Tube-number record
1237
0 archive entries
1237 is a tube type in the TubeDatabase archive (class: RF Pentode). Recorded specifications: brand General Electric Co., construction Pentode, socket Loctal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric Co.
ClassRF Pentode
BaseLoctal
Filament12.5 V @ 150 mA
Construction
Primary TypePentode
EnvelopeMetal
Sectionssingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage160 V
Audio Performance
Key Features
- Remote Cut-off
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 250 V | 2000 | 800000 | — | 9.5 mA |
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