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| [* black] With the tweeter assembly open, we get a better picture of the vented, horn-loaded tweeter that gives the HomePod its "precise" sound. | |
| [* icon_note] The vents on the sides of the [https://en.wikipedia.org/wiki/Voice_coil|voice coil|new_window=true] bobbin and the four holes at the rear of the tweeter prevent air pressure from building up behind the tweeter dome as it moves. | |
| [* icon_note] [http://sonicsynergy.blogspot.com/2014/06/vented-tweeter-explained.html|Reduced pressure|new_window=true] saves the dome—and the music—from distorting while the tweeter moves back and forth several ''thousand'' times each second. | |
| [* icon_note] The tiny folded [https://en.wikipedia.org/wiki/Horn_loudspeaker|horn|new_window=true] at the front of the tweeter is trick that audio design engineers use to increase a speaker's efficiency and control the direction of its sound. It's the same concept used in the [https://en.wikipedia.org/wiki/Phonograph|gramophone|new_window=true]. | |
| - | [* black] As we take a closer look, we can't help but wonder if the tweeter domes might secretly be made of [http://www.bowers-wilkins.com/Discover/Discover/Technologies/Diamond_Tweeters.html|diamond]. Any answers for us Dr. Geaves? |
| + | [* black] As we take a closer look, we can't help but wonder if the tweeter domes might secretly be made of [http://www.bowers-wilkins.com/Discover/Discover/Technologies/Diamond_Tweeters.html|diamond|new_window=true]. Any answers for us Dr. Geaves? |