Brimar, Made in England
Rare Lot of 3 x CV1988 6SN7GT Valves Tubes
Black Plates, Rectangle Getters
Fully Tested on AVO VCM 163
Results Shown in Picture 4
100% Book Spec = Ia 9 - Gm 2.9
Used, Supplied in White Boxes
*One has a broken locating spigot