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| [#2023] Quad ESL speaker feikeung, Last time you came, the V73 was not powerful enough to produce the correct timbre of the piano. The V69a is working properly now and the 25W class A will surely make you happier. I think I found what's wrong with the Graaf. Need some skillful work though to take it out of the circuit board. |
cpsjj 正式會員203.xxx.xxx.220 |
2006-11-17 11:38 | |
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| [#2024] Quad ESL speaker Would like to drop by next week to audition your V69a. These unsightly German amps are just awesome and a lot of people are fooled by their physical appearance. |
feikeung 正式會員 211.xxx.xxx.114 |
2006-11-17 14:45 |
| [#2025] Quad ESL speaker feikeung, Just let me know when you will be coming. May be we can get a few friends together and have lunch or dinner. |
cpsjj 正式會員 203.xxx.xxx.60 |
2006-11-18 09:57 |
| [#2026] Quad ESL speaker I should very much like to join if places allow. It must be exciting to see the ESL stark naked. |
limage 正式會員 203.xxx.xxx.40 |
2006-11-19 09:19 |
| [#2027] Quad ESL speaker Dear All, Nice Autumn day to everyone! My Premier One Power amp is fast running out of supply of 6550. I’ve been using GE 6550 ever since day one when it was $100 a piece some 25 years ago. Does anyone have any idea how and where I may get genuine GE 6550s, and how much it is likely to cost? A friend of mine told me that the Tung Sol 6550 from Russia was far superior. I have neither the idea nor experience with this Tung Sol, but the look of it is surely sexy enough. --------------------------------------------- limage Try this auction?? :-)  |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 09:47 |
| [#2028] Quad ESL speaker Thanks Gingers. But they are all KT-88s. One question though-can we use KT-88 in place of 6550, or vice versa. |
limage 正式會員 218.xxx.xxx.201 |
2006-11-19 14:16 |
| [#2029] Quad ESL speaker KT88  |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 14:47 |
| [#2030] Quad ESL speaker 6550  |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 14:48 |
| [#2031] Quad ESL speaker But they are all KT-88s. One question though-can we use KT-88 in place of 6550, or vice versa. -------------------------------------------- http://www.jacmusic.com/KT88/kt88.htm Between USA and Europe, the competition was not in both trying to make the best tube of one type. The competition was, each tries to make a different tube that the other side of the ocean didn't have. Like this each side thought to be more clever. In Europe, the EL34 was "the" big pentode, which was the result of a long evaluation, starting with the AL1, a radio speaker-output tube for class A. After that AL4 was developed. Then with 6.3Volts EL3 came, and with the coming of the octal sockets, EL34 was born. In the USA it was the more sloppy 6L6 that won the race. The EL34 is a real penthode, and the 6L6 a less precise beam tetrode. EL34 was the better tube, 6L6 the cheaper tube. In the UK there was the KT66 invented, which was a better quality 6L6. After this, in the USA from the 6L6 the larger 6550 was derived and in Europe from the KT66 the larger KT88 was derived . Saying that KT66 and 6L6 are almost the same, that leaves us with four very popular power penthodes. Any other differences are just playing with numbers and pin-connections. The end of the evaluation is the KT88 and if you want the EL156. The EL156 never had a break through because of the socket being not octal. There are many high hands who will help :-) To my knowledge they are interchangeable.................at least in some tube amplifiers :-) Take the risk??? |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 14:53 |
| [#2032] Quad ESL speaker http://www.hitaudio.com/reviews/review22_1.htm 近兩年中國Hi-Fi製造業有長足的進步，其中膽機的表現更是突飛猛進，比較出色的作品在聲音表現和製作水準方面都已不遜於外國名廠機種，部份中國真空管機種更已打入外國市場(英國Hi-Fi News最近試聽深圳《山靈》CDT-100真空管CD機之後刊登詳盡的測試報告，對其音效讚不絕口，比起《發燒音響》試聽CDT-100的評論，Hi-Fi News遲了一年左右)，如果在兩、三年前個別發燒友對中國膽機的質素還有疑慮的話，今日大概已不得不承認中國出品已具國際水平，而且在顧及「平靚正」的抵買指數時，中國膽機更將外國貨遠遠拋離，我現在要推介的Cayin MT-88就是這樣的一件產品，它是採用4支KT-88/6550強放管的立體聲後級，在音響史上同類型的膽機數之不盡，可以說，在過去半個世紀中，稍具名氣的膽機廠家都產製過同一型格的膽機，但聽聲收貨的話，我從未見過一間廠家能以如斯低廉的價錢造出聲音如斯高檔的膽機。 Is Editor Chan a tube expert? He always quotes KT88/6550 here :-) |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 14:58 |
| [#2033] Quad ESL speaker 論MT-88，就不能不提及KT-88/6550強放管的光榮歷史，此乃音響史上最常見、最通用和最靚聲的五極管之一，眾所週知，不同的強放管有不同的音色和特性，過往數十年來細力的三極管(300B、2A3等)和大力的五極管(KT-88/6550、EL34/6CA7等)各領風騷、各有擁躉，但KT-88/6550一直以來都備受膽機設計家推崇愛戴，可以這樣說，環顧過去五、六十年的Hi-Fi歷史，KT-88/6550作為主流強放管的超然地位從未動搖過，遠至Mclntosh，近至Audio Research, Conrad Johnson或Sonic Frontiers，各大膽機廠家都將KT-88/6550用在最具代表性的後級型號之中(Audio Research更是幾十年來獨沽一味採用6550)，個人來說，自八十年代初期購入第一部Mclntosh MC-275和Audio Research D-76A開始，至今用過聽過各種採用KT-88/6550的膽機不計其數，個別膽機聲音質素容有高低之分，但其聲底卻始終脫不了此一代名膽的特色，就是音色流暢溫厚，潛力之佳更給人「扯之不盡」的感覺，KT-88/6550另一特點是具有百搭性能，它配搭各類型揚聲器都兼蓄包容，中音部份給人順耳甜潤之感，今日時興用細力三極膽機推動細食揚聲器，但喜愛三極機的發燒友可能根本末聽過KT-88/6550營造的音樂中那種天大地大和盪氣迴腸的雄偉氣概，身為膽機發燒友，我在「過盡千帆」之後，仍保留一部六十年代製造的Mclntosh MC-275作鑑聽用途，原因就是它推動靈敏度特高的號角揚聲器時固然可以營造天崩地裂的爆棚場面，而其深厚的力道亦足以推動當今效率較低的新一代揚聲器，不論匹配B&W,JM Lab或ProAc，古董Mclntosh MC-275聲音之全面和爆棚之震撼都非細力三極膽機擁躉所能想像，故此Cayin MT-88「香港鑑聽版」在本刊試音室開聲時，我亦將它與Mclntosh MC-275作AB比較，從任何角度來看，這其實都是一場讓賽，因為Mclntosh MC-275在我心目中係歷來所有採用KT-88/6550的膽機中最耐聽和音樂感最好的一部，如果MT-88的聲音表現能夠接近Mclntosh，就已經是了不起的天大成就。 |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 14:59 |
| [#2034] Quad ESL speaker 身為膽機發燒友，我在「過盡千帆」之後，仍保留一部六十年代製造的Mclntosh MC-275作鑑聽用途，原因就是它推動靈敏度特高的號角揚聲器時固然可以營造天崩地裂的爆棚場面， -------------------------------------- Editor CHAN「過盡千帆」 like you :-) A Google search http://www.google.com.hk/search?hl=zh-TW&q=KT88+6550&meta= KT88 vs 6550 http://www.audioasylum.com/audio/tubes/messages/187058.html |
Gingers 正式會員 221.xxx.xxx.180 |
2006-11-19 15:10 |
| [#2035] Quad ESL speaker I'm in town and will be free for the entire week. What time is best for you folks. Let's have a beef session followed by an ESL session at CP's or vice versa. |
feikeung 正式會員 219.xxx.xxx.57 |
2006-11-19 17:32 |
| [#2036] Quad ESL speaker Let's have a beef session followed by an ESL session at CP's or vice versa. ----------------------------------------------------------- Sounds interesting. Wish I can be there. I am now visiting China with my son from SF. We will be back to HK next Wednesday and my son will go back to SF end of this month. Regds |
Pcs100 正式會員 58.xxx.xxx.205 |
2006-11-19 21:52 |
| [#2037] Quad ESL speaker My son have bought the material I need from SF for the ESL63. Will resume our ESL63 project soon. |
Pcs100 正式會員 58.xxx.xxx.205 |
2006-11-19 21:56 |
| [#2038] Quad ESL speaker Thanks for both CP and Patrick coming to share a short but enjoyable evening ------------------------------------------- mda......Thanks for the opportunity to audition of your OTL. which is known for transparency, sound stage and clearity. I wish I will have the chance to hook it up with my ESL57. Please feel free to contact me if you would like to visit my magic cubicle is you don't mind. Regds Patrick |
Pcs100 正式會員 58.xxx.xxx.205 |
2006-11-19 22:14 |
| [#2039] 吉普賽小提琴 劉漢盛/音響論壇站 他是數百年吉普賽小提琴家幽靈的化身，每一代，都以不同的身份現身。貝多芬時代，他的七世先祖琴技就已經讓貝多芬大為仰慕。布拉姆斯時代，布老也是借用了吉普賽音樂的主題寫成了「匈牙利舞曲」。而在現代，每當比利時伊麗莎白皇后小提琴大賽結束，評審們都會相邀結伴去聽他的演奏。這些評審中包括了著名的曼紐因與老牌波蘭小提琴家Ida Haendel等。 連曼紐因都要去聽他的演奏 他的琴技完美得無法以文字形容，只有幽靈的化身才做得到。他的音樂詮釋有如天上浮雲變幻莫測，激烈時如電光石火，柔情時又哀怨欲絕；不論是古典曲風或吉普賽音樂，在他手下無不一氣呵成、渾然天成。甚至演奏起爵士樂都要媲美爵樂小提琴大師Stephane Grappelli。他是誰？他就是吉普賽小提琴大師Roby Lakatos。 沒有到過尼加拉瀑布，您不會知道什麼才是真正壯闊澎湃的瀑布。同樣的，沒有聽過Roby Lakatos的演奏，您也不會知道什麼才是真正的超技小提琴演奏。我們不是生在帕格尼尼的時代，無法一聞帕氏的精彩琴技。但是我們又何其幸運，能夠有機會透過CD欣賞到遠在比利時演奏的Roby Lakatos琴藝。如果連曼紐因都認為不能錯過他的演出，世界上還有比這更強而有力的背書推薦嗎？ 這張CD的標題就是Roby Lakatos的姓「Lakatos」，封面上他正坐在典雅歐式的曙U內演奏。老實說，他下垂的啤酒肚與肥胖的臉並不是那麼吸引人。如非識寶，一般人絕對不會從CD貨架上將它抽出。封底是他與其餘四個團員一齊演奏的照片，這是典型曙U內吉普賽沙龍樂隊的伴相。一位絕世小提琴天才也必須賣技維生，聽著他的演奏，我突然覺得自己的文字工作何其幸福。 吉普賽人代代在歐洲流浪，幾乎已經成為竊賊、扒手、娼妓與流浪漢的代名詞。在義大利，看著吉普賽幼童大大的眼睛緊盯著觀光客的皮包，實在很難同時與他們傑出的音樂天分劃上等號。或釵]為這樣，Roby Lakatos的琴音裡流露著沈重的吉普賽悲情，就算您的錢包曾經被他的同胞扒過，也忍不住要同情他們千百年流離失所的遭遇。在布拉姆斯「匈牙利舞曲」的光輝燦爛裡；在哈查圖量「劍舞」的火花裡，在「辛德勒名單」的哀戚裡，我找到了內心深處的感動。聽音響，最大的享受其實就是來自於對音樂的深沈感動。 喇叭單體要夠靈敏才聽得出小提琴的美處 不要以為您隨手就能享受到這麼美的音樂，假若您的喇叭單體不夠靈敏，發不出琴弓與琴板那細微的震動；假若您的中頻不夠飽滿，無法再生琴腔的共鳴；假若您的低頻延伸不夠自然，無法支撐整體音樂的平衡，那麼我要說，您所聽到的聲音將毫無小提琴的美感，您所聽到的恐怕是尖銳的聲音而已。此外，一堆失去平衡性的聲音，正有如一些蹩腳的樂師演奏，您無法感受到Roby Lakatos這個樂團演奏的美。 假若您用的是靜電喇叭，可能比較容易欣賞到小提琴細微顫動的真實美感。不過，您可能要注意中頻與低頻是否夠飽滿。如果您用的是鋁帶高音，再生小提琴方面也要比一般高音單體佔上風。但還是那句老話，中頻與低頻夠平衡嗎？延伸夠自然嗎？在這張CD裡，高頻延伸不自然將令您失去小提琴的真實質感與光彩；而中、低頻的缺陷則會讓所有的曲子失去豐腴的魅力與應有的彈性。這樣的聲音表現將猶如一條不新鮮的魚，它的眼珠黯淡，它的魚肉沒有彈性，它的魚身失去光澤。試想，不新鮮的魚會令您食指大動嗎？ 這是一張絕美的小提琴演奏，同時也是您音響系統的絕佳測試材料。如果您聽不到令您感動的聲音，請仔細思考您的音響系統已經有多久無法讓您享受音樂的感動了。 |
feikeung 正式會員 219.xxx.xxx.57 |
2006-11-20 03:07 |
| [#2040] 吉普賽小提琴 劉漢盛/音響論壇站 Morning feikeung, I love Grappelli and Lakatos! Grew up listening to Grappelli, Loussier and Peterson all the time and to this day, I still play couple of Grappelli's old CDs quite often - Vintage 1981 & At the Winery. Unlike most of his earlier works, the recording on these two are much better. Apparently, Lakatos is also a huge fan of Grappelli and incorporated a great deal of " Grappelli swing" in his playing. I recall seeing somewhere that lakatos is a direct descendants (great many generations) of the "mother of all gypsy violinist" - Janos Bihari. ps: Welcome back |
kris 正式會員 218.xxx.xxx.212 |
2006-11-20 09:49 |
| [#2041] 吉普賽小提琴 劉漢盛/音響論壇站 kris, Any chance of a get together with feikeung and others this week? I'll get my Lakatos and Grappelli ready. |
cpsjj 正式會員 203.xxx.xxx.49 |
2006-11-20 10:20 |
| [#2042] 吉普賽小提琴 劉漢盛/音響論壇站 Dear CP, I would be delighted. |
kris 正式會員 218.xxx.xxx.212 |
2006-11-20 10:25 |
