6550

6550 Hot Sales

6550 in Amazon
JJ 6550 Power Vacuum Tube MATCHED SEXTET
$345.00

JJ 6550 Power Vacuum Tube MATCHED SEXTET

JJ 6550 Power Vacuum Tube MATCHED PAIR
$115.00

JJ 6550 Power Vacuum Tube MATCHED PAIR

New Listing2 Matched Tung-Sol Leslie 6550 Tubes USA 1973
$189.00

New Listing2 Matched Tung-Sol Leslie 6550 Tubes USA 1973

New ListingPair of Vintage General Electric 6550 Power Tubes, Tested as NOS on Amplitrex
$200.00

New ListingPair of Vintage General Electric 6550 Power Tubes, Tested as NOS on Amplitrex

New Listing3 Tung-Sol 6550 Vintage USA Made Vintage Vacuum Tubes Untested
$10.50

New Listing3 Tung-Sol 6550 Vintage USA Made Vintage Vacuum Tubes Untested

New Listing2 Matched Tung-Sol 6550 Tubes USA 1971
$210.00

New Listing2 Matched Tung-Sol 6550 Tubes USA 1971

Pair 6550 GE/Tung-Sol Tube Coke-Bottle NOS/NIB Gray Plate 3 Mica 3 O Getter
$274.95

Pair 6550 GE/Tung-Sol Tube Coke-Bottle NOS/NIB Gray Plate 3 Mica 3 O Getter

(2) Nice Sets ValvoArt & Genalex KT88 & 6500 Audio Tubes
$125.00

(2) Nice Sets ValvoArt & Genalex KT88 & 6500 Audio Tubes

Brand New Plate Current Matched Pair (2) Sovtek 6550WE Vacuum Tubes
$153.35

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

New Plate Current Matched Quad (4) Svetlana KT88-SV Gold Grid Tubes
$330.41

New Plate Current Matched Quad (4) Svetlana KT88-SV Gold Grid Tubes

Brand New Matched Octet (8) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes
$720.88

Brand New Matched Octet (8) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

Brand New Plate Current Matched Quad (4) Sovtek 6550WE Vacuum Tubes
$305.12

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

New Svetlana 6550 / 6550C Vacuum Tube
$73.56

New Svetlana 6550 / 6550C Vacuum Tube

Brand New Plate Current Matched Sextet (6) Sovtek 6550WE Vacuum Tubes
$454.38

Brand New Plate Current Matched Sextet (6) Sovtek 6550WE Vacuum Tubes

Brand New In Box Current MatchedQuad (4) Electro-Harmonix KT88 Vacuum Tubes
$310.93

Brand New In Box Current MatchedQuad (4) Electro-Harmonix KT88 Vacuum Tubes

New Listing4 National Gold by GE - General Electric 6550A Tubes / KT4
$319.95

New Listing4 National Gold by GE - General Electric 6550A Tubes / KT4

2 Plate Current Matched Sylvania RCA 6550 Tubes USA
$169.00

2 Plate Current Matched Sylvania RCA 6550 Tubes USA

6550 RCA NOS Test Matched Pair Tubes Three Hole Plate Triple Halo Foil Getters
$125.00

6550 RCA NOS Test Matched Pair Tubes Three Hole Plate Triple Halo Foil Getters

Set Of 4 Vintage Russian SVETLANA SV6550C Electron Vaccum Tubes
$199.99

Set Of 4 Vintage Russian SVETLANA SV6550C Electron Vaccum Tubes

JJ 6550 Power Vacuum Tube MATCHED QUAD
$230.00

JJ 6550 Power Vacuum Tube MATCHED QUAD

Brand New Current Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes
$153.35

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

Factory Matched Tung- Sol 6550 Power Tubes Quartet
$275.00

Factory Matched Tung- Sol 6550 Power Tubes Quartet

Two 6550 Tubes - Marked
$90.00

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

New Listing4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
$588.88

New Listing4 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

Matched Quad of Tung-Sol 6550 1960s Vacuum Tubes
$600.00

Matched Quad of Tung-Sol 6550 1960s Vacuum Tubes

Tung-Sol 6550 Matched Pair Output Tubes
$209.99

Tung-Sol 6550 Matched Pair Output Tubes

New Listing2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
$288.88

New Listing2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

USED AND TESTED OVER 100% BIG BOTTLE RCA 6550 / KT-88 AUDIO TUBE
$49.99

USED AND TESTED OVER 100% BIG BOTTLE RCA 6550 / KT-88 AUDIO TUBE

New Listing6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched
$888.88

New Listing6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum tubes Matched

2 Plate Current Matched GE 6550A Tubes USA
$160.00

2 Plate Current Matched GE 6550A Tubes USA

4 NOS MPD - GE - General Electric 6550A Tubes / JG / KT
$395.00

4 NOS MPD - GE - General Electric 6550A Tubes / JG / KT

Tung sol 6550 black plate For Raytheon
$150.00

Tung sol 6550 black plate For Raytheon

2 x Vintage GE 6550A tubes NIB (matched pair)
$299.00

2 x Vintage GE 6550A tubes NIB (matched pair)

New Listing4 RCA by GE - General Electric 6550A Tubes / KT3
$319.95

New Listing4 RCA by GE - General Electric 6550A Tubes / KT3

Two GE 6550A Tubes USA
$145.00

Two GE 6550A Tubes USA

New Current Matched Pair Svetlana 6550 / 6550C Vacuum Tube
$146.85

New Current Matched Pair Svetlana 6550 / 6550C Vacuum Tube

2 NOS MPD - GE - General Electric 6550A Tubes / KT1
$195.00

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

Pair of GE 6550A Vacuum Tubes
$150.00

Pair of GE 6550A Vacuum Tubes

Tung-Sol 6550 Power Tube - Transparent (6550) Box Is Not Perfect
$65.00

Tung-Sol 6550 Power Tube - Transparent (6550) Box Is Not Perfect

New ListingGE - General Electric 6550A Tube / No Guide Pin / KT2
$59.95

New ListingGE - General Electric 6550A Tube / No Guide Pin / KT2

6550C Svetlana =C= 6550 Tube
$95.00

6550C Svetlana =C= 6550 Tube

New ListingKT88 Tubes, Pair, Made in China, unknown brand
$40.00

New ListingKT88 Tubes, Pair, Made in China, unknown brand

RCA 6550 Vacuum tubes...Coke Bottle.... Match pair.... NOS. ...Original Boxes
$299.95

RCA 6550 Vacuum tubes...Coke Bottle.... Match pair.... NOS. ...Original Boxes

New Listing2 RCA by GE - General Electric 6550A Tubes / KT4
$159.95

New Listing2 RCA by GE - General Electric 6550A Tubes / KT4

Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444
$165.00

Tung-Sol 6550 power tubes pair made in 2005 test very strong on Triplett 3444

New Plate Current Matched Quad (4) Mullard Reissue KT88 / 6550 Vacuum Tubes
$299.35

New Plate Current Matched Quad (4) Mullard Reissue KT88 / 6550 Vacuum Tubes

2 NOS MPD - GE - General Electric 6550A Tubes / 9311 / KT
$195.00

2 NOS MPD - GE - General Electric 6550A Tubes / 9311 / KT

Closely Matched Quad of GE JAN 6550A Vacuum Tubes
$500.00

Closely Matched Quad of GE JAN 6550A Vacuum Tubes

Svetlana 6550C Vacuum Tube QUAD SET
$229.00

Svetlana 6550C Vacuum Tube QUAD SET

6550 Power Vacuum Tube Set - Tested!
$220.00

6550 Power Vacuum Tube Set - Tested!

New Listing4 NOS Svetlana 6550WA Tubes / OTK 55 / KT1
$219.95

New Listing4 NOS Svetlana 6550WA Tubes / OTK 55 / KT1

6 6550A & 6550WE POWER VACUUM TUBES! TEST GOOD! 3 USA/3 USSR! 2 ARE GE! ASSORTED
$249.99

6 6550A & 6550WE POWER VACUUM TUBES! TEST GOOD! 3 USA/3 USSR! 2 ARE GE! ASSORTED

vintage GE 6550 Vacuum tubes..............Matched pair
$199.95

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

2 NOS NIB Plate Current Matched GE 6550A Tubes USA
$350.00

2 NOS NIB Plate Current Matched GE 6550A Tubes USA

2 Fender / GE 6550 Vacuum Tubes Tested NOS On Calibrated TV 7
$199.95

2 Fender / GE 6550 Vacuum Tubes Tested NOS On Calibrated TV 7

SVETLANA 6550B-2 Vacuum Tubes NOS - Made in RUSSIA
$44.99

SVETLANA 6550B-2 Vacuum Tubes NOS - Made in RUSSIA

+++ Platinum Matched PAIR Vintage 1966 TUNG-SOL 6550 - AT1000 Tested +++
$360.00

+++ Platinum Matched PAIR Vintage 1966 TUNG-SOL 6550 - AT1000 Tested +++

GE 6550 Vacuum tubes.... Groove Tube Label..........Matched pair
$124.95

GE 6550 Vacuum tubes.... Groove Tube Label..........Matched pair

New ListingMatched Pair Groove Tubes by GE GT-6550 Tubes / KT5
$159.95

New ListingMatched Pair Groove Tubes by GE GT-6550 Tubes / KT5

5 NOS GE - General Electric 6550A Tubes / NR / KT
$489.95

5 NOS GE - General Electric 6550A Tubes / NR / KT

4 GE - General Electric 6550A Tubes / KT2
$319.95

4 GE - General Electric 6550A Tubes / KT2

New Listing2 RCA by Tung Sol 6550 Tubes / Missing Guide Pins / KT1
$219.95

New Listing2 RCA by Tung Sol 6550 Tubes / Missing Guide Pins / KT1

New ListingTung Sol 6550 Tube / Solid Black Plate / Missing Guide Pin / 3226122-3 / KT
$119.95

New ListingTung Sol 6550 Tube / Solid Black Plate / Missing Guide Pin / 3226122-3 / KT

GE General Electric 6550 Electronic Tube *Untested*
$80.00

GE General Electric 6550 Electronic Tube *Untested*

NiB Pair of TungSol 6550 Solid Plate Tubes
$799.00

NiB Pair of TungSol 6550 Solid Plate Tubes

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