Power - Pentode (NOT beam) ·Pentode
6973EH
Modern 6973-family audio power pentode with 13 W plate dissipation and high-voltage capability for compact high-output amplifiers.
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 550 mA
Description
Miniature power pentode for low-frequency power amplification.
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
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 550 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
1 physical section, each with unique specifications.
Section 1
Pentode
- Transconductance
- 0.0055 S
- Max plate voltage
- 440 V
- Max screen voltage
- 330 V
- Max plate dissipation
- 13 W
- Max screen dissipation
- 2.5 W
Published ratings and characteristics promoted from the approved source.
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.