Specialized - Cathode Ray ·CathodeRay
16AXP4
Canadian General Electric 16AXP4 16-inch rectangular monochrome CRT with electrostatic unipotential focus, 114-degree magnetic deflection, non-ion-trap gun, aluminized P4 screen and 6.3 V 0.45 A heater.
- Sections
- 1
- Base
- 8HR
- Socket code
- -
- Base pins
- 8
- Nominal heater
- 6.3 V / 450 mA
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8HR
- Socket code
- -
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8HR - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Cathode Ray
- Max plate voltage
- 18000 V
- Max screen voltage
- 550 V
16AXP4 CRT: anode operating range 11000–18000 V; grid2 accelerator 200–550 V; grid4 focusing electrode -500 to +1000 V. Grid1 negative DC max magnitude 155 V, negative peak 220 V, positive DC 0 V, positive peak +2 V. Heater-cathode ±200 V normally, heater-negative 450 V <=15 s warm-up. Typical grid-drive Va 15000 V, Vg4 250 V, Vg2 300 V, grid1 visual cutoff -40 to -72 V; cathode-drive Va 15000 V, Vg4 250 V, Vg2 300 V, cathode +40 to +60 V relative grid1. Grid1 resistance max 1.5 MΩ. P4 aluminized screen, electrostatic unipotential focus, magnetic deflection 114° diagonal, non-ion-trap. Capacitances cathode 5 pF, grid1 6 pF, external coating-to-anode 1000–1500 pF.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.