Tube-number record
3AMP1
0 archive entries
3AMP1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, socket Duodecal, maximum plate voltage 800 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 330 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage800 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 500 V | — | — | — | 0.0005 mA |
Application Notes
Transparent conductive coating connected to Grid 2 and 4 makes high potential operation possible with reduced risk of picture distortion when touching the face.
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