Tube-number record
1946
0 archive entries
1946 is a tube type in the TubeDatabase archive (class: Vacuum-Gauge Tube). Recorded specifications: brand RCA, year 1947, and construction Other / special. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassVacuum-Gauge Tube
Filament1 V @ 70 mA
Construction
Primary TypeOther / special
EnvelopeT12
Filament / Heater
Heater NotesApproximate voltage range for thermocouple heater
Absolute Maximum Ratings
Audio Performance
Key Features
- Thermocouple type vacuum gauge
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Calibration | — | — | — | — | 70 mA |
Application Notes
Measured from bulb end to bulb-top line as determined by ring gauge of 1/2" I.D. Brown heater lead should be connected to positive terminal of DC heater supply.
0 results