New Plate Current Matched Quad (4) Svetlana KT88-SV Gold Grid Tubes
Price: USD 330.41
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Current Matched Quad (4) Electro-Harmonix KT90 Vacuum Tubes
Price: USD 364.33
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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New Plate Current Matched Pair (2) Svetlana KT88-SV Gold Grid Tubes
Price: USD 166.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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100 Brand New White Vacuum Tube Boxes - Large Octal - 6550A 6L6GA Type 45 ST
Price: USD 99.99
Condition: Unspecified
Location: 010**
Shipping Type:
Shipping Cost: USD
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Vintage RAM Labs KT88 6550 Vacuum Tubes Matched Pair AT1000 Tested 125% GM
Price: USD 149.00
Condition: Unspecified
Location: 995**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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Brand New Plate Current Tested Sovtek 6550WE Vacuum Tube
Price: USD 71.97
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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807 to KT-88 Converter Adapter - Tube Socket Adapter
Price: USD 18.00
Condition: Used
Location: 142**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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US 10Pcs 8Pin Octal Vacuum Tube Socket For EL34 6V6 KT88 6550 GZ34 Chassis mount
Price: USD 21.39
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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NOS Triple Disc Getter Dyna Company Tungsol USA 6550 Power Tube ~ Grail Vintage
Price: USD 145.00
Condition: Open box
Location: 786**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Sovtek 6550WE Power Vacuum Tube
Price: USD 50.00
Condition: Open box
Location: 217**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Set of 5 Meissner 8 Pin OCTAL Tube Sockets Fit 5U4,6L6,5692,5881,5992,6550,EL34
Price: USD 30.00
Condition: Unspecified
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4 VACUUM TUBE AMP DAMPERS FOR 2A3 6550 5U4G 6AS7G 5Y3GB 807 274B ST SHAPE TUBES
Price: USD 12.49
Condition: Unspecified
Location: 331**
Shipping Type: FIXED
Shipping Cost: USD 3.99
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Tung-Sol 6550 Power Tubes - Matched Quartet
Price: USD 358.79
Condition: New
Location: 468**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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New Current Matched Sextet (6) Psvane KT88-T Classic MKII II Series Vacuum Tubes
Price: USD 687.51
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Telefunken KT88-TK Black Diamond Series Vacuum Tube Matched Pair
Price: USD 300.96
Condition: New
Location: 906**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New In Box Current Matched Octet (8) Electro-Harmonix KT88 Vacuum Tubes
Price: USD 606.41
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair of Sylvania 6550 Tubes Tested and Matched (e)
Price: USD 150.00
Condition: Used
Location: 915**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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HIFI 807 FU7 5933 To 6L6 KT88 EL34 5881 6CA7 6550 Vacuum Tube Adapter Converter
Price: USD 13.33
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair General Electric 6550A tubes Triple getter - USA - Very Strong
Price: USD 219.99
Condition: Used
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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Executone PB 350-08 6550 tube amp Big and Heavy
Price: USD 250.00
Condition: For parts or not working
Location: 934**
Shipping Type: CALCULATED
Shipping Cost: USD
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KT88 Genalex One Tube Original Genalex / Genelex *!Shorted!* Gas Leak / 6550
Price: USD 15.00
Condition: For parts or not working
Location: 207**
Shipping Type: CALCULATED
Shipping Cost: USD
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4Pcs 8Pin Octal Socket Saver for EL34 KT88 6550 6L6 6CA7 5U4G 5Z3 274B 6F8G USA
Price: USD 63.15
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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10PCS K8A 8Pin Tube Socket For KT88 EL34 6550 6CA7 6SN7 Valve Base Audio HIFI
Price: USD 19.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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2pcs matched NEW Audio Valve Vacuum Tube Russia TUNG-SOL 6550
Price: USD 152.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6550 Tungsol Metal Base made in U.S.A Amplitrex tested 1 Pc
Price: USD 110.00
Condition: Used
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4Pcs 8Pin Octal Socket Saver for EL34 KT88 6550 6L6 6CA7 5U4G 5Z3 274B 6F8G USA
Price: USD 62.89
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Current Tested Electro-Harmonix 6550 Vacuum Tube
Price: USD 71.97
Condition: New
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6550C Svetlana =C= 6550 Tube
Price: USD 95.00
Condition: Open box
Location: 701**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes
Price: USD 150.77
Condition: New
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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PSVANE ART KT88-TIII KT88-T3 Vacuum Tubes For KT88,6550 Hifi Audio DIY New Pair
Price: USD 219.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Current Tested Electro-Harmonix 6550 Vacuum Tube
Price: USD 75.42
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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KT88C Vacuum Tube Valve 4PCS Psvane Amplifier Replace 6550 KT88 Electronic Tube
Price: USD 180.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 10.00
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Closely Matched Pair Electro-Harmonix KT88 6550 NOS NIB Same Date Tested Tube
Price: USD 114.45
Condition: New
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 9.95
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Vintage General Electric GE 6550 power Tube- Tested Good - With Box
Price: USD 75.00
Condition: Used
Location: 532**
Shipping Type: FIXED
Shipping Cost: USD 15.00
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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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RCA 6550 Vintage Coke Bottle Three Hole Vacuum Tube Röhren
Price: USD 299.00
Condition: Used
Location: *****
Shipping Type: FIXED
Shipping Cost: USD 19.00
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10PCS 8Pin Tube Socket Bakelite For 6550 EL34 KT88 6SN7 6CA7 274B PCB Mount
Price: USD 17.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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20X 8Pin Octal Bakelite Tube Socket for KT88 EL34 6550 GZ34 Bottom Chassis Mount
Price: USD 32.89
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Gold Lion KT88 vacuum tube audio power output tube Pair (2pcs)
Price: USD 179.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 18.00
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KT88-TIIVacuum Tube Valve 4PC Psvane Amplifier Replace 6550 KT88 Electronic Tube
Price: USD 330.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 10.00
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1PC NEW Audio Valve Vacuum Russia SVETLANA KT88 Replace KT120 6550
Price: USD 75.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4pcs Octal socket, 8pin tube socket, for KT88, EL34
Price: USD 9.90
Condition: Unspecified
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Groove Tubes Label TUNG SOL 6550/KT88 3 Hole Black Plates Maxi Matched Tested
Price: USD 119.95
Condition: Used
Location: 726**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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1 Matched quad PSVANE UK-KT88/6550/KT120 Audio Valve Vacuum Tube 4pcs UK KT88
Price: USD 232.99
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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NOS GE 6550A Power Vacuum Tube Amplitrex Tested 93% Gm
Price: USD 85.00
Condition: Unspecified
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Vacuum Tube, KT88-STR, Redbase, Tube Amp Doctor, Matched Octet, Power
Price: USD 567.60
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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RCA - Sylvania 6550 Vacuum Tube / KT4
Price: USD 69.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Lot of one 6550C Svetlana Winged =C= 6550 Valves Tubes NOS
Price: USD 135.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Svetlana 6550c Power Tubes - Matched Set
Price: USD 99.00
Condition: Used
Location: 110**
Shipping Type: CALCULATED
Shipping Cost: USD
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1 X Genalex Gold Lion KT88 tube, BRAND NEW in Box !
Price: USD 78.66
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 7.95
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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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RCA - Sylvania 6550 Vacuum Tube / KT2
Price: USD 69.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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Vacuum Tube, 6550, JJ Electronics, Apex Matched Pair, Power
Price: USD 116.90
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Quad PSVANE KT88-Z KT88 Vacuum Tube Replace KT120 6550 KT90 KT66 KT100
Price: USD 315.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More25 Brand New White Vacuum Tube Boxes - Large Octal - 6550A 6L6GA Type 45 ST
Price: USD 24.99
Condition: Unspecified
Location: 010**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Pair NOS branded “McIntosh” KT88 Tubes, Brand NEW !
Price: USD 170.96
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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Sextet of Electro-Harmonix 6550 EH Power Vacuum Tube
Price: USD 407.70
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Pair of Electro-Harmonix KT88 EH Power Vacuum Tube
Price: USD 95.99
Condition: Open box
Location: 282**
Shipping Type: CALCULATED
Shipping Cost: USD
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8 pcs New in original box RCA 6550 audio amplifier tube
Price: USD 2499.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 60.00
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Mapleshade SilClear Tube Treatment for 12AX7/6SN7/EL34/6550/6922/6DJ8/12AU7/KT88
Price: USD 52.49
Condition: Unspecified
Location: 331**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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TAD KT88 STR REDBASE PREMIUM
Price: USD 159.95
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Pair, Power
Price: USD 147.00
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sovtek 6550WE 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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Octet of Tung-Sol 6550 New Production Power Vacuum Tube
Price: USD 583.60
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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New 2x Electro Harmonix KT88 | Matched Pair / Duet / Two Tubes | Free Ship
Price: USD 134.99
Condition: New
Location: 277**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube, 6550, JJ Electronics, Apex Burned-In Matched Quad, Power
Price: USD 239.60
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Vintage General Electric GE 6550 power Tube- Tested Good - With Box
Price: USD 79.00
Condition: Used
Location: 532**
Shipping Type: FIXED
Shipping Cost: USD 15.00
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General electric GE 6550A Vacuum tube Set of 4 Tested Unused Japan
Price: USD 659.99
Condition: Open box
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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McIntosh KT88 tube - Russia - Very Strong
Price: USD 69.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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(1) Mint NOS 3-Hole Tungsol Made RCA Logo 6550 /8452 Audio Radio Tube(LN61T)
Price: USD 149.99
Condition: Open box
Location: 585**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Linlai KT88 factory matched pair
Price: USD 76.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 19.00
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Strong Philco 70L7GT 6550gm 100% on Diode Black Glass/Plates Serious Tubes T35
Price: USD 5.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
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New in box, Sovek, KT88, Vacuum tube for guitar amplifier
Price: USD 70.00
Condition: New
Location: 481**
Shipping Type: CALCULATED
Shipping Cost: USD
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Brand New In Box Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tube - Guaranteed
Price: USD 98.38
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4pcs ShuGuang KT88 -98 Vacuum Valve Tube 6550 Amplifier Matched Quad New Version
Price: USD 175.77
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad of Tung-Sol 6550 New Production Power Vacuum Tube
Price: USD 291.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Vacuum Tube, 6550, JJ Electronics, Apex Matched Quad, Power
Price: USD 233.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sylvania 6550 Vacuum Tube / No Guide Pin / KT1
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(30) TUBE BOXES * 6L6 * 12AX7 * EL84 * 6V6 * 6550
Price: USD 21.80
Condition: New
Location: 033**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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TS 6550 Coke Bottle Style Tubes (2) Matching Pair & Date Codes 6405-3
Price: USD 349.99
Condition: Used
Location: 940**
Shipping Type: CALCULATED
Shipping Cost: USD
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Tung-Sol 6550 3 Hole Strong Matched Pair Vintage Vacuum Tubes
Price: USD 200.00
Condition: Used
Location: 800**
Shipping Type: CALCULATED
Shipping Cost: USD
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2pcs ShuGuang 6550B Vacuum Valve Tube KT88 Amplifier Matched Pair New Version
Price: USD 87.77
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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KT 88 / 6550 GEC , one used pair
Price: USD 253.38
Condition: Used
Location: 4***
Shipping Type: CALCULATED
Shipping Cost: USD
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Ruby 6550 ASTR Vacuum Tube And An ECCA Tube Untested
Price: USD 49.95
Condition: Used
Location: 776**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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NOS RCA 6550 DUAL DISC GETTER POWER VACUUM TUBE AMPLITREX TESTED 92%gm
Price: USD 80.00
Condition: Unspecified
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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Dual Bias testing probe tool for tube amplifier biasing adjustment MADE IN USA
Price: USD 59.95
Condition: New
Location: 125**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Pair of Used Tested 6550A Vacuum Tubes GE/MPD. Test 64 & 62 on TV-7D/U.
Price: USD 198.00
Condition: Used
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(6) NOS VINTAGE AMPHENOL OCTAL VACUUM TUBE SOCKET 8-PIN 6V6 6SN7 6L6
Price: USD 24.99
Condition: Open box
Location: 666**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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NOS Rivera GE 6550A Tubes
Price: USD 225.00
Condition: New
Location: 333**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube, 6550, Tung-Sol Reissue, Apex Matched Quad, Power
Price: USD 294.00
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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UTC Type CGU-13 Audio Output Transformer, 100 Watts, for Push/Pull 6550 Tubes
Price: USD 150.00
Condition: Used
Location: 730**
Shipping Type: CALCULATED
Shipping Cost: USD
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6550 JJ ELECTRONICS AMPLITREX Platinum Matched Pair Tubes (2 TUBES) NEW IN BOX
Price: USD 123.04
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 20.58
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1 GENALEX Gold Lion KT88 Tube England LOACTOR PIN MISSING - Hickok TV7 Tested 64
Price: USD 225.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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Vacuum Tube, KT88, JJ Electronics, Apex Matched Quad, Power
Price: USD 245.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sovtek 6550WD Used
Price: USD 49.00
Condition: Used
Location: 946**
Shipping Type: CALCULATED
Shipping Cost: USD
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2PCS 8Pin Octal Ceramic Tube Socket For 6SN7 KT88 EL34 6L6 6550 6SL7 PCB Mount
Price: USD 3.20
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 4.99
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Brand New Current Matched Pair (2) Electro-Harmonix KT90 Vacuum Tubes
Price: USD 182.96
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Genalex Gold Lion KT88 Power Tube (3-pack) Bundle
Price: USD 234.57
Condition: New
Location: 468**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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