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6550 Tube


Tung-Sol 6550 Vacuum Tube Gray Plate, Tested Good

$39.99


KT 88 (6550) Penta Labs Audio Receiver Guitar Amplifier Vacuum Tube Tested

$45.99


+++ ELECTRON POWER TUBE RCA 6550 - HICKOK tested STRONG +++

$19.90


1 general electric 6550a / 6550 tube # 30029

$19.99


+++ ELECTRON POWER TUBE GE 6550A - HICKOK tested WELL +++

$24.90


+++ ELECTRON POWER TUBE GE 6550A - HICKOK tested STRONG +++

$28.90


+++ ELECTRON POWER TUBE TUNG-SOL ST 6550 - HICKOK tested - WORKING +++

$18.90


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

$141.95


TUNG-SOL 6550 322603-3 Vacuum Tube vintage used as seen (Z2 C

$11.50


Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

$193.48


+++++ ELECTRON POWER TUBE TUNG-SOL 6550A ST - HICKOK tested VERY STONG +++++

$41.00


Matched Pair TungSol 6550 Solid Gray Plate Vacuum Tubes #4

$149.99


Brand New Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tube 90 Day Warranty SH

$35.94


2 NOS NIB Matched GE 6550A Audio Tubes USA

$220.00


TWO Electro Harmonix Factory Matched 6550 6550EH Vacuum Tubes PAIR 24hr Burn-in

$67.95


6550 KT88 GE NOS NIB Audio Receiver Guitar Amplifier Power Vacuum Tube Tested

$68.99


2 truly matched same dated 1965 tungsol 3 hole gray plate 6550 tubes

$129.99


2 GE Gray Plate 6550A Tubes

$112.49


Unique: 1 x GEC KT88 - 6550 Perfect matched Tube in Role

$10.55


Pair of Sovtek 6550WE Power Vacuum Tube

$65.90


Pair Tung Sol 6550 KT88 Solid Gray Plate RCA Branded Vacuum Tube

$225.00


NEW NESSTONE 6550 ST **Pair** Tung Sol Style Power Tubes-Matched-Powerful Tone!

$49.99


Shuguang 6550A-98 ( KT88) Tubes - Matched Quad, Tested.  Brand New.

$80.00


Quad of Melody Australia KT88 6550 Vacuum Tubes - 11% Ip matched

$100.00


6 TESLA KT88 6550 TUBES

$207.50


Matched Pairs (2 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW in Box

$65.00


Quad Tung-Sol 6550 3 Hole Grey Plate 6550 Audio Tubes USA 1970's

$375.00


Pair of Sovtek 6550WA Power Vacuum Tubes nos 6550 set free USA Shipping

$59.99


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

$191.83


Sovtek 6550WE Power Vacuum Tube

$32.95


Mullard Platinum Factory Matched PAIR New NIB KT88 KT-88 6550 Tubes

$74.95


2 truly matched strong same dated 1962 tungsol solid gray plate 6550 tubes

$229.99


One Single of Tung Sol 6550 tube, Brand New in Box !

$32.50


1 excellent real genelax gold lion kt88 / 6550 tube #3

$199.99


GE 6550 Power Vacuum Tubes pair set free US Shipping sound great USA made

$149.99


2 excellent new in the box Tungsol 3 hole 6550 tube # 50035

$249.99


Tung Sol 6550 KT88 Solid Black Plates Vacuum Tube Very Strong (3) Available

$199.99


New - Valve Art 6550A 6550 Matched Pair vacuum tube

$63.95


Vintage RCA 6550 KT88 Audio Amp Power Tube Tested Strong Better NOS

$75.00


Matched Quads (4 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW

$130.00


6550 Teslovak Pair (2) Made Russia KT88 KT90 Vacuum Tube

$46.79


Unknown 6550 Vintage Tube Gray Plates Round Getters Tested NOS (NOISE TESTED)

$75.00


New Current Matched Pair (2) Psvane KT88 (6550) HiFi Series Vacuum Tubes Hi-Fi

$57.95


Matched Pairs (2 tubes) Electro Harmonix 6550 6550EH large tubes, NEW

$55.79