Tube-number record
21GVP22
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BrandRCA
ClassColor Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 1900 mA
Construction
Primary TypeDisplay / CRT
Envelope70° Round
Sections3
Filament / Heater
Heater NotesHeater of each gun parallel connected within tube
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage1000 V
Grid 1 Voltage400 V
Cathode Current1 mA
H-C Voltage200 V
Audio Performance
Key Features
- New Rare-Earth (Red) Phosphor
- HI-LITE Screen
- 70° Magnetic Deflection
- Antiglare Integral Protective Window
- Aluminized Tricolor Phosphor-Dot Screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Color Operation | 25000 V | — | — | — | 1 mA |
Application Notes
Shielding for X-radiation may be needed as anode voltages can reach 27.5 kV. The grid-No.3 circuit resistance should not exceed 7.5 megohms.
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