6CG7 6FQ7 GE USA Cryo vacuum tube
This is a genuine new-old-stock JAN (Joint Army Navy) 6CG7/6FQ7, which is a military grade version of the 6CG7/6FQ7. Made in USA in 1973 by General Electric. It has been cryo-treated, which extends tube life by about 5 times. This tube has the original box and is in mint condition. It has been tested on our calibrated Sencore Mighty Mite VII tube tester and exceeds NOS minimum requirements.