Data set 01
1959 Rogers
Published operating points and test conditions from this source.
SECTION 1
Tuning Indicator
Application
Application
Tuning / modulation indication
Tuning Indicator ·Triode-TuningIndicator
6FG6
Miniature tuning indicator for broadcast receivers and tape recorders, using two converging fluorescent bars controlled by an internal triode.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 6.3 V / 270 mA
Description
Nine-pin miniature tuning indicator for broadcast receivers and tape recorders with a converging dual fluorescent-bar display.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 270 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
Tuning Indicator
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Electron-ray indicator section.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Max plate dissipation
- 0.5 W
Published Rogers/JETEC/RMA ratings and characteristics promoted where applicable; additional data 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.
Data set 02
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Tuning Indicator
Other
Plate and target supply voltage
250 V
TuningIndicator
Target current
1.1 mA
TuningIndicator
Series resistance
0.47 MΩ
TuningIndicator
Display pattern
Converging dual fluorescent bars
TuningIndicator
Characteristic
Grid bias end of control range
-7 V
TuningIndicator