Tube-number record
DB 13-11
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ClassCathode Ray Tube (CRT)
Construction
Primary TypeDisplay / CRT
EnvelopeGlass (Lead glass shielding recommended)
SectionsSingle gun
Filament / Heater
Absolute Maximum Ratings
Plate Voltage24000 V
Audio Performance
Key Features
- Post-acceleration
- Extra getter shielding
- Lead glass shielding required for X-ray protection
- Saba-Sealer insulation for repair/reconditioning
- B-scherm (B-screen)
Application Notes
The DB 13-11 is a variant of the DH 13-78 intended for a post-acceleration voltage of 24 kV. Due to X-ray emission at voltages up to 27 kV, lead glass shielding is required. Pins 8 and 9 separator removal mentioned to prevent arcing.
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