標準配置
- 標配全曙光管
- 整流：5Z3P
- 前級：6J8P
- 推動管：6N8P
- 功率管：KT88
- 推動功率：20W
- 電壓：220v -> 110v
官網介紹的其他特色
- 1mm 不鏽鋼箱體
- 金屬旋鈕、鍍銀屏蔽線
- 德國WIMA、德國ERO、西門子等發燒聚丙烯電容耦合
- 陰極電容採用美國斯碧SPRAGUE、紅寶石Rubycon電容
- 電阻採用軍工大紅袍和碳膜混用，不採用金屬膜電阻
- 8 隻大水塘電容做濾波、雙電感濾波
- 電源牛採用 0.35 薄片進口 Z11 鐵芯 114mm* 疊厚 60mm。
- 輸出牛採用 0.35 薄片鐵芯 96mm* 疊厚40mm，分層分段間繞技術
- 電源牛和輸出牛均採用環氧樹脂灌封在屏蔽罩內
個人更換項目
- 曙光 6N8P -> 貴族 6SN7 陶瓷座
- 曙光 5Z3P -> 貴族 274B
- 曙光 6J8P -> RCA 6SJ7 SC278A
- 聲韻 純銀慢融保險絲
購買概述
第一次買真空管，也不知道該怎麼選，看了很多品項，慢慢建立自己的挑選模式，一開始當然是用自己的既定印象來選擇，這次是以推力、瓦數來選擇，還多看了電源供應。
最初是想要購買 PrimaLuna 的機器，但是要價十幾萬，又是第一次買真空管，想一想還是先買台十分之一左右的管機來試水溫，逛了逛淘寶，中國的規模經濟真厲害，可以把價格壓這麼低。
我對基本電學，可說是完全不暸解，只知道好的機器電容都很多，所以會先看看介紹頁面有沒有貼內部的照片，零件數量夠多、電容夠大，好像有聽過這些零件的牌子，就把他加入比對清單。
再來家裡有一台單端 EL34* 了，所以想找其他類型的管機，聽聽不同音色，印象中 KT88 也是耳熟能詳的型號，就從這方面去找，看了一些文章說推挽會影響音質，可是我第一次買又怕買太小推不動，後來看到單端並聯這個產品，各方面都滿足我的需求，所以選擇了這款擴大機。
* 型號是 Unison Research Simply Two，上面有金色的名牌，不過是我爸的，在接觸音響前對家裡這些器材都不是很了解，只知道家裡也有這類型的機器，管子上面寫著 EL34，直到自己想買才仔細看了一下他的牌子。
在網路上看好像沒有很大台，以為只有一台筆電的大小，物流送到後，比家裡那台單端大了一倍，加上包裝後將近 30 公斤的重量，運費花了 1300 多，最可怕的是第一次拿這麼重的東西，花了好大力氣才把它放到架子上。
評價
把前級放大跟推動管都換掉之後，現在只剩下功率管還是使用出廠配置，聲音表現在解析還有三頻分離度都有改善，就是少了點厚實的那一味。
價格算是他的優勢，用料沒有很高級，但是該做的都有做到，作為管機入門還不錯，音量大概轉到 兩點鐘位置 就是推力的極限，再往上轉喇叭感覺會承受不了，而且聲音有失真感。
測了三個書架喇叭，中高頻表現中等，在可以接受的水平，低頻表現不錯，在一定的音量下，很有氣勢，能量充沛，不過再往下的極低頻，下不去，小音量的時候聲音略為扁平，音場表現取決於喇叭特性，他有展現出來包圍感，但是定位不夠清楚。
如果聽的音樂類型小品樂器、人聲居多，使用 EL34 體驗會比較好，想聽流行音樂、擊鼓聲，適合用 KT88。
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