Tuning Indicator ·Triode-TuningIndicator
12U5G
Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.
- Sections
- 2
- Base
- -
- Socket code
- IO
- Base pins
- -
- Nominal heater
- 12.6 V / 150 mA
Description
The BRIMAR 12U5G is a 12.6 V magic-eye tuning indicator.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- -
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 150 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
2 physical sections, each with unique specifications.
Section 1
Triode
No fixed ratings are recorded for this section.
Electron-beam tuning-indicator section.
Section 2
Tuning Indicator
No fixed ratings are recorded for this section.
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.