Tube-number record
MULTIPLIER PHOTOTUBE
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MULTIPLIER PHOTOTUBE is a tube type in the TubeDatabase archive (class: Phototube). Recorded specifications: brand RCA, year 1958, construction Multi-section, base Non-hygroscopic, socket Magnal, and maximum plate voltage 1250 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPhototube
BaseMagnal
Construction
Primary TypeMulti-section
EnvelopeFused-Silica Section with Graded Seal
Base MaterialNon-hygroscopic
Sections9-stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1250 V
Grid 2 Voltage250 V
Cathode Current0.5 mA
Audio Performance
Key Features
- 9-stage multiplier
- UV radiation detection
- S-19 response
- Fused-silica section
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Multiplier Operation | 1000 V | — | — | 1000000 | 0.000002 mA |
Application Notes
For detection and measurement of ultraviolet radiation. Average anode current should be kept well below 0.5 mA for stability.
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