
Tube-number record
11BQ11
0 archive entries
11BQ11 is a tube type in the TubeDatabase archive (class: Dissimilar Double Pentode). Recorded specifications: brand General Electric, year 1965, construction Pentode, base Button, socket Compactron, maximum plate voltage 330 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassDissimilar Double Pentode
BaseCompactron
Filament11.2 V @ 0.45 mA
Construction
Primary TypePentode
EnvelopeT-9, Glass
Base MaterialButton
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesHeater current centered at bogey value with restricted variations.
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 (Remote-cutoff) | 125 V | 8400 | 200000 | — | 13 mA |
| Section 2 (Sharp-cutoff) | 125 V | 13000 | 62000 | — | 11 mA |
Application Notes
Intended primarily for use in the intermediate-frequency amplifier stages of television receivers.
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