1P22
0 Tubes in archive
BrandRCA
ClassMultiplier Phototube
BaseSmall-Shell Submagnal 11-Pin
Construction
Primary TypeMultiplier Phototube
EnvelopeT-9
Base MaterialNon-Hygroscopic
Sections9-stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1250 V
Grid 2 Voltage250 V
Cathode Current1 mA
Audio Performance
Key Features
- 9-Stage Multiplier
- Side-on Type
- Opaque Cathode
- High Sensitivity to Green-and-Blue Rich Light
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 100 Volts per Stage | 1000V | - | - | 200000 | 0.00025mA |
| 75 Volts per Stage | 750V | - | - | 30000 | - |
Application Notes
Especially useful in colorimetric and spectroscopic applications. Dark current due to thermionic emission may be reduced by the use of refrigerants.
Sort by
Showing 1 to 0 of 0 results