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The is a classic HF amateur radio transceiver, widely recognized as the European-market version of the Yaesu FT-200 and also sold in the U.S. as the Henry Radio Tempo One . Produced in the late 1960s and early 1970s, it is a hybrid design using both vacuum tubes and semiconductors. Key Specifications
The FT-250 is a hybrid-style transceiver, primarily using vacuum tubes for its power amplification and signal processing, which gives it a "warm" audio characteristic preferred by many purists.
Being a hybrid, many of its components are discrete, making it easier to repair than early all-solid-state rigs.
Scratchy audio, intermittent signal loss, or erratic band switching are almost always caused by oxidation on the internal wafer switches and potentiometers. A thorough cleaning with a high-quality electronic contact cleaner (such as DeoxIT) usually solves these issues. 4. VFO Drift
The transceiver unit itself weighs roughly 17.5 pounds (8 kg), with a matching heavy iron power supply unit weighing even more. Anatomy of the FT-250: Hybrid Design
: Features an analog dial with 1 kHz divisions for accurate manual tuning across all bands. Standard Features & Controls