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The Telefunken S2525/3 HF broadcast transmitter has a frequency coverage of 1.5-30Mhz.

This transmitter is fully solid-state up until the final power amplifier which uses a YL1510 tube.

The Telefunken S2525/3 has the following specifications:

  • 1 Kilowatt continuous output power
  • solid-state (except final stage YL-1510)
  • covers 1.5 - 30 Mhz, synthesized,10 Hz resolution

High overall efficiency
FM like audio performances
AM operation
DRM Compatible transmitter
Redundancy, extreme reliability
User friendly control and monitoring
Remote Controllable for unattended operation
RF out-phasing modulation principle
Fast switching between two operating frequencies (<1 min)
Compact design


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BROADCAST Transmitters Telefunken S2525/3 HF Transmitter