Tube-number record
26DB13
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26DB13 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Philips, construction Display / CRT, and maximum plate voltage 24000 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassCathode Ray Tube
Construction
Primary TypeDisplay / CRT
Envelope13 cm
SectionsSingle-gun
Filament / Heater
Absolute Maximum Ratings
Plate Voltage24000 V
Audio Performance
Key Features
- Spiral post-deflection accelerator
- Low raster distortion
- Lead glass shielding for X-rays
- Reduced charging effects
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 24000 V | — | — | — | 0.01 mA |
Application Notes
The 26DB13 is a 13 cm oscilloscope tube designed for a post-acceleration voltage of 24 kV. It is structurally similar to the DH 13-78 but features a modified spiral to reduce raster distortion and charging effects at high voltages.
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