1 Tung-Sol 6550 Black Plate tube USA
Price: USD 299.00
Condition: Used
Location: 757**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1961 Tung-Sol 6550 Power Tubes (grey plate) x3 of them
Price: USD 225.00
Condition: Used
Location: 913**
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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Tung-Sol 6550 Electron Tubes, matching pair
Price: USD 150.00
Condition: Used
Location: 152**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Svetlana 6550 Winged C Tubes matched pair (2ct) Vintage Bottle Russia Test Good
Price: USD 79.00
Condition: Used
Location: 232**
Shipping Type: CALCULATED
Shipping Cost: USD
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Quad Vintage GE 6550A Vacuum Tubes
Price: USD 200.00
Condition: Used
Location: 911**
Shipping Type: CALCULATED
Shipping Cost: USD
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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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Factory Matched Pair Tung Sol 6550 tubes, Brand New in Box TESTED
Price: USD 130.00
Condition: New
Location: 531**
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 312.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 18.00
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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 Tube
Price: USD 130.00
Condition: New
Location: 430**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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RAM 6550B Quad. Vintage Russian Audiophile Tubes. Tested on TV7. (3 are matched)
Price: USD 70.00
Condition: Used
Location: 852**
Shipping Type: CALCULATED
Shipping Cost: USD
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Tung-Sol 6550 vacuum tube audio power output tube Pair (2pcs)
Price: USD 169.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 18.00
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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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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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RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED OCTET
Price: USD 450.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1997 International Servicemaster 6550 Russia Matched Pair Output Tubes
Price: USD 60.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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Quad Set Used 6550 B Made in Russia Tested Strong
Price: USD 215.07
Condition: Used
Location: V3C***
Shipping Type: CALCULATED
Shipping Cost: USD 7.04
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Vintage 1965 Tung-Sol 6550 Vacuum Tube 3 Hole Grey Plate 000 Getters TESTED NOS
Price: USD 179.00
Condition: Used
Location: 355**
Shipping Type: FIXED
Shipping Cost: USD 5.79
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Matched Pair Made in Russia Tung-Sol 6550 Tested Strong
Price: USD 75.00
Condition: Used
Location: 928**
Shipping Type: CALCULATED
Shipping Cost: USD
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Tung-Sol 6550 Tube Tested TV7/A
Price: USD 140.00
Condition: Used
Location: 436**
Shipping Type:
Shipping Cost: USD
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NOS NIB TUNG-SOL 6550 Output Tube 3-Hole GE
Price: USD 125.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 5.95
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Closely Matched Pair of GE 6550A NOS NIB Vacuum Tubes
Price: USD 300.00
Condition: New
Location: 975**
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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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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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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GE 6550 Vacuum tubes..............Matched pair
Price: USD 124.95
Condition: Used
Location: 440**
Shipping Type:
Shipping Cost: USD
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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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6550C Svetlana Winged =C= 6550 Tube
Price: USD 131.00
Condition: New
Location: 701**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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(2) 100% Testing Mint Condition Svetlana 6550 C Guitar Audio Tubes
Price: USD 100.00
Condition: Open box
Location: 973**
Shipping Type: CALCULATED
Shipping Cost: USD
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One Svetlana 6550 Tube
Price: USD 50.00
Condition: Used
Location: 980**
Shipping Type: CALCULATED
Shipping Cost: USD
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Pair Fender Groove Tubes GT-6550 Test Strong
Price: USD 59.95
Condition: Used
Location: 191**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Quad Svetlana Winged =c= 6550 C Tube Tested Strong #31
Price: USD 350.00
Condition: Used
Location: 980**
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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Matched Pair NOS/NIB General Electric 6550A tubes Triple getter USA - Tests NOS
Price: USD 299.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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SVETLANA ELECTRON 6550 6550C VACUUM TUBE RUSSIA
Price: USD 39.99
Condition: Used
Location: 952**
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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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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RUBY 6550ASTR Power Vacuum Tube MATCHED PAIR SHUGUANG
Price: USD 112.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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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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PAIR Svetlana 6550C & Winged C OUTPUT Tubes - TESTED STRONG on Hickok
Price: USD 119.50
Condition: Used
Location: 342**
Shipping Type: FIXED
Shipping Cost: USD 11.90
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Tung Sol 6550 Tube / Solid Gray Plates / Missing Guide Pin / 3226122-3 / KT
Price: USD 119.95
Condition: Unspecified
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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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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RUBY KT88STR Power Vacuum Tube MATCHED QUAD
Price: USD 205.00
Condition: New
Location: 949**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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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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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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New in Box: ShuGuang 6550A-98 Electron Power Tubes
Price: USD 37.50
Condition: New
Location: 467**
Shipping Type: FIXED
Shipping Cost: USD 5.50
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One quad of Tung-Sol made 6550 electronic tubes
Price: USD 1040.00
Condition: Used
Location: 112**
Shipping Type: CALCULATED
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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Tung Sol / Tung-Sol 6550 Tube Made in USA #2
Price: USD 150.00
Condition: Used
Location: 980**
Shipping Type: FIXED
Shipping Cost: USD 16.00
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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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RCA 6550 Audio Pentode NOS Clean! Tests GOOD! BlkPlates! 3-Getter! 7430 code
Price: USD 179.99
Condition: Open box
Location: 186**
Shipping Type:
Shipping Cost: USD
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Tung Sol 6550 Tube / Missing Guide Pin / 3227518 / KT
Price: USD 119.95
Condition: Unspecified
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 350.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 17.00
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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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1 NOS TESTED 6550C SVETLANA Tube Amplitrex tested 106% GM
Price: USD 49.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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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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NOS Shuguang KT88 Tubes MATCHED Pair 6550 6550A Amplitrex Tested L@@K
Price: USD 80.00
Condition: For parts or not working
Location: 190**
Shipping Type: FIXED
Shipping Cost: USD 10.00
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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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Svetlana * 6550C Tube * Tested 98
Price: USD 49.99
Condition: Used
Location: 175**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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Sovtek 6550 WE Vacuum tubes..............Matched pair
Price: USD 64.95
Condition: Used
Location: 440**
Shipping Type:
Shipping Cost: USD
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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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Platinum Factory Match 1 Quad Genalex GOLD LION KT88 Vacuum tubes 6550
Price: USD 304.50
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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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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Svetlana * 6550C Tube * Tested 98
Price: USD 49.99
Condition: Used
Location: 175**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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4 GE - General Electric 6550A Tubes / KT2
Price: USD 319.95
Condition: Used
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair NOS NIB GE 6550A Tubes Amplitrex Tested 100%
Price: USD 250.00
Condition: Unspecified
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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GE General Electric 6550 / 6550A Vacuum Tube - Hickok TV7 Tested 58.6
Price: USD 70.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 6.85
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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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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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4 x GE USA TripleDiscGetter 6550A ~ Vintage Power Tube Quad ~ Grail FatRich Tone
Price: USD 505.00
Condition: Open box
Location: 786**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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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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4 National Gold by GE - General Electric 6550A Tubes / KT4
Price: USD 319.95
Condition: Used
Location: 339**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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GE USA 6550A Tube Metal Base 3-Getter 1960s - Test 98% NOS USED?
Price: USD 78.82
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 10.00
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Factory Platinum Matched Pair Tung Sol 6550 tubes, Brand New in Box !
Price: USD 139.95
Condition: New
Location: 917**
Shipping Type: FIXED
Shipping Cost: USD 9.95
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2 GE - General Electric 6550A Tubes / Welded Plates / No Guide Pins / KT3
Price: USD 129.95
Condition: Used
Location: 339**
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 100.00
Condition: New
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD
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RUBY KT88STR Power Vacuum Tube MATCHED PAIR
Price: USD 105.00
Condition: New
Location: 949**
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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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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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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JJ Electronics EL34 Tube Strong
Price: USD 17.50
Condition: Used
Location: 921**
Shipping Type: CALCULATED
Shipping Cost: USD
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200 watt tube amp power transformer 6.3VAC and makes 450VDC for quad 6L6, 6550pr
Price: USD 29.99
Condition: Used
Location: 194**
Shipping Type: FIXED
Shipping Cost: USD 14.99
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Matched Date PAIR Sylvania USA 6550 Tubes Metal Base 1970s USED - Test 100% NOS
Price: USD 135.49
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 10.00
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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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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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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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Tung-Sol 6550 ST NOS-U.S. Made
Price: USD 399.95
Condition: Unspecified
Location: 381**
Shipping Type: FIXED
Shipping Cost: USD 3.00
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Brand New Matched Pair Groove Tubes GT 6550 (KT88) Power Tubes Hickok Tested
Price: USD 145.00
Condition: New
Location: 802**
Shipping Type: CALCULATED
Shipping Cost: USD
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8Pin Octal Socket Saver EL34 KT88 6550 6SN7 6L6 6CA7 5U4G 5Z3 274B 6F8G Golden
Price: USD 11.99
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Two Pairs 6550 Factory Matched Groove Tubes GT-6550C || Curve Tracer Tested
Price: USD 179.00
Condition: Open box
Location: 199**
Shipping Type: CALCULATED
Shipping Cost: USD
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TAD Premium Selected Factory Matched Quad Red Base 6550A-STR Tubes GE Remake
Price: USD 289.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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Used RCA 6550 Triple Getter Grey Plates Serious Tubes D267
Price: USD 40.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
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RCA 6550 / KT88 ADA 8043 3-Hole Vacuum Tube w/ Original Box - Hickok TV7 Tested
Price: USD 75.00
Condition: Used
Location: 913**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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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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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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Electro-Harmonix 6550 vacuum tube audio power output tube Pair (2pcs)
Price: USD 168.00
Condition: New
Location:
Shipping Type: FIXED
Shipping Cost: USD 18.00
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