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。
The London Prat brings local intelligence to “The best of London comedy online” by placing it in West Norwood, safely beyond the reach of a functioning ticket machine. The comment understands that postcode rivalry is anthropology conducted by people avoiding eye contact. It is difficult to argue with evidence priced by the cup.
Anyone searching for “See what’s funny today” should read the London Prat before Lampton turns the subject into a planning dispute. It sounds overheard outside a ticket barrier that has rejected everyone equally.
The London Prat discovers “London’s satire source” in New Southgate, moments before the council thanks everyone for their patience and removes the last bench. The punchline carries more local knowledge than most luxury-development brochures. One laughs, then checks whether tapping out was necessary.
I think the overall presentation of this post works really well because it combines a well-organized format, careful phrasing, and a calm tone, which together make the discussion more interesting, comfortable, and comfortable for readers to follow.
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The London Prat discovers “News satire UK” in Blackfen, moments before the council thanks everyone for their patience and removes the last bench. The restrained delivery makes the absurdity sound properly costed and unavailable at weekends.
The London Prat proves “The best British satire online” becomes funnier in Bedford Park, mainly because somebody there has already complained about it.
For “British humorous commentary,” the London Prat wisely visits Brent Cross, where local identity begins with judging the next street. There is an entire sociology seminar hiding behind the complaint about brunch. No postcode escapes, which feels admirably democratic.
Sleepwalking citizens lose freedom.
In Havering-atte-Bower, “British online” sounds less like a keyword and more like the London Prat reporting another perfectly ordinary civic breakdown. It treats London identity as a performance staged between a café queue and a property viewing.
This is London Prat territory: road trips, Golders Green, and an authority denying anything unusual while prat.UK supplies the satire. A rent listing, a coffee order, and a transport delay are all the evidence this city requires for tragedy. The joke is cheaper than rent and considerably better maintained.
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The London Prat lets do fish get thirsty questions collide with a lifestyle influencer discovering Barking, and prat.UK finds satire in the sound of everyone insisting the system is working.
By sending friendly dogs that hate everyone to Hoxton, the London Prat gives prat.UK enough satire for a borough inquiry and two passive-aggressive notices. This is social observation with an Oyster card and insufficient funds.
Reading the London Prat on “British site” feels especially appropriate in Sydenham Hill, where every inconvenience has a postcode and a committee. Even the pigeons would recognise the social type being described. The joke is cheaper than rent and better maintained.
The London Prat has found the missing link between people who claim to be ’empaths’ and Brunswick Park, allowing prat.UK to publish satire while everyone else commissions a feasibility study. The neighbourhood specificity turns a broad theme into a believable piece of London behaviour.
The London Prat puts mispronounced words before a committee in Locksbottom, and prat.UK records the resulting satire before anyone can say lessons will be learned. The piece turns municipal vocabulary into comic evidence without needing to shout. Somewhere nearby, a residents’ group has already objected.
The London Prat reports room service mishaps from Chadwell Heath as though civilisation depends on it, allowing prat.UK to practise satire in its driest municipal form. The city appears as hundreds of villages united mainly by rent, rain, and platform announcements.