Tube-number record
COLD CATHODE INDICATOR TUBE
0 archive entries
COLD CATHODE INDICATOR TUBE is a tube type in the TubeDatabase archive (class: Indicator Tube). Recorded specifications: year 1979, construction Other / special, socket CRT / special base, and maximum plate voltage 170 V. The archive does not yet hold a photographed example of this type.
ClassIndicator Tube
BaseCRT / special base
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage170 V
Audio Performance
Key Features
- Cold cathode
- Sign height 15mm
- Obsolescent type
- Separate amber filter recommended
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 170 V | — | — | — | 2 mA |
Application Notes
The use of a separate amber filter (i. e. blue absorbing) is recommended. Characteristics, operating conditions, and limiting values are essentially the same as those of type ZM1020.
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