- #81 [doublesam], 13-02-20 21:40
- #82 [diytfy], 13-02-20 22:00老實講, 唔洗踏D膽這麼盡的
我diy了對直熱波蛋後級, 以為吾長命, 一連買了20多支備用
第一pair, 今年第11年啦, 重好強
D士啤可能要責賣番出去了 - #83 [kilroy], 13-02-20 22:0112AX7一般壽命一萬小時左右,長開年半差不多,(當然有D高質素膽有十萬小時壽命。)
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- #84 [doublesam], 13-02-20 22:57唔好唔會,我無踏d膽機(我自已都在用膽機)不過只是想講出有些設計師設計不同,不過我認為大部份膽機都耐用的,
- #85 [PLL], 13-02-20 23:08禾舊屎部電視都係膽機( CRT 大牛龜 ).
都可以用咗十年.
當然, 用咗三, 五年後...個畫面就冇新嗰時咁透亮. 慢慢暗朦喇. ... ... @@" - #86 [diytfy], 13-02-20 23:09" 唔洗踏D膽這麼盡的"
小弟所指是廠機電流電壓dum得盡罷了
那蛋也就短命了.... - #87 [cpu8088], 13-02-20 23:53lamm said "should be" not "must"
also note it is to maintain top performance.
of course depending on your usage and requirements u can use those tubes for over 10 years. lol - #88 [ikikik], 13-02-21 00:24這間LAMM廠實在講得太誇張,通常每種胆都有最高工作電壓,放大器就算以最高電壓工作,選擇甲類狀態下,亦只能選擇於線性區工作,電流是不會太大,如果電流太大,就會進入飽和區,根本造唔到放大器,如果電流再加大,就會屏極發紅,後果唔講你都知。通常新胆是要RUN IN ,少則個多月,多則半年,豈不是靚胆一進入狀態,就要換胆,可笑嗎?唔知係唔係依的6N6P、GM-70蘇聯胆特别雞,一年就玩完!
最後修改時間: 2013-02-21 00:32:56 - #89 [yukclee], 13-02-21 09:08Actually human ears deterioriate every year. To keep in best condition, they should be changed every 1 - 1.5 years to keep in best form and be in sync. with the tubes...
- #90 [an..avenger], 13-02-22 09:49yukclee兄:
你說得對呀! 如果可以常換耳仔, 應該要換呀. 人越老, 耳仔可聽到的高頻率就越低.
我們只可按著客觀上的難易程度、成本(包括時間、金錢、心力)高低來作出選擇。換膽易過換耳. 玩石機(特別後級)少麻煩過膽機(特別後級).
不過, 音響始終是個人口味和心癮的玩意,所以, 對於後多發燒友來說, 客觀因素在音響有關的決定上未必佔很大的成份, 反而主觀個人因素佔較多影響力。
有人喜歡向高難度挑戰, 也感樂趣.
有人主觀地覺得某事是很難(例: 他欠缺電子知識的背景, 好似我咁), 但某人覺得這事是很易.
最後修改時間: 2013-02-22 09:54:44 - #91 [doublesam], 13-02-22 13:36我覺得玩膽機或石機,新機或二手也好,最重要部機買回來無頭暈身慶就好,
至於玩音響,就一定要花點時間,如搭配,擺位...............才能調控到自已所喜愛的聲音 - #92 [cpu8088], 13-02-22 19:29"""我覺得玩膽機或石機,新機或二手也好,最重要部機買回來無頭暈身慶就好,"""
this is not a problem as any new item has warranty. if not working just bring it back to the retailer/wholesaler and they should fix it.
"""至於玩音響,就一定要花點時間,如搭配,擺位...............才能調控到自已所喜愛的聲音"""
look like u already bought the item.
the fun is doing research, read reviews, users comments, then personally have critical audition. not trying to tweak after u have bought the item. - #93 [UFO33], 13-02-22 21:23---12AX3/ 12BE3 tubes should be replaced every 1.5-2 years---
我擺部机3年每年只用兩三百個小时,咁係咪都要 replaced every 1.5-2 years呀? - #94 [aheung], 19-11-09 13:09古董膽難搞d
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ML 3"NOTE:
12AX3/ 12BE3 tubes should be replaced every 1.5-2 years
GM-70 tube should be replaced every 1.5 years
to maintain the best performance of the amp