Electronic tube type
Voltage - Tetrode vacuum tubes
Voltage - Tetrode records in Tube Tinker cover 122 tube designations, including 386 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 122
- Original datasheets
- 386
- Variation families
- 4
- Tubes with alternatives
- 18
About Voltage - Tetrode tubes
If the tube is a single voltage or signal tetrode not falling into a power type, then assign this type.
Electrical range
- Nominal heater voltage
- 0.9–37 V
- Nominal heater current
- 0.009–3.8 A
Common voltage - tetrode characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- 7EW5
- 5E4
- 4K2
- B9A2
- 5C1
- 5R1
- 6A1
- 7FQ1
Sockets
- B516
- B7G14
- B411
- B9A10
- UX49
- UX58
- IO3
- MEDIUM53
Constructions
- Tetrode121
- Pentode-Tetrode1
Voltage - Tetrode tube list
Page 3 of 3
MKT4 Tetrode
Output power tetrode designed for receiver audio stages, providing efficient Class-A or Class-AB power amplification from typical receiving-equipment supply voltages.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
MS4 Tetrode
General-purpose screen-grid tetrode with extremely low anode-grid capacitance for stable high-frequency amplification in receiving equipment.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4 V
- Sections
- 1
MS4B Tetrode
OSRAM receiving tetrode documented for amplification, detection, and related receiver service; available source labeling is internally inconsistent about electrode terminology.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4 V
- Sections
- 1
MSGHA Tetrode
Cossor screen-grid tetrode for receiving-equipment amplification, with manufacturer documentation covering construction, operating recommendations, and application data.
- Base
- Not recorded
- Socket
- B5
- Heater
- Not recorded
- Sections
- 1
MSGLA Tetrode
Cossor screen-grid tetrode for receiver amplification. Its screened electrode structure reduces feedback and improves high-frequency gain compared with contemporary triodes.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4 V
- Sections
- 1
MVSG Tetrode
Cossor screen-grid tetrode for receiver amplification. Available source material confirms screened-tetrode construction without establishing a narrower functional category.
- Base
- Not recorded
- Socket
- B5
- Heater
- Not recorded
- Sections
- 1
PML2M Tetrode
Directly heated RF tetrode for radio-frequency amplifier service. Its screen-grid construction improves gain and isolation in receiving circuits.
- Base
- Not recorded
- Socket
- B4
- Heater
- 2 V
- Sections
- 1
RENS1204 Tetrode
Screen-grid RF tube for tuned-anode RF amplification, detector, and IF service in radio receivers.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
RENS1818 Tetrode
Screen-grid RF tube for 180 mA series-heater receivers. Its construction provides high-frequency amplification in transformerless radio equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
RENS1820 Tetrode
Screen-grid RF tube for 180 mA series-heater receivers, providing receiver high-frequency amplification in transformerless equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
RES044 Tetrode
Directly heated battery screen-grid tetrode for high-frequency amplification. Its low filament current suits economical portable receiving equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
RES094 Tetrode
Directly heated battery screen-grid tube for RF amplification, detector, and resistance-coupled AF service in portable receivers.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
RS1012L Tetrode
Siemens directly heated transmitting tetrode. Available source material identifies the RS1012 family with professional RF-power service without supporting a more detailed description.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
RS1012V Tetrode
Siemens directly heated transmitting tetrode. Available source material identifies the RS1012 family with professional RF-power service without supporting a more detailed description.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
S12 Tetrode
Miniature screen-grid amplifier valve for low-voltage deaf-aid and battery-amplifier service. Its low heater demand suits compact portable equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 1.4 V
- Sections
- 1
S21 Tetrode
Screen-grid radio-frequency amplifier for receiving equipment. Its screened structure reduces feedback and improves high-frequency gain.
- Base
- Not recorded
- Socket
- B4
- Heater
- 2 V
- Sections
- 1
S22 Tetrode
Screen-grid amplifier with high amplification and mutual conductance for receiver signal amplification. Its screened structure improves gain and stability.
- Base
- Not recorded
- Socket
- B4
- Heater
- 2 V
- Sections
- 1
S24 Tetrode
Two-volt screen-grid high-frequency amplifier for battery receivers, combining high mutual conductance with low grid-anode capacitance to provide substantial stage gain from economical filament power.
- Base
- Not recorded
- Socket
- B4
- Heater
- 2 V
- Sections
- 1
TH215 Tetrode
Thomson-CSF tetrode documented for specialized electronic service. Available source metadata does not support a narrower functional reassignment without speculation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
VE418 Tetrode
Subminiature low-filament-power tetrode designed as an electrometer amplifier with extremely high input resistance for precision measurement of very small electrical currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 1.25 V
- Sections
- 1
VMS4 Tetrode
Variable-mu screen-grid valve for high- or intermediate-frequency amplification, designed to reduce cross modulation and permit smooth receiver gain control through grid-bias variation.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4 V
- Sections
- 1
VMS4B Tetrode
High-conductance variable-mu screen-grid valve for RF and IF amplification, emphasizing linear gain control, low grid-anode capacitance, and reduced cross-modulation distortion.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4 V
- Sections
- 1
VS24 Tetrode
Two-volt variable-mu screen-grid valve for RF or IF gain control in battery receivers, providing high maximum mutual conductance and low cross-modulation distortion.
- Base
- Not recorded
- Socket
- B4
- Heater
- 2 V
- Sections
- 1
VS24K Tetrode
Compact version of the VS24 variable-mu screen-grid valve for battery receivers, retaining the same published electrical characteristics and gain-control behavior in smaller dimensions.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 2 V
- Sections
- 1
ZP1065 Tetrode
Long-life reliable metal-ceramic pulsed RF power tetrode for L-band amplifier service, combining high gain with long pulse width for demanding high-frequency transmitter applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
ZP1070 Tetrode
Reliable forced-air-cooled RF power tetrode for amplifier and oscillator service to approximately 1.25 GHz or higher, supporting Class B linear and Class C operation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1