Tube-number record
1AH4
0 archive entries
1AH4 is a tube type in the TubeDatabase archive (class: PENTODE). Recorded specifications: brand TUNG-SOL, year 1953, construction Pentode, base GLASS, socket Subminiature, and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassPENTODE
BaseSubminiature
Construction
Primary TypePentode
EnvelopeT2x3 GLASS BULB
Base MaterialGLASS
SectionsSINGLE
Filament / Heater
MaterialCOATED
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A, AMPLIFIER | 45 V | — | — | — | — |
| CLASS A, AMPLIFIER | 67.5 V | 750 | 2000000 | — | 0.75 mA |
Application Notes
THE 1AH4 IS A FILAMENT TYPE, FULLY SHIELDED, SUBMINIATURE PENTODE DESIGNED FOR SERVICE IN RF APPLICATIONS REQUIRING ECONOMY OF SPACE, WEIGHT, AND BATTERY DRAIN.
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