

$60.00


NOS General Electric KT66 / 7581A tube

$85.52


RCA 6L6GC 2-Tubes NOS/NIB BLACK Plate HoLy GrAiL "O" Getr NICE Matched PAIR USA!

$280.35


Panel Meter Analog DC 200mA Warm Back Light 845 KT66 300B KT88 EL34 EL84 6V6 6L

$8.99


Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) Vacuum Tubes

$49.97


KT66 GOLD TAD ORIGINAL MARSHALL SPARES MATCHED PAIR VALVE/TUBE

$68.66


2 Strong Matched Amperex / GE Gray Plate Double Side O Getter 7581A / KT66 Tubes

$89.99


7581A KT66 GE NOS BOXED MATCHED PAIR VALVE/TUBE

$174.77


New Current Matched Pair (2) Reissue Genalex Gold Lion KT66 6L6 Vacuum Tubes

$82.90


2 Strong Matched GE Gray Plate Double Side O Getter 7581A / KT66 Tubes

$89.99


2 NOS NIB Plate Current Matched GE 7581A KT66 Audio Tubes USA

$175.00


Vacuum Tube - KT66, Genalex Gold Lion, Single or Matched: Matched Quad

$167.80


NOS NIB KT66 GEC. LARGE TUBE VINTAGE ENGLAND MADE OSRAM NEW 6L6G 350B CUP GETTER

$297.50


NOS NIB KT55 OSRAM TUBE ENGLAND AKA KT66 6550 POWER PENTODE ~MINT~ CONDITION

$168.75


NOS KT66 GEC. GIANT TUBE VINTAGE ENGLAND VT-75 OSRAM NEW 6L6G 350B CUP GETTER

$346.50


Perfectly Matched Pair of GE 7581A KT66 NOS NIB Vacuum Tubes

$250.00


Vintage Genalex KT66 - Brown Base - Smoke Glass - Pair

$450.00


JJ/Tesla KT66 Power Tubes, Matched Quad

$160.59


Matched Pair Mullard Vintage Original KT66 Vacuum Tube Brown Base Made in UK NOS

$349.99


ORIGINAL 1960s GENALEX GOLD LION KT66 VACUUM TUBE NIB WITH DATA SHEET (BJR7006)

$259.99


GE 7581A KT-66 UPGRADES 6L6GC MATCHED QUAD 102% mA/V CLEAN-POWER TUBES NOS 1969

$319.96


VINTAGE MARCONI VT75/KT66/6L6 TUBES MAXI-MATCHER TESTED

$725.00


Gold Lion KT-66 New In Box factory matched QUAD plus additional in-house testing

$164.95


Matched Quad of GE 7581A KT66 NOS NIB Vacuum Tubes

$500.00


GE 7581A KT-66 UPGRADES 6L6GC MATCHED PAIR CLEAN-POWER TUBES BROWN BASE NOS

$430.00


HYTRON NOS Pair 6L6GX Glass Base Industrial Grade CUP Getters Matched kt66 6l6gc

$416.50


GEC England KT66 tube - Tests at 90 - Original for Marshall- QUAD 2- Leak 12.1

$165.00


Quad of 7581A/KT66 Vacuum Tubes 3 New in Box 1 Used GE for McIntosh MC 240 MC-30

$160.00


(4) Factory Platinum Matched Genalex Gold Lion KT66 6L6 6L6GC

$169.00


Tung-Sol Reissue KT66 Matched Quad Set (4) Vacuum Tubes Brand NEW In Box

$139.95


LOT OF 4 KT66/7581 VACUUM TUBES - ONE IS NOS GENERAL ELECTRIC

$189.95


Vacuum Tube - NOS KT66, Groove Tubes Gold Series Matched Quad (4)

$149.95


RCA 6L6GC A-NOS/NIB 4-Tubes BLACK Plate "O" HoLy GrAiL NICE Matched QUAD 60s USA

$622.11


Sextet of Genalex - Gold Lion KT66 Power Vacuum Tube

$257.88


Sextet of Tung-Sol KT66 New Production Power Vacuum Tube

$227.88


RCA 6L6GC NOS/NIB 2-Tubes rArE Chrome-Top "OO" TALL Bottle MINT Matched PAIR USA

$177.11


Vacuum Tube - KT66, Valve Art, Single or Matched: Apex Matched Quad

$159.76