Battery Pack for Farm Radios
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- Опубликовано: 8 сен 2024
- Here is a look at the battery pack I built for use with vintage battery operated tube radios commonly known as Farm Radios. The battery pack produces 1.5 volts for the tube filaments and 75 volts for B+ tube power. The pack should provide 30 hours of radio operation before the 9V cells weaken. The video ends with a surprise visit from a good friend who then steals the show.