Tube-number record
ECC804
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BrandBrimar
ClassGeneral Purpose Twin Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesAC or AC/DC television receivers
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
H-C Voltage150 V
Audio Performance
Key Features
- Identical characteristics
- Unrestricted mounting position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 200 V | 3400 | — | 18 | 10 mA |
Application Notes
The permissible anode dissipation rating is a function of the grid to cathode resistance and circuit employed. The potential of the internal shield must not be positive to that of either cathode.
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