Data set 01
1956 National Video
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Typical Anode Voltage
18000 V
Phosphor
P4
Characteristic
Heater Voltage Nominal
6.3 V
Heater Current Nominal
600 mA
Specialized - Cathode Ray ·CathodeRay
23BXP4
Twenty-three-inch television picture tube with electrostatic focusing and magnetic deflection. National Video documentation identifies a high-voltage direct-view CRT with an anode rating around 22 kV.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 12L
- Socket code
- DUODECAL6
- Base pins
- 12
- Nominal heater
- 6.3 V / 600 mA
Description
23-inch electrostatic-focus, magnetic-deflection picture tube.
Socket description
Small-shell Duodecal 6-contact CRT base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 12L
- Socket code
- DUODECAL6
- Base pins
- 12
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12L - 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
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 22000 V
- Max screen voltage
- 550 V
- Rectifier max heater-cathode voltage
- 180 V
CRT anode and grid-2 maximum ratings are promoted from the printed ratings block; other CRT-specific focus/drive/deflection values are preserved in parameters.
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.