Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode-Triode
6V8
Miniature triple-diode high-mu triode combining multiple detector or control-voltage rectifier sections with a voltage-amplifier triode for receiver signal processing.
- Sections
- 4
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 6.3 V / 450 mA
Description
Triple-diode high-mu triode miniature tube.
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
- 450 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
4 physical sections, each with unique specifications.
Section 1
Diode
No fixed ratings are recorded for this section.
Representative row for identical repeated sections.
Section 2
Triode
- Plate resistance
- 48000 Ω
- Transconductance
- 0.0012 S
- Amplification factor
- 70
- Max plate voltage
- 300 V
- Max plate dissipation
- 1 W
Section 3
Diode
No fixed ratings are recorded for this section.
Second physical diode section; added to align rows with SectionCount.
Section 4
Triode
- Plate resistance
- 48000 Ω
- Transconductance
- 0.0012 S
- Amplification factor
- 70
- Max plate voltage
- 300 V
- Max plate dissipation
- 1 W
Second physical triode section; added to align rows with SectionCount.
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.