1 NOS 6SL7GT Sylvania Black Plate Chrome Top Vacuum Tube
Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
A MATCHED PAIR OF JAN/RCA 6SL7GT/VT-229 BLACKPLATE NOS/NIB VACUUM TUBES
These tubes are Black Plates with Bottom rectangular Getters. Made in the USA!
ANOS Sylvania 6SL7GT Tube Black Plate O-Getter Amplitrex Tested VT-229 NICE!!
Here we have for sale a great Sylvania 6SL7GT tube. ANOS tested Black plates and O-getter. Tight octal base and pristine unused corrosion free pins. Great strong tube with years of life to enjoy. Amplitrex tested @ 90% & 93% on the triodes.
NOS NIB *PERFECT TUBE CBS ROUND PLATES 6SL7GT VT-229 MEGA GRADE BLACK GLASS USA
HIGHEST GRADE 6SL7GT TUBE CBS EVER MADE. DO NOT MISS OUT ON THIS BEAUTIFUL VALVE. EACH PLATE BALANCED AND MATCHED. TESTED AND WORKS PERFECT.
Matched Pair VT-229 NOS JAN CHS 6SL7 Black Plates UTS navy Anchor
NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
2) RCA 6SL7GT / VT-229 Vacuum Tubes new old stock NOS
pair of RCA 6SL7 / VT-229 vacuum tubes NOS …
2 Sylvania JAN CHS 6SL7GT VT-229 Black Plate Navy UTS ANCHOR Vacuum Tubes
Tv7 tested TUBES. 90 % of our tubes are Tv7 tested. All our tubes have been tested for. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
Vintage Sylvania 6SL7GT VT-229 Vacuum Tube Pewter Plates
The Vintage Sylvania 6SL7GT VT-229 Vacuum Tube is a highly sought-after collector’s item in the world of vintage electronics. Made in the United States, this vacuum tube features pewter plates, giving it a unique and classic appearance. With its reputable Sylvania brand and specific model number, this tube is sure to be a valuable addition to any vintage audio or video enthusiast’s collection. Perfect for restoring vintage electronics or adding a touch of nostalgia to a retro audio setup, the Vintage Sylvania 6SL7GT VT-229 Vacuum Tube is a rare and charming find for those who appreciate classic technology.
