Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Anode3Voltage
12000 V
Anode2Voltage
6000 V
Anode1Voltage
2500 V
Specialized - Cathode Ray ·CathodeRay
12AXP1
High-voltage cathode-ray display tube with multiple accelerating anodes, typically operating its third anode at 10 kV and rated for 6 W anode input.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 14J
- Socket code
- B12A
- Base pins
- 12
- Nominal heater
- 6.3 V / 600 mA
Description
Twelve-inch direct-view oscilloscope CRT with electrostatic focus/deflection, post-deflection acceleration, gray-filter faceplate, and aluminized screen.
Socket description
Duodecal 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 14J
- Socket code
- B12A
- Base pins
- 12
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
14J - 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
- 12000 V
Values promoted from the supplied Sylvania source where explicitly published.
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.
Data set 02
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Heater voltage
6.3 V
Heater current
600 mA
Anode input maximum
6 W
Anode No. 2 voltage maximum
6000 V
Anode No. 1 voltage maximum
2500 V
Anode No. 3 voltage
10000 V
Grid No. 1 cutoff voltage
-60 to -100 V
Heater-cathode peak voltage
200 V