Tube-number record
SP13
0 archive entries
SP13 is a tube type in the TubeDatabase archive (class: HF Pentode). Recorded specifications: brand Mullard, construction Pentode, maximum plate voltage 200 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassHF Pentode
Filament13 V @ 200 mA
Construction
Primary TypePentode
EnvelopeMetallised
SectionsSingle
Filament / Heater
Warm-up Time60s
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation1 W
Grid 2 Voltage100 V
Cathode Current6 mA
H-C Voltage125 V
Audio Performance
Key Features
- Metallised bulb
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R.F. Amplifier | 200 V | 2200 | 1300000 | 3000 | 3.3 mA |
| L.F. Amplifier | 200 V | — | — | — | — |
Application Notes
For use in D.C./A.C. receivers, and for car radio, as an R.F. amplifier, detector or L.F. amplifier.
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