Data set 01
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
HeaterOrFilamentVoltage
2 V
HeaterOrFilamentCurrent
150 mA
Plate Voltage
135 V
Plate Current
5.6 mA
Power - Pentode Single (NOT beam) (under 10W) ·Pentode
KL35
Directly heated battery output pentode for economical Class A audio power service in portable receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 2 V / 150 mA
Description
Battery output pentode for Class A audio power service.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 2 V
- Nominal heater current
- 150 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
X-ray radiationInterelectrode capacitances
- Plate resistance
- 150000 Ω
- Transconductance
- 0.0022 S
- Max plate voltage
- 150 V
- Max plate dissipation
- 1 W
Audio 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 Mullard Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate Voltage
135 V
ClassA; OneTube
Screen Voltage
135 V
ClassA; OneTube
Plate Current
5.6 mA
ClassA; OneTube
Load Resistance
19000 ohm
ClassA; OneTube
Power Output
0.34 W
ClassA; OneTube