Tube-number record
7029
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BrandRCA
ClassMultiplier Phototube
BaseSpecial / none
Construction
Primary TypeMulti-section
EnvelopeT12
Base MaterialNon-hygroscopic
Sections10-stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1250 V
Cathode Current0.02 mA
Audio Performance
Key Features
- 10-Stage
- Dormer-window type
- Semi-transparent cathode
- Reflective substrate
- S-17 Response
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Photomultiplier Operation (E = 1000V) | 1000 V | — | — | 320000 | — |
Application Notes
Operating stability is dependent on the magnitude of the anode current and its duration. Use of an average anode current well below 20 microamperes is recommended for stability.
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