Data set 01
1955 Lorenz
Published operating points and test conditions from this source.
SECTION 1
Pentode
Construction
Ruggedized construction
TRUE
Power - Pentode Single (NOT beam) (under 10W) ·Pentode
E80L
Special-quality long-life power/output pentode designed for stable professional, industrial, or wideband amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- NOVAL
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 750 mA
Description
E80L is listed in the supplied Amperex material as a premium-quality power pentode. Published ratings and characteristics were captured from the supplied table.
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
- NOVAL
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 750 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
NOVAL - 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
X-ray radiationInterelectrode capacitances
- Plate resistance
- 9000 Ω
- Transconductance
- 0.009 S
- Amplification factor
- 21
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 8 W
- Max screen dissipation
- 2.6 W
- Max grid dissipation
- 0.1 W
- Max cathode current
- 50 mA
Special-quality long-life shock- and vibration-resistant output pentode.
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
1958 Amperex Industrial
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Maximum plate voltage
300 V
Published table
Plate voltage
250 V
Published table
Screen voltage
250 V
Published table
Plate current
50 mA
Published table
Power output
21 W
Published table
Characteristic
Plate resistance
9000 ohm
Published table
Heater/filament voltage
6.3 V
Published rating
Heater/filament current
750 mA
Published rating
Data set 03
1958 Mullard Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Application
Application
Industrial output amplifier
Data set 04
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Heater voltage
6.3 V
Published rating
Heater current
750 mA
Published rating
Published characteristic value
11
PremiumQuality
Published characteristic value 2
7
PremiumQuality
Other
Maximum plate voltage
300 V
PremiumQuality
Plate current
50 mA
PremiumQuality
Data set 05
1963 Philips Electron Tubes Handbook V1a
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate supply voltage
204.5 V
ClassA
Screen supply voltage
204.5 V
ClassA
Cathode resistor
130 ohm
ClassA
Plate voltage
200 V
ClassA
Load resistance
7 kOhm
ClassA
Power output
2.7 W
ClassA
Plate voltage
200 V
ClassAB; PushPull; TwoTubes
Plate voltage
250 V
ClassAB; PushPull; TwoTubes
Characteristic
Plate current
26.5 to 33.5 mA
ClassA
Screen current
2.7 to 5.5 mA
ClassA
Transconductance
7400 to 10600 uS
ClassA
Data set 06
1963 Philips Electron Tubes Handbook V3
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Heater voltage
6.3 V
Published heater rating
Heater current
750 mA
Published heater rating
Other
Plate voltage
200 V
Life-test characteristic point
Plate current
30 mA
Life-test characteristic point
Screen current
4.1 mA
Life-test characteristic point
Capacitance
Input capacitance
11 pF
Published
Plate capacitance
7 pF
Published
Data set 07
1963 Siemens
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Typical Plate Voltage
200 V
PentodeConnection
Typical Screen Voltage
200 V
PentodeConnection
Typical Plate Current
30 mA
PentodeConnection
Data set 08
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater voltage
6.3 V
Published datasheet value
Heater voltage
6 V
Published datasheet value
Heater current
700 mA
Published datasheet value
Heater current
735 mA
Published datasheet value
Output power
2.7 W
Published datasheet value
Output power
2 W
Published datasheet value
Output power
5.7 W
Published datasheet value
Characteristics
Anode current
30 mA
Published datasheet value
Anode current
0.2 mA
Published datasheet value
Anode current
24 mA
Published datasheet value
Anode current
24.6 mA
Published datasheet value
Anode current
29.5 mA
Published datasheet value
Anode voltage
200 V
Published datasheet value
Anode voltage
600 V
Published datasheet value
Anode voltage
250 V
Published datasheet value
Screen-grid voltage
200 V
Published datasheet value
Screen-grid voltage
600 V
Published datasheet value
Screen-grid voltage
250 V
Published datasheet value
Output power one tube
2.7 W
Published datasheet value
Output power two tubes ClassAB
5.7 W
Published datasheet value