Tube-number record
ECC 8025S
0 archive entries
ECC 8025S is a tube type in the TubeDatabase archive (class: Twin Triode). Recorded specifications: brand AEG, construction Triode, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.75 W. The archive does not yet hold a photographed example of this type.
BrandAEG
ClassTwin Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirectly DC or AC heated, parallel connection
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measured values per system | 250 V | 2200 | 7700 | 17 | 10.6 mA |
Application Notes
End of life reached when plate current drops below 7 mA or transconductance drops below 1500 µmhos.
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