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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

SRL/W 314

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BrandVEB Werk für Fernsehelektronik Berlin
ClassTransmitting Triode
BaseSpecial / none

Construction

Primary Type
Triode
EnvelopeGlass-Metal
Sections1

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage10000 V
Plate Dissipation12000 W
Cathode Current25000 mA

Audio Performance

Power Output28000 W
Key Features
  • Air and Water cooling
  • Thoriated tungsten cathode
  • Industrial HF generator use
  • Communication technology use

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF-Verstärkung B-Betrieb (Wasser)10000 V2300060333600 mA
HF-Verstärkung B-Betrieb (Luft)6000 V2300060332800 mA
Selbsterregung C-Betrieb (Wasser)10000 V———3800 mA
Anodenspannungsmodulation6000 V———2800 mA

Application Notes

Heater must be switched on in stages because inrush current must not exceed 300A. Connection of the second grid lead is recommended even in medium-wave operation for better heat dissipation. In industrial generators with varying loads, grid current limiting resistors (incandescent lamps) are recommended.

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