Power - Pentode (NOT beam) ·Pentode-Triode
6HZ8
High-mu triode plus sharp-cutoff pentode; the triode serves voltage-amplifier or sync-separator functions while the pentode provides television video amplification.
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 1.125 A
Description
High-mu triode and sharp-cutoff pentode; the triode is intended for voltage-amplifier or sync-separator service and the pentode for video 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
- 1.125 A
- 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
Pentode
- Plate resistance
- 140000 Ω
- Transconductance
- 0.0126 S
- Max plate voltage
- 330 V
- Max plate dissipation
- 8 W
- Max screen dissipation
- 2 W
Video-amplifier pentode.
Section 2
Triode
- Transconductance
- 0.004 S
- Amplification factor
- 70
- Max plate voltage
- 300 V
- Max plate dissipation
- 1 W
High-mu triode.
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.