6P3S 6L6GC 6P3P Foton 1966s Matched Quad (4pcs) Tubes / Valves / NEW NOS

6P3S (6П3С) Tetrode 100% New Item
Old stock. The tubes are new and never used
"FOTON" factory
Same Date from 1966s (from same batch)
Tested and Measured Quad 6P3S (6П3С) Tetrode
We test our tubes from this type on High-End Tube Tester: L3-3
Measured parameters attached to each tube, difference < 3%
on the photo shows an example of the tubes with parameters
Lot of 4 (Matched & Balanced Quartet)

Shipping:
All orders will be shipped by airmail with a tracking number.