最近比较有空，稍微摸索测试了一下 我的型号是Pro 24 DSP mic pre的强度的确有点偏弱 不做任何处理的话接上SM58录Vocal时Gain都要开满大的 (9-9.5) 目前我的解决方法是在内建效果里的Comp可以调整output level 这边拉高一点，讯号就可以轻松到达-0.3 而且因为我的是Pro 24 DSP，所以用内建效果时监听不会delay 还有一个方法就是在DAW里面调整 可以在DAW里把录音轨的音量Gain拉高 这招就算interface里没有内键dsp晶片也可以用 爬文发现一般都是推荐这作法 经过测试後这招的确是很ＯＫ的 现在对我来说最大的问题是 如果要接高阻抗耳机(数百欧姆)可能要另外买耳扩 不过目前只有这小缺憾，我目前的耳机K240s也快乐服役中 最多就以後挑耳机记得看一下阻抗 跟它的功能还有价格相比，这小缺憾让我感觉就不是那麽重要了 ※ 引述《haiaku (英伦时光)》之铭言： : ※ 引述《ntuguy (ya)》之铭言： : : 虽然说现在的录音介面也堪用，但如果没有重大问题 : : 我是很愿意购买的 : : 但很奇怪的，有两点真的让我无法接受 : : (1)当我把电容mic插到Saffire PRO 14号称获奖的麦克风前级 : : 居然推不动，我把录音介面的gain调到80% : : 录进cubase都还只有一点点讯号而已 : : 如果我把gain调到90%以上，似乎又有些杂讯了 : : 意味者我录音时必须费力唱很大声才能录到足够清楚的声音 : : (2)他是用phone-jack接头接到监听喇叭 : : 送出的讯号比我现在用RCA接头的弱了不少 : : 意味着我播音乐时要把volume的旋钮开很大 : : 才可以有足够大的播放效果。 : : 恩，新出产的机器，不是应该录音放音更敏锐有power吗? : : 为什麽这台Saffire PRO 14使用起来会有上述的严重缺点呢? : 第二点我没试过，但他的耳扩是不太够力的如果你要推高阻抗耳机(数百欧姆) : 而且IMO，低频有点太多 : 不过我的pro 24好像有同轴输出，应该可以用这接speaker : 同轴跟一般的phone jack的测试之後我有钱买监听喇叭时会再测试看看 : 第一点的mic pre，我爬一些国外的review後发现 : 他的mic pre只有大概+55db左右 : 不过这样的设计还是有处理方法 : 摘录其中一段我觉得写的很有道理的 : The thing is with digital recording, : the level recorded to track doesn't really matter. : In digital, boosting the level in the box, : only boosts the level of what's been recorded, : there's no tape hiss it's boosting as well, : which was why it was so important to get a hot signal on tape. : So the solution for me? : Boost the gain to get the source signal as high as you can : before you the self noise of the pres becomes significant. : If you have to boost the headphone level, : or boost the level via DAW, do it. : Personally, : I would prefer to be able to record a -3db signal, : but if it means recording a noticeable level of noise. : There's no technical reason why it would be bad : to record with your signal peaking at -15 or -10, : because you can just boost it in the DAW with no added noise. : If you can keep your gain setting below 7 or so, : the noise floor is much lower : than anything else I have ever used in the same price range, : and the quality of the audio is much more pleasing as well. : 当然如果mic pre可以gain一点的话是更好啦... : 不过这样的设计应该也还在OK的范围就是 : 另外这是Focusrite官网回应： : The Saffire microphone preamps provide between +10dB and +55dB of gain to the : input signal before the converters. The gain required to obtain an acceptable : signal level will depend on several factors including the input source and : the type of microphone. : For example, signals with a high SPL like those from acoustic drums and : guitar amplifiers aren't likely to require much amplification so it's normal : to set the gain on the lower range. This is particularly true if a sensitive : condenser microphone is utilised. Quiet signals such as vocals will requires : more amplification, particularly if used with a dynamic microphone. : The gain change by the potentiometer isn't linear and it's not unusual to : require setting the gain towards the high extreme to get a reasonable signal : level. The Saffire preamps are designed to sound good at both extremes of the : gain scale as well as everywhere in between so setting the gain on its : highest setting is not anything to be concerned about. -- "Dave wants girl, Dave can't have girl, Dave kills people!" (Mustaine, 1998) --

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