RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED QUAD
Price: USD 224.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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Brand New Matched Pair (2) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
Price: USD 199.01
Condition: New
Location: 010**
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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New Svetlana 6550 / 6550C Vacuum Tube
Price: USD 76.78
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Svetlana 6550C Vacuum Tube NOS
Price: USD 54.98
Condition: New
Location: 277**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair Of Vintage RCA 6550 Vacuum Tubes Matched Codes TV7 DU Tested Strong!
Price: USD 159.99
Condition: Used
Location: 144**
Shipping Type: FIXED
Shipping Cost: USD 15.00
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Sylvania 6550 Vacuum Tube / KT3
Price: USD 69.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Tung Sol 6550 Vacuum Tube / No Guide Pin / KT4
Price: USD 89.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Baldwin - Tung Sol 6550 Tube / Solid Gray Plates / KT2
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Tung-Sol 6550 Vacuum Tube pair (2ct) Vintage Coke Bottle Russia Test Good
Price: USD 89.00
Condition: Used
Location: 232**
Shipping Type: CALCULATED
Shipping Cost: USD
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GE 6550 Vacuum tubes "pair"
Price: USD 50.00
Condition: Used
Location: 115**
Shipping Type:
Shipping Cost: USD
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RCA 6550 3-Hole Rectifier Vacuum Tube
Price: USD 30.00
Condition: Used
Location: 953**
Shipping Type: FIXED
Shipping Cost: USD 5.50
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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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Brand New Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tube 90 Day Warranty SH
Price: USD 73.27
Condition: New
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Svetlana 6550C Vacuum Tubes NOS/NIB Tested and Matched Pair
Price: USD 139.00
Condition: New
Location: 355**
Shipping Type: CALCULATED
Shipping Cost: USD
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Matched Quad Tung Sol 6550 Tubes / KT1
Price: USD 495.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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RCA - Tung Sol 6550 Vacuum Tube / KT3
Price: USD 109.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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QUAD / 4 GE General Electric 6550A / 6550 Vacuum Tubes & Boxes TV-7 Tested
Price: USD 265.20
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 18.00
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SVETLANA ELECTRON 6550 6550C VACUUM TUBE RUSSIA
Price: USD 35.19
Condition: Used
Location: 952**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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2 Tung Sol 6550 Tubes / 1 Missing Guide Pin / KT8
Price: USD 195.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair Tung Sol 6550 Tubes / KT6
Price: USD 249.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair of 2 Audio Matched New Tung-Sol 6550 Vacuum Amplifier Amp Tubes Slovenia
Price: USD 99.99
Condition: New
Location: G5Y***
Shipping Type: FIXED
Shipping Cost: USD 15.00
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Tung-Sol 6550 New Production Power Vacuum Tube
Price: USD 72.95
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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SVETLANA 6550-C NOS
Price: USD 45.00
Condition: Open box
Location: 026**
Shipping Type: CALCULATED
Shipping Cost: USD
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L 6550 Vacuum Tube Used - In Sovtek Box
Price: USD 14.00
Condition: Unspecified
Location: 532**
Shipping Type: FIXED
Shipping Cost: USD 5.98
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2 Tung Sol 6550 Vacuum Tubes / KT9
Price: USD 219.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vintage New Old Stock RCA 6550 Vacuum Tube TV7 Tested
Price: USD 75.00
Condition: New
Location: 144**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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Tung Sol 6550 Tube / Solid Gray Plates / No Guide Pin / KT1
Price: USD 119.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New In Box Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tube - Guaranteed
Price: USD 93.88
Condition: New
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched pair 6550A KT88 6550 vacuum tube electron tube audio power output tube
Price: USD 89.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 18.00
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Brand New Plate Current Tested Mullard Reissue KT88 / 6550 Vacuum Tube
Price: USD 80.19
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Brand New Factory Matched Quad (4) Tung-Sol Reissue KT120 / KT-120 Vacuum Tubes
Price: USD 370.28
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Sylvania - Tung Sol 6550 Vacuum Tube / KT5
Price: USD 109.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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JJ 6550 Power Vacuum Tube MATCHED PAIR
Price: USD 115.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Quad Vintage GE 6550A Vacuum Tubes
Price: USD 259.00
Condition: Used
Location: 911**
Shipping Type: CALCULATED
Shipping Cost: USD
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GE 6550 Vacuum tubes..............Matched pair
Price: USD 124.95
Condition: Used
Location: 440**
Shipping Type:
Shipping Cost: USD
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Quad of JJ 6550 Power Vacuum Tube
Price: USD 227.80
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
Price: USD 396.46
Condition: New
Location: 010**
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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Electro Harmonix 6550EH NEW Matched Pair of Vacuum Tubes TESTED
Price: USD 85.00
Condition: Open box
Location: 531**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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 RCA - Tung Sol 6550 Tubes / No Guide Pins / KT4
Price: USD 195.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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Factory Matched Pair Tung Sol 6550 tubes, Brand New in Box TESTED
Price: USD 120.00
Condition: New
Location: 531**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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JJ 6550 Power Vacuum Tube
Price: USD 56.95
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Tung-Sol 6550 Audio Vacuum Tube - 1968 Three Hole Plate - Made in the USA
Price: USD 60.00
Condition: Used
Location: 462**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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NOS Tung Sol 6550 Grey 3 Hole Plate OOO Getter Amplitrex Tested
Price: USD 125.00
Condition: Used
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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Matched Pair of Sylvania 6550 Vacuum Tubes / KT3
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair Sylvania - Tung Sol 6550 Tubes / KT2
Price: USD 249.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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GE 6550 Vacuum tubes.... Groove Tube Label..........Matched pair
Price: USD 124.95
Condition: Used
Location: 440**
Shipping Type:
Shipping Cost: USD
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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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RCA 6550 Tube- Tested 106% 11,720 Micromhos 138.6ma NOS- New in Box
Price: USD 80.00
Condition: New
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD
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1960’s RCA 6550 by Tung-Sol Vacuum Tube Triple Hole Vintage USA Made Kt88 Equiv.
Price: USD 149.99
Condition: Used
Location: 809**
Shipping Type: CALCULATED
Shipping Cost: USD
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NOS RCA 6550 Power Amplifier VACUUM TUBE New in Box
Price: USD 100.50
Condition: Open box
Location: 058**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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Matched Pair Tung Sol 6550 Tubes / KT3
Price: USD 249.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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KT88 6550 / Matched Pair / LINLAI / Perfect HIFI Audio / Vacuum Tube Amp Classic
Price: USD 86.66
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair of Sylvania 6550 Vacuum Tubes / KT4
Price: USD 149.95
Condition: Unspecified
Location: 339**
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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Matched Pair of Sylvania 6550 Vacuum Tubes / KT1
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair Tung Sol 6550 Tubes / KT7
Price: USD 249.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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RCA 6550 Vacuum tube
Price: USD 54.95
Condition: Used
Location: 440**
Shipping Type:
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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Matched Pair of Sylvania 6550 Vacuum Tubes / KT2
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair of Sylvania 6550 Vacuum Tubes / KT5
Price: USD 149.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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MATCHED PAIR OF AUDIO CLASSICS 6550 STOCK VACUUM TUBES (BJR1011)
Price: USD 99.99
Condition: Used
Location: 600**
Shipping Type: CALCULATED
Shipping Cost: USD
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4 Quad Four Upscale Audio Matched New Tung-Sol 6550 Vacuum Amplifier Amp Tubes
Price: USD 249.95
Condition: New
Location: 681**
Shipping Type: CALCULATED
Shipping Cost: USD
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Vintage Amperex England 6550 Vacuum Tube TV7DU Tested New Old Stock
Price: USD 119.99
Condition: Used
Location: 144**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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2PCS 807 FU7 5933 To 6L6 KT88 EL34 5881 6550 Vacuum Tube Adapter Converter
Price: USD 29.66
Condition: New
Location: 085**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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10 Brand New White Vacuum Tube Boxes - Large Octal - 6550A 6L6GA Type 45 ST
Price: USD 9.99
Condition: Unspecified
Location: 010**
Shipping Type: CALCULATED
Shipping Cost: USD
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vintage GE 6550 Vacuum tubes....Matched pair... NOS ....Original Boxes
Price: USD 249.95
Condition: Used
Location: 440**
Shipping Type:
Shipping Cost: USD
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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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Matched Pair Made in Russia Tung-Sol 6550 Tested Strong
Price: USD 80.00
Condition: Used
Location: 928**
Shipping Type: CALCULATED
Shipping Cost: USD
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Brand New Plate Current Matched Quad 4x Sovtek 6550 Vacuum Tubes
Price: USD 249.00
Condition: New
Location: 932**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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GE 6550A Tubes Pair General Electric Vacuum tube Test Completed
Price: USD 229.99
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Svetlana 6550C Vacuum Tube Matching Set.
Price: USD 179.00
Condition: New
Location: 701**
Shipping Type: FIXED
Shipping Cost: USD 18.00
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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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GE General Electric 6550 / 6550A Vacuum Tube - Hickok TV7 Tested 58.6
Price: USD 59.50
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 6.85
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Matched Quad Sylvania 6550 Vacuum Tubes / KT4
Price: USD 295.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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NOS NIB TungSol 6550 Vacuum Tube Branded For RCA
Price: USD 174.99
Condition: New
Location: 328**
Shipping Type: FIXED
Shipping Cost: USD 12.00
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Closely Matched Pair GE 6550A Tested Strong Tube
Price: USD 168.45
Condition: Used
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 9.95
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Matched Pair GE - Tung Sol 6550 Tubes / KT5
Price: USD 249.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6550 Vacuum Tube -NOS/NIB- From SovTek !!!
Price: USD 19.95
Condition: Open box
Location: 554**
Shipping Type: CALCULATED
Shipping Cost: USD
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Brand New Factory Matched Quad 4x Sovtek 6550WE Vacuum Tubes
Price: USD 245.95
Condition: New
Location: 441**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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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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4 RCA - Sylvania 6550 Tubes / 78.30 / KT3
Price: USD 279.95
Condition: Unspecified
Location: 339**
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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2 - Tung Sol 6550 Tubes / Solid Gray Plates / KT1
Price: USD 295.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Lot of 3 Vintage Ruby Vacuum Tube 6550A-R Made in Russia Open Box Untested
Price: USD 119.99
Condition: Open box
Location: 112**
Shipping Type: FIXED
Shipping Cost: USD 7.99
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PSVANE Horizon Series 6550-AT Vacuum Tube Amplifier Matched Pair (2 Pack)
Price: USD 104.99
Condition: New
Location: 925**
Shipping Type: FIXED
Shipping Cost: USD 15.99
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JJ 6550 Ruby Power Vacuum Tube MATCHED PAIR
Price: USD 99.95
Condition: New
Location: 207**
Shipping Type: CALCULATED
Shipping Cost: USD
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GENERAL ELECTRIC 6550 TUBE / CHECKED GRID LEAKAGE / EMISSION TEST
Price: USD 80.00
Condition: New
Location: 880**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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Matched Quad Philips ECG - Sylvania 6550 Tubes / KT1
Price: USD 295.00
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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EMPTY WHITE VACUUM TUBE BOXES Extra Large Octal 6550 or "G" series & Similar
Price: USD 30.95
Condition: New
Location: 923**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad Philips ECG - Sylvania 6550 Tubes / KT2
Price: USD 295.00
Condition: Unspecified
Location: 339**
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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RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED SEXTET
Price: USD 339.00
Condition: New
Location: 949**
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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