Tube-number record
1561
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ClassHigh-vacuum FULL-WAVE RECTIFIER
Construction
Primary TypeVacuum
Rectifier Typefull-wave
Envelopeglass
Sectionsbi-anode
Filament / Heater
Materialdirect
Absolute Maximum Ratings
Plate Voltage500 V
Cathode Current160 mA
Audio Performance
Key Features
- High-vacuum
- Directly heated
- Parallel supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 300 V | — | — | — | 160 mA |
| Typical Operation 2 | 400 V | — | — | — | 140 mA |
| Typical Operation 3 | 500 V | — | — | — | 120 mA |
Application Notes
Operating characteristics specified for 2x300V, 2x400V, and 2x500V RMS inputs.
Datasheets
Datasheet: 1561.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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