Tube Amp Doctor Kt88 Matched Pair NEW
Price: USD 99.00
Condition: New
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Factory Platinum Matched Quad Genalex Gold Lion KT88 tubes, BRAND NEW in Box !
Price: USD 329.95
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 12.95
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Matched Quad NOS branded “McIntosh” KT88 Tubes, Brand NEW !
Price: USD 379.95
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 12.95
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Brand New In Box Current MatchedQuad (4) Electro-Harmonix KT88 Vacuum Tubes
Price: USD 310.93
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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LINLAI KT88 Tubes, Matched Quad Set *EXCELLENT!
Price: USD 164.95
Condition: Used
Location: 209**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad NOS Svetlana SED Winged C 6550/KT88 tubes
Price: USD 350.00
Condition: Open box
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 15.00
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New Vintage International Servicemaster GE Vacuum Tube KT88 Electron Tube Audio
Price: USD 100.00
Condition: Unspecified
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Platinum Factory Match 1 Quad Genalex GOLD LION KT88 Vacuum tubes 6550
Price: USD 282.75
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad Svetlana SV6550C KT88 6550 tubes Tested NEW
Price: USD 225.00
Condition: Unspecified
Location: 995**
Shipping Type: CALCULATED
Shipping Cost: USD
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MATCHED PAIR - KT88 EH POWER VACUUM TUBES
Price: USD 75.00
Condition: Used
Location: 017**
Shipping Type: CALCULATED
Shipping Cost: USD
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GEC KT88 Vacuum Tube Set of 4 Working Tested
Price: USD 797.00
Condition: Used
Location: 900**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Quad NOS Svetlana SED Winged C 6550/KT88 tubes - 2001 - Test NEW
Price: USD 399.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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Factory Platinum Matched Pair Genalex Gold Lion KT88 tubes, BRAND NEW in Box !
Price: USD 164.95
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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Vacuum Tube Sovtek KT-88 Set of 4 New In Box
Price: USD 330.00
Condition: New
Location: 088**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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JJ KT88 Power Vacuum Tube MATCHED QUAD SET
Price: USD 240.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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FOUR Rare KT88 Gold Lion Genalex England Vintage Tubes
Price: USD 600.00
Condition: Used
Location: 891**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched pair GENALEX KT88 Gold Lion MADE IN ENGLAND / (6550) tested strong
Price: USD 799.00
Condition: Used
Location: 138**
Shipping Type: CALCULATED
Shipping Cost: USD
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1 Vintage Genalex Gold Lion KT88 English Vacuum Tube AT1000 Tested
Price: USD 221.25
Condition: Used
Location: 995**
Shipping Type: CALCULATED
Shipping Cost: USD
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Mullard KT88 Matched Quad set of tubes
Price: USD 300.00
Condition: Used
Location: 841**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1- VINTAGE EARLY GENALEX KT88 GOLD MONARCH TUBE / MADE IN ENGLAND / 6550
Price: USD 299.00
Condition: Used
Location: 907**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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Matched Pair of NOS Audio Classics KT88 Tubes / Grade 9 -- KT
Price: USD 124.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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PSVANE Horizon Series KT88-AT Vacuum Tube Amplifier Matched Pair (2 PACK)
Price: USD 114.99
Condition: New
Location: 925**
Shipping Type: FIXED
Shipping Cost: USD 15.99
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Pair Of Vintage International C KT88 Vacuum Tubes USA TV7 DU Tested Strong!
Price: USD 199.99
Condition: Used
Location: 144**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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KT88-T / Matched Quad / LINLAI / Perfect T Grade / Audio 6550 / Vacuum Tube Amp
Price: USD 299.66
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4 Factory Platinum Matched Genalex Gold Lion KT88 KT-88 6550 For McIntosh ARC +
Price: USD 365.00
Condition: New
Location: 441**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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RCA 6550 / KT88 ADA 8043 3-Hole Vacuum Tube w/ Original Box - Hickok TV7 Tested
Price: USD 63.75
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Vintage GEC England Black Plate KT 88 Tubes Pair X2 Maxi Tested
Price: USD 399.99
Condition: Used
Location: M3B***
Shipping Type: FIXED
Shipping Cost: USD 12.00
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Matched Pair of NOS Audio Classics KT88 Tubes / Grade 6 -- KT
Price: USD 109.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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MATCHED QUAD SHUGUANG KT88 x 4 Gray Plate Power Tubes PLATINUM MATCHED on AT1000
Price: USD 258.22
Condition: Used
Location: 217**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
Price: USD 403.24
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair NOS Svetlana SED Winged C 6550/KT88 tubes - 2001 - Test NEW
Price: USD 199.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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Quad of JJ KT88 Power Vacuum Tube
Price: USD 239.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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KT88 Power Beam Tube-Tested-10800 mMhos-Free Shipping in the US
Price: USD 56.99
Condition: Open box
Location: 928**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad PSVANE Hifi KT88/C Vacuum Tube Replace 6550 KT88 For Audio DIY
Price: USD 173.88
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair of NOS Audio Classics KT88 Tubes -- KT1
Price: USD 109.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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RARE NEW NIB Factory Matched Quad Penta Labs KT88SC-MSQ tubes Perfectly Matched
Price: USD 399.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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(4) GOLD MONARCH GENALEX KT88 Tubes Made In England NOS
Price: USD 2999.00
Condition: Used
Location: 327**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Lot of 4 KT88 STR488 Amplifier Tubes
Price: USD 249.95
Condition: Used
Location: 857**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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TAD Premium Selected Factory Matched Quad Red Base KT88-STR Tubes
Price: USD 289.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Quad of NOS - Audio Research KT88 Tubes -- KT8
Price: USD 219.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair of NOS Audio Classics KT88 Tubes / Grade 10 -- KT
Price: USD 129.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 GENALEX Gold Monarch KT88 / 6550 Tube England - Hickok TV7 Tested 65 NEAR NOS
Price: USD 297.50
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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Matched Pair LINLAI KT88 6550 Perfect HIFI Audio Vacuum Tube Amp Classic Tested
Price: USD 86.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Factory Platinum Matched Pair Svetlana KT88 Tubes, Brand NEW in Box !
Price: USD 139.82
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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2 Matching Trace Elliot KT-88 6550 Tubes Tested TV-7/U at NOS Levels
Price: USD 119.99
Condition: Used
Location: 945**
Shipping Type:
Shipping Cost: USD
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Matched Pair NOS Svetlana SED Winged C 6550/KT88 tubes - 2001 - Test NEW
Price: USD 199.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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2 NOS JJ Electronic KT-88 6550 Tubes Tested TV-7/U
Price: USD 119.99
Condition: Used
Location: 945**
Shipping Type:
Shipping Cost: USD
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Sophia Electric KT88-ST Tube, the best KT88 ever made for Western Amplifier, GEC
Price: USD 199.99
Condition: New
Location: 221**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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Pair of Electro-Harmonix KT88 EH Power Vacuum Tube
Price: USD 137.90
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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1 PC Vacuum tube Shuguang NOS 6P3P Re 6L6GC KT66 6CA7 EL34 6L6 6550 KT88
Price: USD 28.99
Condition: Unspecified
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 9.99
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KT88-D / Matched Quad / LINLAI / Titanium Screen / D-Series / Vacuum Tube 6550
Price: USD 320.78
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 GENALEX Gold Lion KT88 / 6550 Vacuum Tube England - Hickok TV7 Tested 54
Price: USD 212.50
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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Vintage Genalex KT-88 Used Low to Fair
Price: USD 50.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 6.95
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GEC KT88 6550 Black Plate Triple Halo Getter NOS Tested Tightly Matched Quad
Price: USD 1980.00
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 28.65
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JJ Electronics Vacuum Tube - KT88
Price: USD 55.00
Condition: New
Location: 393**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair G.E.C KT88 6550 Genalex Made in UK Test Good Tube
Price: USD 398.45
Condition: Used
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 10.95
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VINTAGE (4) MATCHED GENALEX GOLD LION KT88 TUBES ENGLAND
Price: USD 1395.00
Condition: Used
Location: 770**
Shipping Type: FIXED
Shipping Cost: USD 29.95
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Matched Pair McIntosh KT88 tubes - Russia - Test NEW
Price: USD 149.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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NEW NIB Factory Matched Quad Shuguang Treasures KT88-T tubes - Perfectly Matched
Price: USD 389.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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NOS Shuguang KT88 Tubes MATCHED Pair 6550 6550A Amplitrex Tested L@@K
Price: USD 70.00
Condition: For parts or not working
Location: 190**
Shipping Type: FIXED
Shipping Cost: USD 10.00
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NEW!!! 2pcs Matched PSVANE KT88-T3 ART Series Vacuum Tubes 6550
Price: USD 192.28
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 PC Shuguang NOS Vacuum tube 6P3P replace 6L6GC KT66 6CA7 EL34 6L6 6550 KT88
Price: USD 20.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 9.99
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Sextet of JJ KT88 Power Vacuum Tube
Price: USD 359.70
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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2PCS 807 FU7 5933 To 6L6 KT88 EL34 5881 6550 Vacuum Tube Adapter Converter
Price: USD 32.66
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Genalex Gold Lion KT88 Power Tubes - Matched Quartet Audiophile Guitar Amplifier
Price: USD 350.00
Condition: New
Location: 336**
Shipping Type: FIXED
Shipping Cost: USD 18.00
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KT88 KT100 6L6 6V6 EL34 5881 6550 KT66 6CA7 Tube Bias Cathode Current M2 Tester
Price: USD 14.13
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad of Telefunken Black Diamond KT88
Price: USD 507.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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1 GENALEX Gold Lion KT88 Tube England LOACTOR PIN MISSING - Hickok TV7 Tested 64
Price: USD 191.25
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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807 to KT-88 Converter Adapter - Tube Socket Adapter
Price: USD 25.00
Condition: Used
Location: 142**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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Mullard KT88 Quad set of tubes
Price: USD 275.00
Condition: Used
Location: 800**
Shipping Type: FIXED
Shipping Cost: USD 20.00
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Two 6550 Tubes - Marked "Amperex 6550 Made in USA"
Price: USD 90.00
Condition: Used
Location: 980**
Shipping Type: FIXED
Shipping Cost: USD 16.00
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1 GENALEX Gold Monarch KT88 / 6550 Tube England - Hickok TV7 Tested 62 NEAR NOS
Price: USD 297.50
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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Matched quad Shuguang Treasure 50 years KT88-Z tubes Audio Valve tube KT88 4pcs
Price: USD 369.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 matched pair Shuguang Vacuume tube WEKT88 PLUS KT88 DIY Audio tube KT88
Price: USD 195.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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tested KT88 6550 vacuum tube amp filament transformer 5 5 6 6V many Amps
Price: USD 5.00
Condition: Unspecified
Location: 194**
Shipping Type: FIXED
Shipping Cost: USD 14.99
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Matched 4pcs PSVANE ACME KT88 AKT88 Vacuum Tube Upgrade 6500 KT120 EL34 KT66
Price: USD 445.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair of NOS Audio Classics KT88 Tubes / Grade 8 -- KT
Price: USD 119.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad Shuguang KT88-Z Vacuum Tube Replace 6550 6P3P EL34 6L6 6CA7
Price: USD 279.68
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair of JJ KT88 Power Vacuum Tube
Price: USD 119.90
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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KT88 Genalex Matched Pair
Price: USD 700.00
Condition: Used
Location: 975**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read MoreMatched Quad LINLAI KT88-T Perfect T Grade Audio 6550 Vacuum Tube Amp Classic
Price: USD 299.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 GENALEX Gold Lion KT88 / 6550 Vacuum Tube England - Hickok TV7 Tested 55
Price: USD 212.50
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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2 in 1 Tube amp bias tool Current and Plate Voltage test probe 6l6 el34 kt88
Price: USD 34.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Amphenol NOS octal 8-pin Bakelite power tube sockets w/ears KT88 6L6+
Price: USD 6.00
Condition: Open box
Location: 972**
Shipping Type: CALCULATED
Shipping Cost: USD
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4pcs Matched Shuguang 50years Premium KT88-Z Vacuum Tubes KT88 KT88-T 6550
Price: USD 329.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 16.99
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Kt-88 Vacuum Tube
Price: USD 136.02
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 Matched Pair PSVANE KT88-PT HiFi Series Vacuum Tubes 6550
Price: USD 100.44
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube Tung-Sol KT88 6550 Coke Bottle Made USA Tests Strong Dyna Jet 606 P4
Price: USD 143.10
Condition: Open box
Location: 530**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Matched Octet (8) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
Price: USD 791.03
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad of Electro-Harmonix KT88 EH Power Vacuum Tube
Price: USD 275.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Matched Pair NOS branded “McIntosh” KT88 Tubes, Brand NEW !
Price: USD 189.95
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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New Plate Current Matched Quad (4) Mullard Reissue KT88 / 6550 Vacuum Tubes
Price: USD 325.49
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1PC Shuguang Treasure KT88-Z Vacuum Tubes Replace KT88 KT88-T 6550
Price: USD 65.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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TAD KT88 STR REDBASE PREMIUM
Price: USD 79.95
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Tungsol 6550 KT88 Solid Grey Plate NOS From Military Stock One Tube Price
Price: USD 380.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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2pcs Matched PSVANE KT88-Z TREASURE Collector Edition Vacuum Tubes 6550 KT100
Price: USD 133.40
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Mullard kt88 Matched Pair-Brand New
Price: USD 160.00
Condition: New
Location: 681**
Shipping Type: FIXED
Shipping Cost: USD 10.00
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Brand New Matched Pair (2) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
Price: USD 202.41
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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New Current Matched Pair (2) Psvane KT88-T Classic MKII II Series Vacuum Tubes
Price: USD 231.06
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(4) Apex or TAD Matched JJ Electronic KT88 Power Tubes for Audio Research
Price: USD 289.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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