Tube-number record
11A.2
0 archive entries
11A.2 is a tube type in the TubeDatabase archive (class: Double Diode Triode). Recorded specifications: brand Brimar, construction Multi-section, socket 7-pin (non-miniature), and maximum plate voltage 200 V. The archive does not yet hold a photographed example of this type.
BrandBrimar
ClassDouble Diode Triode
Base7-pin (non-miniature)
Filament4 V @ 1000 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections3
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage200 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100 V | 2800 | 18000 | 50 | — |
Application Notes
Designed for performing simultaneously the functions of automatic volume control, detection and amplification. Full-wave or half-wave rectification together with delayed A.V.C. or delayed and amplified A.V.C. may be employed.
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