21ACP4
0 Tubes in archive
BrandGeneral Electric
ClassCathode-Ray Tube
BaseSmall-Shell Duodecal 5-Pin (B5-57)
Filament6.3V @ 610mA
Construction
Primary TypeGlass, Rectangular
EnvelopeC171 Exp. 2
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- 90-Degree Deflection Angle
- Gray Faceplate
- Ion-trap gun
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 16000V | - | - | - | - |
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