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6550 Pair


Tung Sol 6550 KT88 matched pair made in USA for Leslie

$149.00


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

$225.00


Matched Pair TungSol 6550 Solid Gray Plate Vacuum Tubes #4

$149.99


Pair of Sovtek 6550WE Power Vacuum Tube

$65.90


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

$67.95


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

$49.99


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

$59.99


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

$46.79


Matched Pair Svetlana 6550 6550C amp tubes, BRAND NEW

$58.55


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

$149.99


New Plate Current Matched Pair (2) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes

$71.96


Brand New Matched Pair (2) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

$97.15


New - Valve Art 6550A 6550 Matched Pair vacuum tube

$63.95


NOS PHILIPS-ECG 6550 / KT-88 AMPLITREX PLATE MATCHED PAIR POWER TUBES RICHARDSON

$279.98


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

$74.95


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

$65.00


Matched Pair of Sylvania 6550 Vacuum Tubes

$200.00


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

$55.79


Matched Pair of Tung-Sol 6550 3-hole NOS-testing Vacuum Tubes

$250.00


Pair 6550 Tung Sol Vacuum Tubes matching date code triple getter coke bottle

$200.00


Pair of Tung-Sol 6550 KT88 Black Plate Vacuum Tubes - Gm & Ip Matched

$400.00


Pair of Tung-Sol 6550 New Production Power Vacuum Tube

$69.96


JJ/Tesla 6550 Power Tubes, Matched Pair

$92.95


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

$65.58


Brand New Current Matched Pair Svetlana 6550 / 6550C (KT88) Reissue Vacuum Tube

$67.03


VINTAGE 6550 BY AUDIO GLASSIC MATCHED PAIR GRADE 5 NOS ORIGINAL MFG PACKAGE

$67.95


Pair of JJ 6550 Power Vacuum Tube

$69.96


Tung-Sol (GE, RCA) 6550 Original Issue Tubes, Matched Pair - Tested, NOS, 1964

$400.00


NOS NIB Tung Sol 6550 Vacuum Tubes Matched Pair Coke Bottle

$289.00


2x NEW Electro Harmonix 6550 EH 6550EH Power Vacuum Tubes, Matched Pair TESTED

$56.85


2 Groove Tubes, TUBE GT-6550-R R4 Pair Matched, Fender, Brand New In Box

$59.68


Vintage 1975 pair Tung-Sol for RCA 6550 Power Tubes tested 3-hole plates

$235.00


GE 6550 Vintage Vacuum Tube Pair 3 Hole Gray Plates Round Getters (NOISE TESTED)

$300.00


Gold Aero 6550 Vacuum Tubes - Matched Pair - NOS

$200.00


GT-6550-R Groove Tubes Matched Pair (2) Tubes HIGH Fender/Sovtek EL34

$69.82


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

$57.95


2x NEW Ruby 6550A-STR 6550ASTR Vacuum Tubes, Matched Pair TESTED

$71.85


RCA 6550 KT88 Vacuum Tubes ** PAIR ** #1

$300.00


Factory Matched pair Tube Amp Doctor TAD 6550 6550A KT88 - GE 6550A Remake

$89.00


Sovtek 6550WE (Pair)

$45.00


Tung Sol 6550 / KT88 Tubes Matched Pair Hickok Tested

$200.00


6550 TUNG-SOL AS GE VACUUM TUBES 3 HOLE COKE BOTTLE 1971 MATCHED PAIR JKPMN WOW

$290.00


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

$65.99


Pair of Telefunken Black Diamond 6550

$166.00


TAD 6550A-STR New In Box factory matched pair plus additional in-house testing

$106.95