瞭解音箱中的分音器

在揚聲器中,有一個很不起眼的部件,說它不起眼,是因為在揚聲器的表面上根本找不到它,一般人除了想深入瞭解揚聲器的外,也幾乎沒有關注它的時候。而揚聲器離開了它,又根本無法工作,它就是分音器。

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認識耳機阻抗

耳機的阻抗是其交流阻抗的簡稱,是指在具有電阻、電感和電容的電路中,對交流電所起的阻礙作用叫做阻抗,單位為歐姆(Ω)。一般來說,阻抗越小,耳機就越容易出聲、越容易驅動。

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欣賞史上最著名的十首進行曲

沒有任何一首音樂作品可以像進行曲那樣振奮人心。當金鼓號角齊鳴的時候,噴薄而出的氣勢是那麼的不可抵擋,樂器光澤奪目而具有穿透力;當音樂轉入低回婉轉的曲段時,管弦樂又是那麼的柔和、細潤、悠揚,一如滑翔在陽光照耀的水面,有著純淨和翩然的美感,讓人心醉神迷。事實上,這種起源於軍隊,用於鼓舞士氣、激勵鬥志的音樂早已遍及古典音樂作品之中,經過藝術的潤色後,它們不僅威武昂揚,而且華麗優美,聽後讓人精神隨之振奮。

今天將與大家共同欣賞十首世界最偉大的十首進行曲,感受那前進中最嘹亮的號角!

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Slices a vinyl sausage for cutting records

As a celebration of music and art, stockholm-based graphic designer and musician david rinman has formed ‘cutting records’, a sculpture which traverses the boundaries between media and formats. the sausage-like sculpture resembles a giant salami, tied at the end and encased in a red-hued shell. instead of finding sliced meat on one end, rinman has instead used vinyl disks — 4 which have been already ‘sliced’ off, and one which is being stripped away from the main form with a knife. ‘cutting records’ takes a playful twist on the expression, which comes from the process of engraving grooves on the record’s surface and also is used by DJs when referring to the mixing and scratching of sounds.

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