Data set 01
1936 Cossor Valve Manual
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Optimum load
3500 ohm
Published datasheet value
Power - Triode ·Triode
230XP
Two-volt super-power directly heated output triode for high-quality audio amplification in battery-operated receiving equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B4
- Base pins
- -
- Nominal heater
- -
Description
Two-volt super-power output triode for high-quality audio amplification.
Socket description
European 4-pin base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B4
- Base pins
- -
- Nominal heater voltage
- -
- Nominal heater current
- -
- 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
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.003 S
- Amplification factor
- 4
- Max plate voltage
- 150 V
Published ratings/characteristics promoted from the approved datasheet.
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.