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RCA 6550 Strong Power Tube Triple Getter 3-Hole Plate w/Box
Check the photos for more details! Tested, Fully functional!
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6550A NOS Matched Pair Pro-Comm/Richardson Power Tubes Copper Supports 3 Mica
These tubes are a very high-quality robust construction, KT88 style 6550A. These tubes were manufactured by Richardson and Owensboro, Kentucky at the old Conrad Plant. These are made with...
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GE 6550A Vacuum Tubes……..Matched PR
Up for sale is a matching pair of GE 6550A vacuum tubes with twin top halo getters and single side getter, in excellent condition. They were tested on a...
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GE 6550 / 6550A Vacuum Tube. NEW IN BOX
SELLING A BRAND NEW IN BOXGE 6550 / 6550A Vacuum Tube. NEW IN BOX
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GE 6550A PAIR -USA JAN Military green print- poss NOS PAIR!!
Here is a very desirable PAIR of G.E. 6550A audio power tubes! These were found in a huge lot of NOS military tubes and are possibly NOS- but we're...
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TWO GE 6550A Vacuum Tube / Amplitrex Tested 👍/ 2 Top + 1 Side DISC Getter
TWO GE 6550A vacuum tubes. Tested on Amplitrex AT-1000 tube tester (fixed bias mode). Three getters= two top round disc getters and one side disc getter. Tube 1: 12210...
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GE 6550A PAIR -USA JAN Military green print- poss. NOS PAIR!!
Here is a very desirable PAIR of G.E. 6550A audio power tubes! Perfect for your McIntosh MC-60, Dynaco Mark III, and many other amplifiers! These are JAN Military types-with...
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JAN GE General Electric 6550A 3 Getter Vacuum Tube TV7&Maxi Test Strong NOS NIB£
Green military printing. Legendary tube! Mutual Conductance (GM)Test: 70 (59 = NOS AVERAGE & 44 = Good MINIMUM). Test results will vary between testers as it is not an...
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NOS Matched Pair 6550A RCA By GE Vacuum Tube KT88 Equivalent NIB Vintage USA NIB
These 6550A tubes test New 6550 tubes usually test 68/44 or higher. Seeing a NOS tube test below that number isn’t unheard of, especially so for 6550A tubes. Tested...
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Brand New Plate Current Tested Sovtek 6550WE Vacuum Tube
The Sovtek 6550WE features a higher transconductance, higher output power, and an excellent sound performance. It will bring out that excellent range for any guitar amp. We are an...