matched-quad-nos-6550-tubes

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Brand New Factory Matched Quad 4x Sovtek 6550WE Vacuum Tubes
Brand New Factory Matched Quad 4x Sovtek 6550WE Vacuum Tubes

$245.95

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Matched Quad NOS Svetlana SED Winged C 6550/KT88 tubes
Matched Quad NOS Svetlana SED Winged C 6550/KT88 tubes

$350.00

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Philips 6550 matched quad NOS
Philips 6550 matched quad NOS

$450.00

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RARE Matched Quad NOS/NIB General Electric 6550A tubes Triple getter
RARE Matched Quad NOS/NIB General Electric 6550A tubes Triple getter

$599.99

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Matched Quad Philips ECG - Sylvania 6550 Tubes / KT2
Matched Quad Philips ECG - Sylvania 6550 Tubes / KT2

$295.00

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2 NOS NIB Matched GE 6550A Tubes USA 1972
2 NOS NIB Matched GE 6550A Tubes USA 1972

$365.00

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Tung-Sol 6550 Vacuum Tube pair (2ct) Vintage Coke Bottle Russia Test Good
Tung-Sol 6550 Vacuum Tube pair (2ct) Vintage Coke Bottle Russia Test Good

$69.00

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Pair of Sovtek 6550 WE Tubes Test Strong
Pair of Sovtek 6550 WE Tubes Test Strong

$64.95

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RARE Matched Pair NOS/NIB General Electric 6550A tubes Triple Getter No Reserve!
RARE Matched Pair NOS/NIB General Electric 6550A tubes Triple Getter No Reserve!

$259.99

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Matched Quad Sylvania 6550 Vacuum Tubes / KT4
Matched Quad Sylvania 6550 Vacuum Tubes / KT4

$295.00

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Strong Matched Pair Russian TungSol 6550 Vacuum Tubes
Strong Matched Pair Russian TungSol 6550 Vacuum Tubes

$74.99

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Matched Quad Tung Sol 6550 Tubes / KT1
Matched Quad Tung Sol 6550 Tubes / KT1

$495.00

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QUAD / 4 GE General Electric 6550A / 6550 Vacuum Tubes & Boxes TV-7 Tested
QUAD / 4 GE General Electric 6550A / 6550 Vacuum Tubes & Boxes TV-7 Tested

$312.00

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Matched Quad Svetlana SED Winged C 6550 - Test NEW (S1)
Matched Quad Svetlana SED Winged C 6550 - Test NEW (S1)

$275.00

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NOS, lot of 4 Svetlana 6550B-2 tubes, BRAND NEW in Box !
NOS, lot of 4 Svetlana 6550B-2 tubes, BRAND NEW in Box !

$204.00

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Matched quad New production Russia Tung Sol 6550 / KT88 tubes #1
Matched quad New production Russia Tung Sol 6550 / KT88 tubes #1

$195.00

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New Current Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes
New Current Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes

$299.99

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Factory Platinum Matched Quad Tung Sol 6550 tubes, Brand New in Box !
Factory Platinum Matched Quad Tung Sol 6550 tubes, Brand New in Box !

$251.96

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RAM 6550 Matched Pair Output Tubes TEST STRONG SUPERB1
RAM 6550 Matched Pair Output Tubes TEST STRONG SUPERB1

$114.50

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(2) 100% Testing Mint Condition Svetlana 6550 C Guitar Audio Tubes
(2) 100% Testing Mint Condition Svetlana 6550 C Guitar Audio Tubes

$59.99

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Brand New Current Matched Quad Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tubes
Brand New Current Matched Quad Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tubes

$305.70

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Matched Pairs GE 6550A NOS NIB Beam Power Tubes. Test NEW (over 60) on TV7-D/U.
Matched Pairs GE 6550A NOS NIB Beam Power Tubes. Test NEW (over 60) on TV7-D/U.

$279.00

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GE 6550 Vacuum tubes..............Matched pair
GE 6550 Vacuum tubes..............Matched pair

$124.95

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Factory Platinum Matched Pair Tung Sol 6550 tubes, Brand New in Box !
Factory Platinum Matched Pair Tung Sol 6550 tubes, Brand New in Box !

$125.96

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Matched Quad Svetlana SED Winged C 6550 - Test NEW (S2)
Matched Quad Svetlana SED Winged C 6550 - Test NEW (S2)

$275.00

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Factory Platinum Matched Quad Svetlana 6550 6550C tubes, BRAND NEW in Box !
Factory Platinum Matched Quad Svetlana 6550 6550C tubes, BRAND NEW in Box !

$251.96

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Matched Quad Philips ECG - Sylvania 6550 Tubes / KT1
Matched Quad Philips ECG - Sylvania 6550 Tubes / KT1

$295.00

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Matched Quad Svetlana Winged =c= 6550 C Tube Tested Strong #31
Matched Quad Svetlana Winged =c= 6550 C Tube Tested Strong #31

$350.00

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Brand New Plate Current Matched Quad (4) Sovtek 6550WE Vacuum Tubes
Brand New Plate Current Matched Quad (4) Sovtek 6550WE Vacuum Tubes

$305.12

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New Plate Current Matched Quad (4) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes
New Plate Current Matched Quad (4) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes

$319.02

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New Current Matched Octet (8) Electro-Harmonix 6550 Ceramic Vacuum Tubes
New Current Matched Octet (8) Electro-Harmonix 6550 Ceramic Vacuum Tubes

$594.79

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Brand New Plate Current Matched Quad 4x Sovtek 6550WE Vacuum Tubes
Brand New Plate Current Matched Quad 4x Sovtek 6550WE Vacuum Tubes

$299.99

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Date Matched Pair of Tung-Sol 6550 Vacuum Tubes Strong Testing!
Date Matched Pair of Tung-Sol 6550 Vacuum Tubes Strong Testing!

$119.99

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4 Svetlana 6550C Power Tubes - Dual Getters - Amplitrex Tested - FREE Shipping!
4 Svetlana 6550C Power Tubes - Dual Getters - Amplitrex Tested - FREE Shipping!

$175.00

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Matched Pair of Sylvania 6550 Vacuum Tubes / KT5
Matched Pair of Sylvania 6550 Vacuum Tubes / KT5

$149.95

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2 - Tung Sol 6550 Tubes / Solid Gray Plates / KT1
2 - Tung Sol 6550 Tubes / Solid Gray Plates / KT1

$295.00

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4 RCA - Sylvania 6550 Tubes / 78.30 / KT3
4 RCA - Sylvania 6550 Tubes / 78.30 / KT3

$279.95

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Tung Sol 6550 Tube / Solid Gray Plates / No Guide Pin / KT1
Tung Sol 6550 Tube / Solid Gray Plates / No Guide Pin / KT1

$119.95

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A Matched quad New production Russia Tung Sol 6550 / KT88 tubes #2
A Matched quad New production Russia Tung Sol 6550 / KT88 tubes #2

$195.00

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Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes
Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes

$153.35

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2 GE - General Electric 6550A Tubes / IT / KT
2 GE - General Electric 6550A Tubes / IT / KT

$179.95

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2 GE - General Electric 6550A Tubes / Welded Plates / No Guide Pins / KT3
2 GE - General Electric 6550A Tubes / Welded Plates / No Guide Pins / KT3

$129.95

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Matched Quad NOS branded “McIntosh” KT88 Tubes, Brand NEW !
Matched Quad NOS branded “McIntosh” KT88 Tubes, Brand NEW !

$341.96

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RCA 6550 A 3-Hole Gray Plate Rectifier Vacuum Tube
RCA 6550 A 3-Hole Gray Plate Rectifier Vacuum Tube

$40.00

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Matched Pair RCA - Tung Sol 6550 Tubes / No Guide Pins / KT4
Matched Pair RCA - Tung Sol 6550 Tubes / No Guide Pins / KT4

$195.00

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2 GE - General Electric 6550A Tubes / CA / KT
2 GE - General Electric 6550A Tubes / CA / KT

$179.95

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GE (RCA LABEL) 6550 Vacuum Tube Top And Side Getters NOS NIB HICKOK TESTED £
GE (RCA LABEL) 6550 Vacuum Tube Top And Side Getters NOS NIB HICKOK TESTED £

$115.00

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Baldwin - Tung Sol 6550 Tube / Solid Gray Plates / KT2
Baldwin - Tung Sol 6550 Tube / Solid Gray Plates / KT2

$149.95

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GE Electronic 6550 Tube Made in USA
GE Electronic 6550 Tube Made in USA

$90.00

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Two 6550 Tubes - Marked "Amperex 6550 Made in USA"
Two 6550 Tubes - Marked "Amperex 6550 Made in USA"

$90.00

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Matched Pair Tung Sol 6550 Tubes / KT3
Matched Pair Tung Sol 6550 Tubes / KT3

$249.95

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National by GE - General Electric 6550A Tube / KT4
National by GE - General Electric 6550A Tube / KT4

$79.95

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RCA 6550 Tube- Tested 106% 11,720 Micromhos 138.6ma NOS- New in Box
RCA 6550 Tube- Tested 106% 11,720 Micromhos 138.6ma NOS- New in Box

$80.00

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Tung-Sol 6550 New Production Power Vacuum Tube
Tung-Sol 6550 New Production Power Vacuum Tube

$72.95

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1 Excellent strong new in the box Tungsol 3 hole 6550 tube #C4
1 Excellent strong new in the box Tungsol 3 hole 6550 tube #C4

$119.99

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Quad of JJ 6550 Power Vacuum Tube
Quad of JJ 6550 Power Vacuum Tube

$227.80

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6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

$888.88

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2 GE - General Electric 6550A Tubes / KT2
2 GE - General Electric 6550A Tubes / KT2

$159.95

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1 GE BY TUNGSOL EARLY SOLID PLATE 6550 TUBE / RARE / KT88
1 GE BY TUNGSOL EARLY SOLID PLATE 6550 TUBE / RARE / KT88

$189.00

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GE 6550 VACUUM TUBE - TESTED
GE 6550 VACUUM TUBE - TESTED

$122.00

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Brand New Plate Current Matched Quad 4x Sovtek 6550 Vacuum Tubes
Brand New Plate Current Matched Quad 4x Sovtek 6550 Vacuum Tubes

$249.00

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RCA - Sylvania 6550 Vacuum Tube / KT4
RCA - Sylvania 6550 Vacuum Tube / KT4

$69.95

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Vintage General Electric GE 6550 power Tube- two total- Tested Good
Vintage General Electric GE 6550 power Tube- two total- Tested Good

$125.00

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Matched Pair of Sylvania 6550 Vacuum Tubes / KT1
Matched Pair of Sylvania 6550 Vacuum Tubes / KT1

$149.95

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RCA 6550 3-Hole Rectifier Vacuum Tube
RCA 6550 3-Hole Rectifier Vacuum Tube

$25.00

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PAIR Svetlana 6550C & Winged C OUTPUT Tubes - TESTED STRONG on Hickok
PAIR Svetlana 6550C & Winged C OUTPUT Tubes - TESTED STRONG on Hickok

$119.50

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Matched Pair of Sylvania 6550 Vacuum Tubes / KT4
Matched Pair of Sylvania 6550 Vacuum Tubes / KT4

$149.95

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4 National Gold by GE - General Electric 6550A Tubes / KT4
4 National Gold by GE - General Electric 6550A Tubes / KT4

$319.95

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4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

$588.88

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Vintage General Electric GE 6550 power Tube- Tested Good - With Box
Vintage General Electric GE 6550 power Tube- Tested Good - With Box

$75.00

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GE - General Electric 6550A Tube / No Guide Pin / KT2
GE - General Electric 6550A Tube / No Guide Pin / KT2

$59.95

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RCA - Tung Sol 6550 Vacuum Tube / KT3
RCA - Tung Sol 6550 Vacuum Tube / KT3

$109.95

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Vintage GE 6550A Tube General Electric In Original Box
Vintage GE 6550A Tube General Electric In Original Box

$175.00

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4 RCA by GE - General Electric 6550A Tubes / KT3
4 RCA by GE - General Electric 6550A Tubes / KT3

$319.95

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2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched #2
2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched #2

$288.88

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New in Box: ShuGuang 6550A-98 Electron Power Tubes
New in Box: ShuGuang 6550A-98 Electron Power Tubes

$37.50

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Vintage General Electric GE 6550 power Tube- Tested Good - With Box
Vintage General Electric GE 6550 power Tube- Tested Good - With Box

$79.00

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Quad of Electro-Harmonix 6550 EH Power Vacuum Tube
Quad of Electro-Harmonix 6550 EH Power Vacuum Tube

$271.80

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Matched Pair General Electric 6550A tubes Triple getter - USA - Very Strong
Matched Pair General Electric 6550A tubes Triple getter - USA - Very Strong

$219.99

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Tung-Sol 6550 Electron Tubes, matching pair
Tung-Sol 6550 Electron Tubes, matching pair

$150.00

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GEC KT88 6550 Black Plate Triple Halo Getter NOS Tested Tightly Matched Quad
GEC KT88 6550 Black Plate Triple Halo Getter NOS Tested Tightly Matched Quad

$1980.00

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Pair NOS NIB GE 6550A Tubes Amplitrex Tested 100%
Pair NOS NIB GE 6550A Tubes Amplitrex Tested 100%

$250.00

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GE - General Electric 6550A Tube / Welded Plates / KT1
GE - General Electric 6550A Tube / Welded Plates / KT1

$79.95

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2 GE - General Electric 6550A Tubes / KT1
2 GE - General Electric 6550A Tubes / KT1

$159.95

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RCA 6550 Tube
RCA 6550 Tube

$120.00

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Matched Pair Tung Sol 6550 Tubes / KT6
Matched Pair Tung Sol 6550 Tubes / KT6

$249.95

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Vacuum Tube, 6550C, Svetlana, Matched Quad, Power
Vacuum Tube, 6550C, Svetlana, Matched Quad, Power

$281.40

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4 GE - General Electric 6550A Tubes / KT1
4 GE - General Electric 6550A Tubes / KT1

$319.95

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Tung-Sol 6550 Audio Vacuum Tube - 1968 Three Hole Plate - Made in the USA
Tung-Sol 6550 Audio Vacuum Tube - 1968 Three Hole Plate - Made in the USA

$60.00

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Quad of Sylvania 6550 Tubes Tested and Matched (b)
Quad of Sylvania 6550 Tubes Tested and Matched (b)

$280.00

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Two GE 6550A Tubes USA
Two GE 6550A Tubes USA

$145.00

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NOS GE 6550A Power Vacuum Tube Amplitrex Tested 93% Gm
NOS GE 6550A Power Vacuum Tube Amplitrex Tested 93% Gm

$85.00

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Pair of Electro-Harmonix 6550 EH Power Vacuum Tube
Pair of Electro-Harmonix 6550 EH Power Vacuum Tube

$135.90

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Brand New Plate Current Matched Pair 2x Sovtek 6550WE Vacuum Tubes
Brand New Plate Current Matched Pair 2x Sovtek 6550WE Vacuum Tubes

$150.77

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Matched Pair of Sylvania 6550 Vacuum Tubes / KT2
Matched Pair of Sylvania 6550 Vacuum Tubes / KT2

$149.95

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6550a 6550 GE tube quad metal base triple getter JAN mil specs power tubes valve
6550a 6550 GE tube quad metal base triple getter JAN mil specs power tubes valve

$1499.00

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vintage GE 6550 Vacuum tubes....Matched pair... NOS ....Original Boxes
vintage GE 6550 Vacuum tubes....Matched pair... NOS ....Original Boxes

$249.95

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4 GE - General Electric 6550A Tubes / KT2
4 GE - General Electric 6550A Tubes / KT2

$319.95

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Brand New Plate Current Matched Octet 8x Sovtek 6550WE Vacuum Tubes
Brand New Plate Current Matched Octet 8x Sovtek 6550WE Vacuum Tubes

$584.79

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Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes
Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes

$150.77

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