<acronym id="ico60"><center id="ico60"></center></acronym>
<acronym id="ico60"></acronym>
<rt id="ico60"><center id="ico60"></center></rt>
<acronym id="ico60"></acronym>

NEWS
Knowledge

Knowledge
Location:Home > News > Knowledge

  • But why use the speakers instead of directly to the speaker to listen to the sound?
    2015-04-11
    We know that the speaker's vocal components are speakers, but why use the speakers, rather than directly take the speaker to listen to?
    Speakers of the reason of the existence of the box to, mainly in order to prevent the front side and the back side of the loudspeaker diaphragm acoustic signal directly to form a loop, resulting in only small wavelength of high frequency sound can spread out, and other voice signal is superimposed offset.
  • Speaker purchase skills
    2015-04-11
    For a pair of speakers to understand initially available "view, weigh in hand, knocking, recognize steps to identify: a process view, second weigh weight, three knock box, four brand recognition.
    A process is from first as speaker appearance to judge the time and quality: with natural wood Seiko create speakers, of course, the best, many high price level of the world famous supreme speakers, including Italian Chario (Chario), Guarneri homage (Ming Qin) and so on, but the box because of the environmental protection and the difficulty of processing technology of resource scarcity. Long time will not be adoption like everywhere visible "Rejoice" shampoo, the price is certainly not low. So common speakers are to MDF MDF surface deposited with a thin layer of veneer decoration: apply true veneer Seiko exterior speakers, especially if Suanzhi, birdseye, pear, walnut, Phoebe Zhennan, red oak and rare wood, its natural wood grain visually stunning, feel creamy comfort. Especially with symmetrical butterfly pattern true veneer multi-layer coated complex grinding piano lacquer person, most of them are visible in high-end boutique speakers, counterfeit products is very few. PVC (Sapele veneer plastic) box is popular, although the fine workmanship, best cheap goods. And to wood grain paper veneer decoration box although it looks very should pay more attention to the box body behind stick skin seams and horn mounting a dig rolling process is accurate place. Fake and inferior products generally do not pay attention to these details, and thus a little bit to correct judgment.
  • Speaker maintenance
    2015-04-11
    Sound box is the important part of the whole sound system, the value of the whole system is about half so that it must be properly treated.
    To avoid placed in direct sun exposure in the place, don't get too close to the thermal radiation equipment, the fiery furnace, heating pipes and so on, also do not placed in damp places.
    Before connecting the sound box to the amplifier, the power supply of the amplifier should be cut off to avoid damaging the speaker.
    And the feeder connection with the amplifier should be safe, when the pull can not fall, positive and negative polarity can not be picked up. The feeder of the connecting loudspeaker should be thick enough, not too long, lest cause loss and make the damping go bad.. The maximum length of 0.5dB (21m lead is 9cm, the maximum length of 1.5mm2 lead is 14m, the maximum length of 2.0mm2 conductor is 0.75mm2.
    It should pay attention to whether the speaker's impedance amplifier for the recommended value
  • Development history of sound box
    2015-04-11
    Since the dawn of human dream, we always try hope that one day I can leave the sounds of nature, hidden in the bosom, even will they repeat playback. The hope to try to finally got his wish is human in electric and acoustic exploration gradually worked, gradual growth process.
  • OEM(Original Equipment Manufacturer)發展優勢
    2015-04-11
    OEM(Original Equipment Manufacturer)方式在制造業界,特別是在飛速發展的信息產業行業應用是極其廣泛的。例如,據全球權威的統計機構IDG(International Data Group)統計,全球個人計算機廠商所使用的硬盤95%以上是由Seagate,Quantum及Western Digital這三家大的硬盤供應商,以OEM方式提供的。之所以能夠得到廣大應用的原因,是他適應了進入90年代后全球科技飛速發展所帶來的新競爭形勢的需要。OEM方式以其靈活,有效經營的特點,適應了這種新形勢的發展,從而得以廣泛應用。
共1 頁 頁次:1/1 頁<<<1>>>
我与么公激情性完整视频在线观看,被十几个男人扒开腿猛戳,男女无遮挡猛进猛出免费视频,夜夜爽妓女8888视频免费观看日本乱人伦AⅤ精品 无码AV大香线蕉伊人久久 国产精品极品美女自在线观看免费 色婷婷综合久久久久中文 色婷婷综合久久久久中文 久久WW精品W免费人成 天天操天天干 幻女BBWXXXX呦女 欧美 国产 综合 欧美 视频 邻居少妇下面好紧好多水真爽 午夜精品久久久久9999 92国产精品午夜福利无毒不卡 久久99精品久久久久久国产 绅士日本工口生肉全彩里番大全 亚洲色成人WWW永久在线观看 无码AV大香线蕉伊人久久 幻女BBWXXXX呦女 最刺激的乱惀小说目录 少妇被又大又粗猛烈进出视频 午夜精品久久久久9999 真人作爱试看120分钟30 又黄又湿啪啪响18禁男男 啊灬啊别停灬用力啊岳 欧洲熟妇牲交XXXXⅩ欧美老妇 久久国产精品99久久久久久 男吃奶玩乳尖高潮视频午夜 久久综合九色综合欧美就去吻 GOGO西西人体大尺寸大胆高清 试看120秒男女啪啪免费 色欲色香天天天综合VVV