Electronic tube type
Heptode vacuum tubes
Heptode records in Tube Tinker cover 14 tube designations, including 74 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 14
- Original datasheets
- 74
- Variation families
- 2
- Tubes with alternatives
- 9
About Heptode tubes
Apply this type if the tube is a single section heptode
Electrical range
- Nominal heater voltage
- 6.3–12.6 V
- Nominal heater current
- 0.15–0.485 A
Common heptode characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- 7CH5
Sockets
- B7G10
- B9A1
Constructions
- Heptode14
Heptode tube list
Page 1 of 1
12CS6 Heptode
Pentagrid gated-amplifier tube designed as a combined television sync separator and sync clipper, using multiple control grids for pulse gating and synchronization processing.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 12.6 V
- Sections
- 1
12EG6 Heptode
Dual-control heptode for gated amplification and specialized signal processing, with separate control grids allowing one signal to modulate or gate another.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 12.6 V
- Sections
- 1
5915 Heptode
Miniature dual-control heptode for computer, control, and switching applications, using separate control grids for logic, gating, and industrial control functions.
- Base
- 7CH
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
5915A Heptode
Long-life dual-control heptode designed for computer and control equipment, supporting logic, switching, gating, and related functions during extended operation.
- Base
- 7CH
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
6687 Heptode
Dual-control heptode designed specifically as a gated amplifier in computer circuits, allowing one control signal to gate amplification of another.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
6916 Heptode
Pentagrid amplifier for specialized gating, mixing, amplification, and control applications, with comparatively low plate resistance for a multi-grid heptode.
- Base
- 7CH
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
6A4P Heptode
Russian high-transconductance converting heptode intended for pulse-operated stationary equipment, combining signal conversion with unusually high transconductance and substantial plate ratings.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
6BY6 Heptode
Pentagrid gated-amplifier tube used in color television receivers as a combined sync separator and sync clipper, with dual-control grids for pulse processing.
- Base
- 7CH
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
6CS6 Heptode
Sharp-cutoff dual-control heptode designed for television gated-amplifier and synchronization service, particularly combined sync separation and clipping.
- Base
- 7CH
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
6L1P Heptode
Russian high-frequency heptode with hysteretic transfer characteristic for fast discriminators, binary storage, counters, switching, and limiting circuits.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
E91H Heptode
Special-quality dual-control heptode for professional gated-amplifier, mixing, modulation, and industrial control applications.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
EH90 Heptode
Dual-control heptode for television pulse, gated-amplifier, and frequency-conversion circuits, with separate grids allowing effective signal gating and mixing.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1
EH9005 Heptode
Long-life, high-reliability heptode designed specifically for electronic switching, with tight tolerances and an interface-free cathode for extended dependable operation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
EH900S Heptode
Long-life heptode designed for electronic switching and gating rather than ordinary receiver conversion, using multiple control grids for effective current control.
- Base
- Not recorded
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 1