Gold pin, disc getter, Valvo Hamburg factory!
Code Df6 D9L4!
Tubes are in their original boxes, opened only for measurements. Some test slightly below NOS specifications, but they are still fully functional and perform as intended.
SQ, long life and low noise audio double triodes!
Excellent sound and build quality!!
Tested on RoeTest V10 (the best modern tube tester!)--see attached picture for measured data
PRICE IS FOR ONE TUBE!!
I will pack and secure tubes good.
Feel free to contact me.