Voltage Radio Detector Converter ·Diode-Diode-Pentode
Receiving tube combining radio signal detection or control-voltage rectification with associated voltage amplification. Its detector function is integral to receiver signal processing and supports classification within the radio detector/converter family.
The BRIMAR 6B8GT is a double-diode pentode designed for simultaneous detector and IF or LF amplifier service; its pentode section has semi-vari-mu characteristics.
International Octal
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
3 physical sections, each with unique specifications.
Section 1
Remote-cutoff pentode section.
Section 2
No fixed ratings are recorded for this section.
First diode section.
Section 3
No fixed ratings are recorded for this section.
Second diode section.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Plate voltage
250 V
ClassA
Screen-grid voltage
125 V
ClassA
Grid voltage
-3 V
ClassA
Plate current
10 mA
ClassA
Screen-grid current
2.3 mA
ClassA
Data set 02
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Heater current
300 mA
Plate current
10 mA
Typical operating conditions
Heater voltage
6.3 V
Heater current
300 mA
Heater voltage
6.3 V
Heater current
300 mA