Old stock. The tubes are new and never used
"Reflektor" factory
Same Date Code (from same batch)
Tested and Measured Pair 6N9S (6Н9С) double triode
We test our tubes from this type on High-End Military Tube Tester:L3-3
Measured parameters attached to each tube
on the photo shows an example of the tubes with parameters
Lot of 2 (Matched & Balanced Pair)