Electronic tube type
Tuning Indicator vacuum tubes
Tuning Indicator records in Tube Tinker cover 99 tube designations, including 386 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 99
- Original datasheets
- 386
- Variation families
- 15
- Tubes with alternatives
- 29
About Tuning Indicator tubes
If the tube is described as a tuning indicator "magic eye", etc. then apply this type.
Electrical range
- Nominal heater voltage
- 0.7–19 V
- Nominal heater current
- 0.025–3 A
Common tuning indicator characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- 6R6
- 7AG2
- B9A2
- Noval2
- Subminiature2
- Subminiature wire-leaded2
- 601
- 7AL1
Sockets
- B9A24
- IO15
- UX66
- B45
- B52
- P8A2
- B4D1
- B5D1
Constructions
- TuningIndicator50
- Triode-TuningIndicator42
- Pentode-TuningIndicator4
- TuningIndicator-TuningIndicator2
- Triode-Triode-TuningIndicator1
Tuning Indicator tube list
Page 3 of 3
VLS405A TuningIndicator
Cold-cathode neon indicator lamp for low-current visual indication service, with published striking voltage, operating current, and capacitance.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
VLS405AS TuningIndicator
Cold-cathode neon indicator lamp variant for low-current visual indication service, with published striking voltage, operating current, and capacitance.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
WE18 Pentode-TuningIndicator
Combination variable-mu amplifier pentode and cathode-ray tuning indicator for receiver control and visual tuning or signal-strength indication.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 2