Tube-number record
1P37
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BrandRCA
ClassGas Phototube
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeT-8
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage100 V
Cathode Current0.01 mA
Audio Performance
Key Features
- Blue Sensitive
- Side-on type
- Dwarf shell small 4-pin base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Gas Phototube Operation | 90 V | — | 2500000 | 5.5 | 0.00005 mA |
Application Notes
On plane perpendicular to indicated direction of incident light. Averaged over any interval of 30 seconds maximum.
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