Tesla T254

This small radio was manufactured using the remains of a war production of the Telefunken 2B54GWK or Siemens 11GW export type. Locktal tubes are used instead of the original steel tubes, only the rectifier tube is of the original type. The older series have metal rings that hold the tube sockets in the holes for the original sockets, which are larger. Newer series use a modified chassis with smaller holes. The radio uses a field-coil speaker, this was already an outdated element. The output stage has a feedback circuit that provides quite good sound.