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[#322] Kenwood Turntable Fans Ckkk Hing 你老豆一定有看明週的勞化hifi經,點解唔買lp12. ![]() 最後修改時間: 2012-12-27 23:46:56 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-27 23:46 | |
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[#323] Kenwood Turntable Fans 雲石盤d聲吾覺咁差 當年千元左右交足貨了 同期同級可選帶動的thorens 160 super或160 MK II |
軍城![]() 112.xxx.xxx.34 |
2012-12-28 00:02 |
[#324] Kenwood Turntable Fans 雲石d聲吾差, 差的是direct drive 個 servo 問題。 看看 Sugano San (Koetsu) 的 self owned monitoring set up. ![]() 最後修改時間: 2012-12-28 00:12:38 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-28 00:09 |
[#325] Kenwood Turntable Fans 唔同,一張硬板床,一張彈弓床,你喜歡瞓那張? |
cominox![]() 202.xxx.xxx.93 |
2012-12-28 00:20 |
[#326] Kenwood Turntable Fans 直驅盤漏磁我冇check過 不過我諗住個轉盤加mat成吋厚都隔晒啦 我愛四吋海馬硬乳膠冇彈弓床褥 最後修改時間: 2012-12-28 00:27:06 |
軍城![]() 112.xxx.xxx.34 |
2012-12-28 00:21 |
[#327] Kenwood Turntable Fans 雲石d聲吾差, 差的是direct drive 個 servo 問題。x2 再加上 cominox ching 所言當年Trio直驅盤的技術不穩定.若係 Technics 造或如 L07D用鋁或不锈鋼造底座,相信效果會更好.今日好高興,能與各位大德,善智識交流,獲益良多. 最後修改時間: 2012-12-28 00:34:33 |
gloria8341![]() 58.xxx.xxx.92 |
2012-12-28 00:27 |
[#328] Kenwood Turntable Fans 不是漏磁的問題, Sugano San 說的 伺服問題是個 servo不停adjust 個 speed。加減加減加減加減加減不停adjust的問題. 最後修改時間: 2012-12-28 00:28:45 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-28 00:27 |
[#329] Kenwood Turntable Fans 如果轉盤夠重 慣性會令轉速傾向稳定 |
軍城![]() 112.xxx.xxx.34 |
2012-12-28 00:30 |
[#330] Kenwood Turntable Fans 如果轉盤夠重 慣性會令轉速傾向稳定 --------------------------------- 明白你的想法, “慣性會令轉速傾向稳定”,this is an observation by man's eye, but not for a quartz eye, the quartz runs on several thousand million hz/sec. the quartz keeps on working, and feedback to the servo and the servo keep on adjusting the speed, "stop/go" instruction sent to the motor a million times per sec. "this is an observation by man's eye" for example. when we see a movie, 24fps is enough to make our eye/brain to feel the screen is stable. 最後修改時間: 2012-12-28 00:47:41 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-28 00:41 |
[#331] Kenwood Turntable Fans 同d理論上講話光管壞眼一樣 話每秒開關50/60次 試問有邊個睇到 人有視覺暫留 每秒廿四格嘅電影都睇到連續了 又如失真0.1%同0.001% 邊個聽到分別 最後修改時間: 2012-12-28 01:03:04 |
軍城![]() 112.xxx.xxx.34 |
2012-12-28 00:50 |
[#332] Kenwood Turntable Fans 記得幾年前在旺角寄賣阿雄到,見到一對超高音,當時同行嘅朋友問阿雄哥,人耳都聽唔到咁高音,有何用途.當時雄哥話聽唔到,但身體可以feel到,相當玄!如果用普通唱頭,直驅或帶動盤,無甚分別,但用在Koetsu靈敏度咁高班嘅唱頭上,分別立桿見影.高人指路,信焉! |
gloria8341![]() 58.xxx.xxx.92 |
2012-12-28 01:20 |
[#333] Kenwood Turntable Fans 同d理論上講話光管壞眼一樣 話每秒開關50/60次 試問有邊個睇到 失真0.1%同0.001% 邊個聽到分別 ======================================= 所以我話 “我中用做補習辛苦搵來d薪水買kd600, 銻spec買hifi,笨seven 加 氨dog。”。 銻spec,那些年, d direct dirve TT 個specification 一定win。 個market聽到分別的! for a turntable to turn, a motor is a must, but you can see, most current TT design is to isolate the platter from the running motor (no direct contact,by a belt, by magnetic, by.....), the engineer did the best to "smooth" the servo problem. 唔系“死死實實”, 系“木木獨獨”, 唔夠生氣, 彈跳力唔夠。 if one don't mind on this, pay just a thousand dollar for a 600/500 is a good buy with high price/performance ratio. ---------------------------------------- #296 我對上一次用手觸摸600塊石頭應該是五/六年前中環某二手舗..............一次體驗............... the story was that the 600's quartz control was dead, a mainland buyer just buy the platter and motor for $300, and left the 石頭 inside the 2nd hand shop, its boss asked me helping to take the leftover 石頭 to the street garbabe bin. 一次 sad 的體驗。 最後修改時間: 2012-12-28 01:33:07 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-28 01:30 |
[#334] Kenwood Turntable Fans dynavector兄, 聆聽雅言,真係一語中的,道盡直驅帶動唱盤兩者之是非成敗,頗有撥開雲霧見青天之感! |
mau123![]() 58.xxx.xxx.92 |
2012-12-28 02:21 |
[#335] Kenwood Turntable Fans 個人陸人真儍仔,留咗塊pcb |
cominox![]() 124.xxx.xxx.181 |
2012-12-28 08:04 |
[#336] Kenwood Turntable Fans When I placed the 石頭 at the garbage bin at Queen's Road Central, the feeling was very sad. It was the dream gear of many poor 50's/60's boys in the late 70's/early 80's. 如此下場, 唉! 最後修改時間: 2012-12-28 11:03:54 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-28 11:00 |
[#337] Kenwood Turntable Fans dynavector兄 you also say 個market聽到分別的!所謂滾滾潮聲東逝水,浪花淘盡英雄!舊嘅唔去,新嘅唔嚟! 最後修改時間: 2012-12-28 11:30:38 |
mau123![]() 58.xxx.xxx.92 |
2012-12-28 11:23 |
[#338] Kenwood Turntable Fans 個人認為,如果話直驅盤聲音係"死死實實"既話,而原因係來自石英控速的不斷矯正動作,那麼沒有石英鎖的低級直驅盤理應好聲過Quartz lock model,但實情又唔係咁喎。 我既Denon DP-80可以選擇開關石英鎖,(其實係在速度微調時石英鎖要關掉),比較開或關聲音的確係唔同,不過就唔敢話冇鎖時靚過有鎖,係變左兩把聲,當然要套機和人都要夠靈敏才感受到分別。 另外我想強調,刻製LP母盤時既轉盤就係直驅既,如果直驅盤有缺陷那麼其個性就會刻劃在母盤上,日後用家用帶盤重換都係播番直驅盤刻製既訊號罷。 最後修改時間: 2012-12-29 10:41:01 |
孟波![]() 123.xxx.xxx.186 |
2012-12-29 10:40 |
[#339] Kenwood Turntable Fans Sorry, 表達用字不好,the problem should be the servo motor and not the quartz reference, (the quartz installed is a more precise reference for the servo to make adjustment after feedback received). from wiki: 以伺服馬達為例,其伺服控制器通常包含速度控制器與扭矩控制器,馬達通常提供類比式的速度回授信號,控制界面採用±10V的類比訊號,經由外迴路的類比命令,可直接控制馬達的轉速或扭矩。採用這種伺服驅動器,通常必須再加上一個位置控制器(position controller),才能完成位置控制。 最後修改時間: 2012-12-29 12:10:13 |
dynavector![]() 121.xxx.xxx.78 |
2012-12-29 11:27 |
[#340] Kenwood Turntable Fans 小弟覺得馬達的質素影響聲音都好大,其實好多帶盤既馬達都好陽春,但成本效益就係帶盤高D。 Denon DP-100用既三相AC馬達。 ![]() |
孟波![]() 123.xxx.xxx.186 |
2012-12-29 11:33 |
[#341] Kenwood Turntable Fans LINN LP-12既馬達和 Valhalla 控速底板。 最後修改時間: 2012-12-29 11:37:11 |
孟波![]() 123.xxx.xxx.186 |
2012-12-29 11:36 |