Specialized - Cathode Ray ·CathodeRay
Fourteen-inch television picture tube with electrostatic focusing and magnetic deflection. It uses an aluminized P4 white screen with short-to-medium persistence and supports high-voltage direct-view monochrome television display service.
The Sylvania 14BAP4 is a 14-inch television picture tube with electrostatic focus and magnetic deflection.
Small-shell Duodecal 6-contact CRT base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Published maximum ratings and characteristics promoted semantically from the approved source.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Maximum Plate Voltage
22000 V
Typical Anode Voltage
18000 V
Phosphor
P4
Focusing Method
Electrostatic
Deflecting Method
Magnetic
Data set 02
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Heater Current
600 mA
Focusing Method
Electrostatic text
Deflection Method
Magnetic text
Fluorescence
White text
Persistence
Short to Medium text
Phosphor
Aluminized P4 text
Horizontal Deflection Angle
65 deg
Approximate
Diagonal Deflection Angle
70 deg
Approximate
Light Transmittance
76 percent
Approximate
Ion Trap
None text
Cathode-to-All Capacitance
5 pF
Approximate
Grid1-to-All Capacitance
6 pF
Approximate
External Coating-to-Anode Capacitance Minimum
750 pF
External Coating-to-Anode Capacitance Maximum
2000 pF
Maximum Anode Voltage
22000 V
Maximum Grid2 Voltage
700 V
Focus Voltage Minimum
0 V
Grid4
Focus Voltage Maximum
800 V
Grid4
Grid1 Cutoff Voltage Minimum
-80 V
Grid1 Cutoff Voltage Maximum
-30 V
Maximum Grid1 Circuit Resistance
1.5 Mohm