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What's An Acoustic Phonograph

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The Victor devices inside the acoustic period had been all dependant on the flat disc design on the Berliner. Utilizing the lateral Lower technique, the discs are explained to revolve at 78 RPM. Since the grooves are tracked via the needle, vibration turns into mechanically coupled in the soundbox. The http://www.fanfiction.net/~Joshua4e54pve2

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