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#12단계의 변경 사항

Jeff Suovanen- 에 의해 수정

편집 승인됨 완료자 Jeff Suovanen

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변경 사항이 없습니다

단계 라인

-[* black] Finally: a seam we can't ''seem'' to beat. We fire up the hacksaw (and our [https://www.amazon.com/Honda-Electronics-ultrasonic-cutter-USW-334/dp/B005QFWCQO/|ultrasonic cutter|new_window=true]) and release the (super beefy) woofer.
- [* black] If the magnet on this woofer seems big for a speaker this size, that's because it is. Deep, dramatic bass notes depend on a speaker's ability to [https://www.modernspeakers.com/blogs/speakers/back-to-the-basics-the-physics-of-speakers|move lots of air|new_window=true].
+[* black] Finally: a seam we can't ''seem'' to beat. We fire up the hacksaw (and our [https://www.amazon.com/Honda-Electronics-ultrasonic-cutter-USW-334/dp/B005QFWCQO/|ultrasonic cutter|new_window=true]) and release the super beefy woofer.
+ [* black] If the magnet on this woofer looks big for a speaker this size, that's because it is. Deep, dramatic bass notes depend on a speaker's ability to [https://www.modernspeakers.com/blogs/speakers/back-to-the-basics-the-physics-of-speakers|move lots of air|new_window=true].
[* icon_note] While that's traditionally done by increasing the [https://en.wikipedia.org/wiki/Diaphragm_(acoustics)|cone's|new_window=true] diameter, Apple instead increased the travel of the [https://electronics.howstuffworks.com/voice-coil-speaker.htm|voice coil|new_window=true] (to 20 mm p-p in this case), which in turn requires a bigger magnet. That way the speaker diameter stays small, but it can still move enough air to deliver quality bass notes.