Tube-number record
A59-13W
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BrandBrimar
ClassCathode Ray Tube
BaseCRT base (B8H)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Twin Panel, Tinted Grey Glass
Sections1
Filament / Heater
Heater NotesConnected at chassis end if used in series chain
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage700 V
H-C Voltage250 V
Audio Performance
Key Features
- Twin Panel
- Aluminised Screen
- Electrostatic Focus
- Magnetic Deflection
- Short Neck
- Straight Gun non-ion trap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Modulation | 18000 V | — | — | — | 0.35 mA |
| Cathode Modulation | 18000 V | — | — | — | 0.35 mA |
Application Notes
X-ray radiation shielding may be necessary if operated above 16kV. Tubes with B8H sparkguard base have suffix S.
Datasheets
Datasheet: A59-13W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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