Data set 01
1948 Brimar Radio Valve Manual
Published operating points and test conditions from this source.
SECTION 1
Pentode
Application
Service
Low-drain battery power output
Power - Pentode (NOT beam) ·Pentode
1LA4E
Special low-drain battery power pentode for portable receiver output stages where long battery life takes priority over high power.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B8G
- Base pins
- 8
- Nominal heater
- 1.4 V / 50 mA
Description
Low-drain battery power pentode.
Socket description
Loctal 8-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B8G
- Base pins
- 8
- Nominal heater voltage
- 1.4 V
- Nominal heater current
- 50 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
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
Pentode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published source values promoted where applicable; additional values retained as 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.