最近比較有空，稍微摸索測試了一下 我的型號是Pro 24 DSP mic pre的強度的確有點偏弱 不做任何處理的話接上SM58錄Vocal時Gain都要開滿大的 (9-9.5) 目前我的解決方法是在內建效果裡的Comp可以調整output level 這邊拉高一點，訊號就可以輕鬆到達-0.3 而且因為我的是Pro 24 DSP，所以用內建效果時監聽不會delay 還有一個方法就是在DAW裡面調整 可以在DAW裡把錄音軌的音量Gain拉高 這招就算interface裡沒有內鍵dsp晶片也可以用 爬文發現一般都是推薦這作法 經過測試後這招的確是很ＯＫ的 現在對我來說最大的問題是 如果要接高阻抗耳機(數百歐姆)可能要另外買耳擴 不過目前只有這小缺憾，我目前的耳機K240s也快樂服役中 最多就以後挑耳機記得看一下阻抗 跟它的功能還有價格相比，這小缺憾讓我感覺就不是那麼重要了 ※ 引述《haiaku (英倫時光)》之銘言： : ※ 引述《ntuguy (ya)》之銘言： : : 雖然說現在的錄音介面也堪用，但如果沒有重大問題 : : 我是很願意購買的 : : 但很奇怪的，有兩點真的讓我無法接受 : : (1)當我把電容mic插到Saffire PRO 14號稱獲獎的麥克風前級 : : 居然推不動，我把錄音介面的gain調到80% : : 錄進cubase都還只有一點點訊號而已 : : 如果我把gain調到90%以上，似乎又有些雜訊了 : : 意味者我錄音時必須費力唱很大聲才能錄到足夠清楚的聲音 : : (2)他是用phone-jack接頭接到監聽喇叭 : : 送出的訊號比我現在用RCA接頭的弱了不少 : : 意味著我播音樂時要把volume的旋鈕開很大 : : 才可以有足夠大的播放效果。 : : 恩，新出產的機器，不是應該錄音放音更敏銳有power嗎? : : 為什麼這台Saffire PRO 14使用起來會有上述的嚴重缺點呢? : 第二點我沒試過，但他的耳擴是不太夠力的如果你要推高阻抗耳機(數百歐姆) : 而且IMO，低頻有點太多 : 不過我的pro 24好像有同軸輸出，應該可以用這接speaker : 同軸跟一般的phone jack的測試之後我有錢買監聽喇叭時會再測試看看 : 第一點的mic pre，我爬一些國外的review後發現 : 他的mic pre只有大概+55db左右 : 不過這樣的設計還是有處理方法 : 摘錄其中一段我覺得寫的很有道理的 : 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. : 當然如果mic pre可以gain一點的話是更好啦... : 不過這樣的設計應該也還在OK的範圍就是 : 另外這是Focusrite官網回應： : 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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