Data set 01
1948 Brimar Radio Valve Manual
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
HeaterOrFilamentVoltage
1.4 V
HeaterOrFilamentCurrent
100 mA
Power - Beam (NOT sweep) ·BeamPower
1Q5GT
Beam-power output tube for low-voltage battery-operated audio amplifiers, delivering roughly a quarter watt in typical Class-A operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 6AF
- Socket code
- IO
- Base pins
- 7
- Nominal heater
- 1.4 V / 100 mA
Description
Beam-power output tube for low-voltage battery-operated audio amplifiers. Electrical ratings and representative operating data were extracted from the approved manual page.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 6AF
- Socket code
- IO
- Base pins
- 7
- Nominal heater voltage
- 1.4 V
- Nominal heater current
- 100 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
6AF - 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
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 90000 Ω
- Transconductance
- 0.0022 S
- Max plate voltage
- 110 V
- Max screen voltage
- 110 V
- Max cathode current
- 12 mA
Beam-power output tube for low-voltage battery-operated audio amplifiers.
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
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Plate voltage
90 V
ClassA; OperatingPoint1
Screen voltage
90 V
ClassA; OperatingPoint1
Control-grid bias
4.5 V
ClassA; OperatingPoint1
Plate current
9.5 mA
ClassA; OperatingPoint1
Screen current
1.3 mA
ClassA; OperatingPoint1
Load resistance
8000 ohm
ClassA; OperatingPoint1
Power output
0.27 W
ClassA; OperatingPoint1
Plate voltage
85 V
ClassA; OperatingPoint2
Screen voltage
85 V
ClassA; OperatingPoint2
Control-grid bias
5 V
ClassA; OperatingPoint2
Plate current
7 mA
ClassA; OperatingPoint2
Screen current
0.8 mA
ClassA; OperatingPoint2
Load resistance
9000 ohm
ClassA; OperatingPoint2
Power output
0.25 W
ClassA; OperatingPoint2