- Matched quad , New production Russia EH Electro-harmonix 6550 / KT88 tubes #5
Price: USD 195.00
Condition: New
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 21.00
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Factory Platinum Matched Quad Genalex Gold Lion KT88 tubes, BRAND NEW in Box !
Price: USD 296.96
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 12.95
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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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New 4x Genalex Gold Lion KT88 | Matched Quad / Quartet / Four Tubes | Free Ship
Price: USD 309.89
Condition: New
Location: 277**
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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Used Current Matched Quad (4) Psvane KT88-T Classic MKII II Series Vacuum Tubes
Price: USD 285.00
Condition: Used
Location: 115**
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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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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Matched Quad NOS branded “McIntosh” KT88 Tubes, Brand NEW !
Price: USD 341.96
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 12.95
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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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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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RARE NEW NIB Factory Matched Quad Penta Labs KT88SC-MSQ tubes Perfectly Matched
Price: USD 359.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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A Matched quad New production Russia EH Electro-harmonix 6550 / KT88 tubes #4
Price: USD 195.00
Condition: New
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 21.00
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Matched quad New production Russia Tung Sol 6550 / KT88 tubes #1
Price: USD 250.00
Condition: New
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 21.00
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New 4x Electro Harmonix KT88 | Matched Quad / Quartet / Four Tubes | Free Ship
Price: USD 259.99
Condition: New
Location: 277**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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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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NEW NIB Factory Matched Quad Shuguang Treasures KT88-T tubes - Perfectly Matched
Price: USD 350.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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Platinum Factory Match 1 Quad Genalex GOLD LION KT88 Vacuum tubes 6550
Price: USD 435.00
Condition: New
Location:
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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KT88-D / Matched Quad / LINLAI / Titanium Screen / D-Series / Vacuum Tube 6550
Price: USD 337.66
Condition: New
Location:
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 189.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(Sweet Edition II) Platinum Matched Quad (4) Mullard Reissue KT88 KT-88 tubes
Price: USD 292.95
Condition: New
Location:
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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(4) Factory Platinum Matched Genalex Gold Lion KT88 6550 For McIntosh ARC +
Price: USD 390.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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Factory Match QUAD Genalex GOLD LION KT-66 KT66 Vacuum tubes
Price: USD 240.87
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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A Matched quad New production Russia Tung Sol 6550 / KT88 tubes #2
Price: USD 250.00
Condition: New
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 21.00
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Brand New Plate Current Matched Quad (4) Sovtek 6550WE Vacuum Tubes
Price: USD 305.12
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 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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Sophia Electric KT88-ST Tube, the best KT88 ever made for Western Amplifier, GEC
Price: USD 199.99
Condition: New
Location: 221**
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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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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Matched Quad LINLAI KT88 6550 Perfect HIFI Audio Vacuum Tube Amp Classic Tested
Price: USD 171.26
Condition: Brand New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube, KT88, Genalex Gold Lion, Matched Quad, Power
Price: USD 370.00
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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matched Quad PSVANE KT88-T Mark II classic grade Tubes replace CV5220 6550 KT88
Price: USD 339.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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12E1 CV345 KT88 STC Audio Amplifier Tubes Amplitrex tested 1 Match Quad 4 Pcs
Price: USD 238.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Vacuum Tube, KT88, Mullard Reissue, Matched Quad, Power
Price: USD 295.40
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Vacuum Tube, KT88, Electro-Harmonix, Matched Quad, Power
Price: USD 281.40
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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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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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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Vacuum Tube, KT88C, Classic Series, Psvane, Apex Matched Quad, Power
Price: USD 201.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More(Sweet Edition II) Platinum Matched Quad (4) Mullard Reissue KT88 KT-88 tubes
Price: USD 380.37
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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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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Shuguang Treasure KT88-Z Vacuum Tubes Matched Pair Replace KT88 CV5220 6550
Price: USD 169.99
Condition: New
Location:
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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SVETLANA KT88 MATCHED QUAD NEW, RARE SED WINGED =C= St. Petersburg AUTHENTIC NOS
Price: USD 2570.00
Condition: New
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad PSVANE KT88-Z KT88 Vacuum Tube Replace KT120 6550 KT90 KT66 KT100
Price: USD 289.80
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad of Genalex - Gold Lion KT88 Power Vacuum Tube
Price: USD 359.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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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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Vacuum Tube, KT88, JJ Electronics, Blue Glass, Apex Matched Quad, Power
Price: USD 293.40
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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Matched Quad of NOS - Audio Research KT88 Tubes -- KT7
Price: USD 219.95
Condition: Open box
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad Shuguang KT88-T Vacuum Tube Valve Natural Sound Audio Amplifier DIY
Price: USD 400.20
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad ShuGuang KT88 -98 Vacuum Valve Tube 6550 Amplifier HIFI New Version
Price: USD 175.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube Display Stand Holder Quad 4x for 9 pin socket: EL34, 6l6, KT88, 51mm
Price: USD 14.95
Condition: New
Location: 301**
Shipping Type: FIXED
Shipping Cost: USD 1.95
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FACTORY MATCHED QUAD OF NOS NIB GOLD LION KT88 MADE IN RUSSIA
Price: USD 630.00
Condition: New
Location: 31***
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More(Sweet version) Factory Platinum Match 1 Quad Genalex KT-88 tubes 6550 KT88
Price: USD 468.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read MoreMatched Quad LINLAI KT88-D Perfect Titanium Screen D-Series Vacuum Tube Amp 6550
Price: USD 321.09
Condition: New
Location:
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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Matched Quad LINLAI KT88-T Perfect T Grade Audio 6550 Vacuum Tube Amp Classic
Price: USD 296.93
Condition: Brand New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad LINLAI KT88 6550 Perfect HIFI Audio Vacuum Tube Amp Classic Tested
Price: USD 172.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More(Elegant edition) Factory Platinum Match Quad Genalex GOLD LION KT88 tubes 6550
Price: USD 510.57
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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New Current Matched Quad (4) Psvane KT88-T Classic MKII II Series Vacuum Tubes
Price: USD 460.54
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1Quad Shuguang WEKT88 Vacuum Tube Replace 6550 KT88 Western Electric Replica DIY
Price: USD 458.16
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad LINLAI KT88-D Perfect Titanium Screen D-Series Vacuum Tube Amp 6550
Price: USD 334.71
Condition: Brand New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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pair tube amp power transformers 5 6.3 600-700VCT for 150 200 300W monoblocks
Price: USD 119.99
Condition: Used
Location: 194**
Shipping Type: FIXED
Shipping Cost: USD 16.99
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SVETLANA KT88 MATCHED QUAD NEW, RARE SED WINGED =C= St. Petersburg AUTHENTIC NOS
Price: USD 1569.00
Condition: New
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Plate Current Matched Octet (8) Svetlana KT88-SV Gold Grid Tubes
Price: USD 645.39
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read MoreVacuum Tube, KT88, Svetlana, Matched Quad, Power
Price: USD 300.20
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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KT88 BLUE version KT88 JJ Electronic Valve New 4 Tubes Quad Matched DHL EXPRESS
Price: USD 269.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad KT88 6550 Made In China Slightly Used Like NOS Matched
Price: USD 299.00
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 68.75
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Vacuum Tube, KT88-98, Shuguang, Apex Matched Quad, Power
Price: USD 201.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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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Matched 4pcs PSVANE ACME KT88 AKT88 Vacuum Tube Upgrade 6500 KT120 EL34 KT66
Price: USD 409.40
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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McIntosh KT88 Vacuum Tube - Made in Russia - Pair - Vintage
Price: USD 254.99
Condition: Used
Location: 110**
Shipping Type: FIXED
Shipping Cost: USD 19.99
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1 Matched Pair PSVANE KT88-T Mark II Classic Grade Vacuum Tubes KT88
Price: USD 155.10
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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el153 Telefunken tube quad power tubes test strong 1950's OO getter (~kt88)
Price: USD 499.00
Condition: Used
Location: 37***
Shipping Type: FIXED
Shipping Cost: USD 50.00
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Current & Gm Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tu...
Price: USD 398.46
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power
Price: USD 275.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Vacuum Tube, KT120, Tung-Sol Reissue, Matched Quad, Power
Price: USD 331.80
Condition: New
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
Read More(Sweet Sound Edition) Factory Match 1 Quad Genalex GOLD LION KT88 tubes 6550
Price: USD 599.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
Read More(Sweet Edition) Factory Match 8pcs Genalex GOLD LION KT88 Vacuum tubes 6550
Price: USD 1159.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Factory Platinum Match QUAD ELECTRO-HARMONIX KT-88
Price: USD 268.77
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Factory Matched QUAD Svetlana El34 - For Tube Amplifiers
Price: USD 215.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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KR AUDIO KR-KT88MP Vacuum Tube Pair Very Good from JP
Price: USD 415.78
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Genelax kt88 Tube
Price: USD 165.99
Condition: Used
Location: 900**
Shipping Type: CALCULATED
Shipping Cost: USD
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universal quad tube amp power transformer 5 6.3 600VCT 6V6 EL84 6L6 EL34
Price: USD 69.99
Condition: Unspecified
Location: 194**
Shipping Type: FIXED
Shipping Cost: USD 14.99
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KT88 Genalex Matched Pair
Price: USD 700.00
Condition: Used
Location: 975**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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NEW!!! 1 Matched Pair PSVANE KT88-T3 ART Series Vacuum Tubes 6550
Price: USD 196.46
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 Matched Pair PSVANE KT88-T Mark II Premium Grade Vacuum Tubes KT88
Price: USD 215.26
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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KR AUDIO KR-KT88MP Vacuum Tube Pair USED JP
Price: USD 362.99
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Sextet of Electro-Harmonix KT88 EH Power Vacuum Tube
Price: USD 413.70
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Matched Pair PSVANE Vacuum Tubes KT88-T Mark II Premium Grade
Price: USD 186.00
Condition: Unspecified
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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12E1 CV345 KT88 STC Audio Amplifier Tubes Amplitrex tested 1MQ 4 Pcs
Price: USD 238.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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