Micronic Ruby - SR-H438 Portable radio





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Description from the seller
Vintage portable Standard Micronic Ruby SR-H438 radio, manufactured in Japan during the 1960s. It is a pocket-sized model from the golden age of Japanese transistor receivers, equipped with 8 transistors, which represented an advanced and highly miniaturized design for its time.
Main features:
• Brand: Standard
• Model: SR-H438 Micronic Ruby
• Production: Japan
• Era: approximately 1965–1968
• AM radio receiver (medium wave)
• 8-transistor technology
• Includes original earphone
Original power supply
This model was designed to operate with two 1.35 V mercury batteries (PX625/MR-9 type or era-equivalent). These batteries stopped being manufactured years ago due to environmental restrictions on mercury usage. For that reason, the radio has not been tested.
Seller's Story
Vintage portable Standard Micronic Ruby SR-H438 radio, manufactured in Japan during the 1960s. It is a pocket-sized model from the golden age of Japanese transistor receivers, equipped with 8 transistors, which represented an advanced and highly miniaturized design for its time.
Main features:
• Brand: Standard
• Model: SR-H438 Micronic Ruby
• Production: Japan
• Era: approximately 1965–1968
• AM radio receiver (medium wave)
• 8-transistor technology
• Includes original earphone
Original power supply
This model was designed to operate with two 1.35 V mercury batteries (PX625/MR-9 type or era-equivalent). These batteries stopped being manufactured years ago due to environmental restrictions on mercury usage. For that reason, the radio has not been tested.

