Gold Star BM-709 “Super Silicon Solid State” AM Transistor Radio, South Korea, c. 1966 From the Collection of a Radio Shop Owner. In excellent tested and working condition – No reserve. A highly attractive and increasingly collectible Gold Star BM-709 “Super Silicon Solid State” AM transistor radio, manufactured in South Korea during the late 1960s. This charming portable receiver represents an important period in consumer electronics, when silicon transistor technology replaced older germanium components, delivering improved reliability, stability, and reception quality. Produced by Gold Star Co., Ltd. — the company that would later become the globally renowned LG Electronics — this model reflects the optimistic industrial design language of the era, featuring a striking two-tone cabinet, large integrated carrying handle, chrome control knobs, and an elegant full-width tuning scale. The radio operates on the Medium Wave (AM) band and is equipped with seven transistors, a common mark of quality in portable radios of the period. Its clean geometric appearance and distinctive “Super Silicon Solid State” branding make it both a functional vintage radio and an appealing display piece for collectors of early Korean electronics. This example comes from a carefully preserved private collection and remains in remarkably well-preserved near mint condition. Condition Tested and working Excellent reception and tuning performance Battery compartment exceptionally clean Cabinet remains very clean with minimal signs of age Front dial, controls, and grille in superb condition Near mint overall appearance No cracks, repairs, or significant damage observed A wonderful collector-grade example Technical Specifications Manufacturer: Gold Star Co., Ltd. (later LG Electronics) Model: BM-709 Country of Origin: Republic of Korea (South Korea) Period: circa 1966 - late 1960s Type: Portable transistor radio Band: AM / MW (540–1600 kHz) Transistors: 7 Power Supply: 4 × 1.5V D-cell batteries (6V DC) Controls: Volume/Power, Tone Selector (Loud–Low–High), Tuning Carrying Handle: Integrated folding handle Dimensions & Weight Approximate dimensions: 17 x 32 x 15 cm (h x w x d) Approximate weight: 1.4 kg Historical Context Gold Star was one of South Korea’s pioneering electronics manufacturers and played a significant role in the country's emergence as a global technology powerhouse. Radios such as the BM-709 were produced during a transformative period when transistor technology revolutionized home entertainment, making portable radios more reliable, affordable, and accessible. Today, early Gold Star products are increasingly sought after as tangible examples of the origins of modern LG Electronics. Shipping The radio will be carefully packed using professional protective materials to ensure safe international delivery. Disclaimer Fully functional, but as with all vintage electrical items, a safety check by a qualified professional is recommended before use.