Tube-number record
ZM1041
0 archive entries
ZM1041 is a tube type in the TubeDatabase archive (class: Indicator Tube). Recorded specifications: year 1969, 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
EnvelopeSide-viewing glass with red contrast filter
Sections2 cathodes (+ and -), 1 anode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage170 V
Cathode Current6 mA
Audio Performance
Key Features
- Side viewing
- Red contrast filter
- Identical physical dimensions to ZM1040
- Cold cathode
- Neon glow
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Sign Indicator Operation | 170 V | — | — | — | 4.5 mA |
Application Notes
Bulb temperatures below 10°C result in a reduced life expectancy and changes in characteristics. Constant current operation (high supply voltage with a high anode series resistor) is recommended for equipment used within a wide temperature range.
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