Tube-number record
B30 M1
0 archive entries
B30 M1 is a tube type in the TubeDatabase archive (class: Bildröhre (Picture Tube)). Recorded specifications: brand VEB Werk für Fernmeldewesen, year 1956, construction Other / special, base Glass, socket Octal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandVEB Werk für Fernmeldewesen
ClassBildröhre (Picture Tube)
BaseOctal
Filament6.3 V @ 500 mA
Construction
Primary TypeOther / special
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
MaterialIndirectly heated
Warm-up Time60s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Television Receiver | 10000 V | — | — | — | 0.03 mA |
Application Notes
Observe power-on sequence: Heater voltage first, then Anode voltage. Power-off: Anode voltage first, then Heater. Max bulb temperature 80°C.
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