Tubes are in use. but with a minimum of work. EXCELLENT CONDITION

lot of set six tubes IN-16
  • Tubes for DIY Tubes was made by military plant in Ukraine (former USSR). The same date code! "OTK" marking, indicates premium military grade tubes!

SPECIFICATIONS:

Tube diameter, mm 13

Tube Height, mm 45, approx including glass nipple

Digit Height, mm 13

Brightness >150cd/m^2

Angle of visibility >90 deg

Power supply voltage >190 V

Discharge appearance voltage <170 V

Discharge voltage <115 V

Life time >7500 hours

Shipment =========
Sending parcels with a track number worldwide by airmail
Estimate delivery time is 10-40 working days.