I was watching the movie “against the ice” and they had a record player in 1909 deep in Greenland with 0 electricity, but the record player still played. I understand that it’s a movie, but I can’t see them just having a place with no electricity playing a record player. Do these actually exist? And if so, how?
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the groove carved in the record *is* the vibrations from the recorded sound. the needle rides in the groove and that causes it to vibrate.
from there, it’s just a matter of making it loud enough to hear. old phonographs would have the needle attached to a diaphragm , and the diaphragm projected the sound outward through the horn.
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