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on axis, off axis, db slope, |
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发表于 21-1-2009 10:48 PM
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回复 20# AudioForce 的帖子
快快去学了回来教我们!~ |
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发表于 22-1-2009 12:43 AM
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来支持AF兄的精华贴。。。
这些资料对新手真的很有用 |
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原帖由 88556 于 22-1-2009 12:43 AM 发表
A preamplifier, also referred to as a preamp,is a device typically used along with sound equipment to help improvethe overall quality of sound. In order to accomplish this, thepreamplifier helps pre ...
大概大概是酱
A preamplifier, also referred to as a preamp,is a device typically used along with sound equipment to help
improvethe overall quality of sound. In order to accomplish this, thepreamplifier helps prepare the main
amplifier, which increases the power and sound of the equipment, for receiving the electronic signal.Through the help of the preamplifier and the main amplifier, the soundis not altered in quality, but it is much louder
preamplifier,也称为preamp,是跟音响器材一起使用来提升整体的音质,preamp用来提升声量
所以音质没有多大的提升,声量便大罢了。。。
我乱来的,不要shoot我。。
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发表于 22-1-2009 02:22 AM
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原帖由 darkshiningg 于 22-1-2009 01:47 AM 发表
大概大概是酱
A preamplifier, also referred to as a preamp,is a device typically used along with sound equipment to help
improvethe overall quality of sound. In order to accomplish this, thepream ... 小弟想给点个人意见...请各位不要 SHOOT 我 ...
Pre Amp 的确能把信号放大, 但是它也可看成是 HU 的输出阻抗 到 POWER AMP 的 输出阻抗之间的 转接器,
没有 Pre Amp , 音响一样可开到很大声,
但是加了 Pre Amp 之后, 声音的输出会更稳定 ...
当然, 这是指 " 电路设计良好 " 的高级 PRE AMP 而言,
这就是为什么高级 Pre Amp 的价钱跟 Power AMP 相差不远的原因了...
( 如果是家用的 Pre Amp, 价钱更接近, 大概是 Power Amp 90% 左右 ) |
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发表于 22-1-2009 08:14 AM
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发表于 22-1-2009 10:09 AM
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原帖由 Monster123 于 22-1-2009 02:22 AM 发表
小弟想给点个人意见...请各位不要 SHOOT 我 ...
Pre Amp 的确能把信号放大, 但是它也可看成是 HU 的输出阻抗 到 POWER AMP 的 输出阻抗之间的 转接器,
没有 Pre Amp , 音响一样可开到很大声,
但是 ...
preamp是将指定的frequency放大声吗?7 band的preamp跟7 band的eq有什么不一样啊? |
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