2 Mullard Genalex KT 88 Vintage Vacuum Tubes (tested good @ 70)
Tested on Model 1100A tube tester good range @70 each.
Genalex Gold Lion KT88 6550 Clear Glass Triple O Getter NOS NIB Matched Quad
They are sealed open so almost in mint condition. They sound wonderful on my Mc 275. Super rare and hard to find now. The tubes don’t go with original boxes which is clearly shown in the photos.
GEC KT88 6550 Black Plate OOO getter Tested NOS Tightly Matched Quad
These tubes are carefully tested on TV-7/U and bias checker (see the last photo for reference) at well over NOS value (On TV-7 min good is 44=65% and 66-68=100%). They sound wonderful on my Luxman amplifier.
GEC KT88 6550 Black Plate OOO getter Tested NOS Tightly Matched Quad
These tubes are carefully tested on TV-7/U and bias checker (see the last photo for reference) at well over NOS value (On TV-7 min good is 44=65% and 66-68=100%). They sound wonderful on my Luxman amplifier.
GEC KT88 6550 OOO getter NOS NIB Excellent Testing Values Pair Quad Rare
These tubes are carefully tested on my TV-7/U at 74-75/44 min good (66-68=100%). They sound wonderful on my hifi system. Super rare and hard to find now. What you see is what you get.
Genalex Gold Lion KT88 6550 Red Prints Triple O Getter Tested NOS Matched Quad
They sound wonderful on my Mc 275. Super rare and hard to find now. The tubes don’t go with original boxes which is clearly shown in the photos.
Genalex Gold Lion KT88 6550 Black Plates 4 Halo Getter Tested Excellent Full Box
These tubes are carefully tested on my TV-7/U at around 80/44 min good (44=65%; 66-68=100%) as shown in the last photo. They sound wonderful on my Mc 275. Super rare and hard to find now. The tubes again go with original boxes like in the photos.
2 NOS JJ Electronic KT-88 6550 Tubes Tested TV-7/U
2 NOS JJ Electronic KT-88. I’m selling these for a friend who collected lots of HiFi gear and tubes as spares over the years. Tested on my recently Dan Nelson calibrated TV-7/U where minimum good is 25. Tubes = 50 & 44. Check pictures, use zoom feature. Ask questions. No shorts or gas. Multiple items combined to save on shipping costs. (EL34 box, DS)
(3) Primaluna KT88 6550 Tubes
(3) USED primaluna KT88 Tubes. Please see photos. • No P.O. Boxes, APO/FPO/DPO Addresses: Shipping is available only to physical residential or business addresses within the U.S. Orders placed with P.O. Box, APO, FPO, or DPO addresses will be canceled. • Same-Day Shipping: Orders placed before 3:00 PM Pacific Standard Time (PST) will ship out the same business day (unless otherwise indicated in the listing). Orders placed after the cutoff will ship the next business day. • Business Days: Monday through Friday, excluding holidays. • Signature Confirmation: Some items may require a signature upon delivery. If this will be an issue, please contact me prior to purchase.
Sovtek KT-88 Vintage Vacuum Tube Tests NOS Quality w/ Original Box
One Sovtek KT88 tube with testing information on the top of the box. Your testing system may give different results; this is normal and will not be a valid cause for a refund. All tubes are sold as is. Please message me if you have any questions or want more photos.
