Tube-number record
1AH5
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1AH5 is a tube type in the TubeDatabase archive (class: Diode-Pentode). Recorded specifications: brand Philips, construction Multi-section, base Glass, socket Miniature 7-pin (B7G), maximum plate voltage 90 V, and maximum plate dissipation 0.03 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassDiode-Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypeMulti-section
EnvelopeGlass T5-1/2
Base MaterialGlass
Sections2
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation0.03 W
Grid 2 Voltage90 V
Grid 1 Voltage-0.2 V
Cathode Current0.25 mA
Audio Performance
Typical THD1.2%
Key Features
- Low microphony
- Battery operation
- Resistance-coupled amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Resistance-coupled amplifier (64V supply) | 64 V | — | — | 52 | 0.032 mA |
| Resistance-coupled amplifier (85V supply) | 85 V | — | — | 62 | 0.05 mA |
Datasheets
Datasheet: 1AH5.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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