1X2
The 1X2 aka DY80 is a high-voltage rectifier tube with a maximum inverse voltage of 15 kV and a maximum forward current of 1 mA. The filament operates on 1.25 V, 200 mA.
The 1X2 tube is used in the 565, 507, and 517.
Links
<gallery> Raytheon 1x2a 1.jpg Raytheon 1x2a 2.jpg Raytheon 1x2a 3.jpg Tek rm565 hv rectifier.jpg|1X2 in RM565 HV Power Supply