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本帖最后由 yjwu 于 2013-11-21 18:12 编辑 + a# o: U' M: E; M" g
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Nuvistor管製造的開盤機 - AMPEX MR-70; 讓Willi Studer想超越而只能追平的機器
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% q, f# c' X3 o* W/ @According to Bill Vermillion, a Studer engineer once told him that Willi Studer's goal in life was to make a tape recorder better than the MR-70. He tried for two decades; then came to the conclusion that he could equal it but not surpass it." F( `2 _8 o/ |7 C3 O
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AMPEX 於1966年製造; 傳說中沒有超過100台,每台都是定製的. 有半寸3軌的特殊規格& ~3 r3 Q% N# j; U, M# }) k
5 }+ w5 v5 O$ @, g" Ihttp://www.historyofrecording.com/AMPEX_MR-70.htmlhttp://vintagewindings.com/Restorations/Ampex%20MR-70%202.html* i' h% ?) G7 K. W; u9 t' V3 {
http://www.tonbandmuseum.info/nach-den-ampex-3xx.html
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Rein Narma and Mort Fujii, "Performance and Reliability Requirements for a Master Tape Recorder," Journal of the Audio Engineering Society, v. 12, no. 4 (Oct. 1964): 274-279
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MDI Precision Motor Works還把MR-70的Nuvistor管移植到AMPEX 102, 變成AMR-170
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7 B- O1 ^4 O0 v. a一家專門幫客戶轉模擬開盤帶的公司Sonicraft也整了3軌及4軌的AMPEX MR-70
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對超過$12,000 美元的盤機不表認同者亦有之(這個觀點我非常認同,最好的錄音都是用簡單的器材完成的,而且都是一次錄完,直到滿意為止.沒有事後修補這回事!不夠水準的藝術家配合能力不足的錄音工程師,再完美的設備也是罔然.沒有必要將整個錄音塞得滿滿的,音符間的留白反而有更高的透析度!)" b4 ^' u8 D9 W9 j% T7 F5 j
http://www.analogrules.com/hummm.html
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Youtube上的AMPEX MR-70重建計畫
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Ampex MR-70 restoration I (2013/11/13)* r# g! T* f& ]1 { H. i; ~
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Ampex MR-70 restoration II (2013/11/13)
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/ s! [4 b, e3 G- r- ^Ampex MR-70 restoration III (2013/11/13)3 ]$ w! K2 j3 Q8 \" G, t0 W
http://www.youtube.com/watch?v=XvMAK2GZXP8/ e* B2 }* I8 [4 l* M1 h& {: G
Ampex MR-70 頻響測試 (2013/11/14)5 U3 p+ Z, `6 G& t
http://www.youtube.com/watch?v=XvMAK2GZXP8
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) P4 E4 C+ ?* Z; x( RNuvistor管的相關資料, AKG C12A話筒也用這一味!
( n- ^/ K+ ? u/ hhttp://en.wikipedia.org/wiki/Nuvistor
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