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🇺🇸【 Source Audio 】ZIO Analog Front End+Boost


Source Audio 最新推出了一款全類比的前級效果器 ZIO,由 SHOE Pedal 的老闆 Christopher Venter 共同設計,同時也是數位狂熱者 Source Audio 的第一款全類比效果器。


雖然都算是前級,但 ZIO 和其他模仿音箱前級的效果器用途不太一樣,它的目的是用來放在效果器盤的第一顆並對結他音色做細微的修飾,就像打上一層薄薄的粉底一樣,而不是大幅改變音色。


根據 Sourc Audio 所說,ZIO 的設計目標很簡單,就是「Make Everything Sound Better!」。 ZIO 有著極高的輸入阻抗能夠良好地對應結他的高阻抗輸出,在經過內部的前級修飾音色之後,再輸出強而有力的低阻抗訊號,避免後續的效果器和導線吃 tone。除了線路設計之外,ZIO 還採用了高品質元件和 Burr Brown 制的 OP Amp,確保能給予良好的動態反應、完整的頻率響應和出色的 headroom。




JFET 有著類似真空管音箱的 clean tone,並且失真極低。這一段的音色非常乾淨透明,並且不會增添刺耳的高頻。


正如其名,LOW-CUT 這一段前級能夠砍掉一些非常低的頻率,讓整體聲音更乾淨更緊,並讓結他的聲音能夠跟其他樂器搭配的更好。


STUDIO 這一段模仿了所謂的 "Pultec Trick",一個常見於錄音室的 EQ 技巧。

Pultec 是一款從非常經典的錄音室用 EQ,他特別的地方是高頻跟低頻都能夠在增強的同時又衰減,而因為增強跟衰減的頻率響應曲線不同,所以兩者同時作用時就會互相影響然後呈現出非常特別而復雜的曲線。

在 ZIO 上,STUDIO 這一段前級會稍微衰減一點點模糊的中低頻、輕微地增強中高頻提升存在感,並且加上一個自然的高通濾波移除不必要的低頻,最後就能得到更清楚亮麗的音色。


E-PLEX 這段前級模擬了許多吉他手喜愛的 Echoplex Tape Delay 中前級線路,能夠給予更集中在中頻,並且略臟的複古音色。


在輸出方面,ZIO 能夠提供最多達 20dB 的增益,所以除了用前級修飾音色之外它也是個 Boost 效果器。




The goal in creating the ZIO Analog Front End + Boost was simple yet ambitious: “Make Everything Sound Better!” ZIO is an all-analog preamp/boost pedal that includes a choice of four distinct preamp circuits, each with up to +20dB of additional output boost. ZIO is Source Audio’s first all-analog effects pedal and designed in collaboration with Christopher Venter, the owner and sole engineer at SHOE Pedals. 


ZIO is a deceptively flexible unit that can serve many different purposes at various places in your signal path.  Use it at the front of your chain of effects to shape the rest of your outgoing tone, after your drive pedals as an overall tone sweetener or clean volume boost, or at the the end of your pedalboard to drive a long cable run or as a restorative device to recreate the sound of your guitar going directly into the input of your amplifier.  You can also use the ZIO in your amp's effects loop if you want to drive your power amp even harder, or to compensate for a level mismatch between two channels. 


Source Audio ZIO Analog Front End+Boost


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