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楼主: 红灯记
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为什么要这样调整小谷MX55开盘机的放音特性

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 楼主| 发表于 2015-2-3 09:27:18 | 显示全部楼层
奇异 发表于 2015-2-2 15:22
. |2 H) @. ~0 ?5 B% G: {是不是换了磁头?这金黄色磁头是不是国产的啊,

6 R1 B) l) D$ S9 w9 ]1 U金色是原装的,换上去的是国产组装产品
发表于 2015-2-3 11:15:55 | 显示全部楼层
红灯记 发表于 2015-2-1 11:38. I" E8 X1 e! n5 J3 B, e- Q+ [- I
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.' R/ `" T) Y7 h
1。连接交流电压表CH 1输出连接器。- p, Q" ?, ]) M7 e
2. Thread the machine with the Reproducer Calibration Tape, press the OUTPUT SRL switches for both CH1 and CH2 and set both READY/SAFE switches to the Safe position. Set both INPUT/SEL’REP/REPRO switches to the Bepro position.
* f+ v$ }9 J) `  }2。螺纹与扬声器校准磁带机,按两CH1和CH2的输出该开关和设置准备/安全开关到安全位置。设置输入sel'rep /摄制切换到百诺位置。" M  @0 X- F; a8 f0 u5 ?8 ~
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape./ z3 s* W8 C0 D+ e% [# e
3。在磁带放音机校准参考水平的部分发挥1千赫。
6 e: Q1 I& L( X9 Q. S4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.+ d2 }+ ?0 B3 K
4。调整CH1摄制水平微调(vr15)在音频放大器电路板组装,交流电压表指示+ 4 dBu。
  i) X* t" p, O# }7 w4 Q5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
% S) g: D- n  i& S2 [' V5 ?5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
* F2 P* N* s7 j  s4.3.3.4 Reproduce Equatizatioti Adjustment
; M& U4 e2 v3 I( \4 t9 kequatizatioti 4.3.3.4再现调整
6 _. V2 o; |/ Z1 j% y. zNOTE: This procedure adjusts the High Frequency Reproduce Equalization.; @* Y7 O& b! {8 L5 m2 m5 H+ z
注意:本程序调整高频再现均衡。
& m  |6 m4 `8 h3 c. l( J% WThe Low Frequency Reproduce Equalization is adjusted during the Record
$ J; P# \) ^- f; F2 W7 F6 a' h" V低频再现均衡是在记录调整7 T- T  S" G8 o+ W& M+ G0 X
Alignments. Due to the fringing effect which occurs at low frequencies,
8 C$ T& y9 g( [5 s对齐。由于边缘效应在低的频率发生,
* v, ]5 w: R+ r& @adjusting the Low Frequency Reproduce Equalization using the Reproduce
% x, c4 F6 M% N; E调整低频再现均衡使用复制
; b' S) z& E. [  a' sAlignment Tape does not produce accurate results.9 {: Z" u2 _9 z$ N, ]8 d
调整带不产生精确的结果。
9 {, L, N" D. d$ z! I4 U' X1. Thread the machine with the 15 ips Reproducer Calibration tape.
" s# v3 s+ n2 a3 {( T) ]1。螺纹15 IPS设备校准磁带机。
3 a: N) l  E+ M. [  R2. Set the SPEED LO/HI switch to the Hi position.
+ R8 u5 U( d. V9 u2。设置速度的高低切换到高的位置。
" P* F; J4 q7 ]5 B( }3. Set both READY/SAFE switches to the Safe position. Set both INPUT/SEL.REP/REPRO switches to the Repro position, and press both OUTPUT SRL buttons (SRL On).
1 r* X+ Z, o% L; O/ @3。设置好/安全开关到安全位置。设置输入sel.rep/repro切换到复制的位置,并按输出SRL按钮(SRL对)。" _( }0 C4 u1 Z
4. Play the 10 kHz portion of the Reproducer Calibraion tape and adjust the CH 1 REP EQ HF H (VR17) trimmer until the AC voltmeter indicates +4 dBu." g; d8 w- p( C/ {6 U& R
4。玩的放音机标定带10千赫的部分和调整CH 1代表情商HF H(vr17)微调直到交流电压表指示+ 4 dBu。2 A! U3 B3 o' o' t1 V, ]% R; n/ m
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu." v& ]* o% r; c- h4 S
5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。5 Z+ ?) v8 H' c' a- y
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
: Q3 Z: R0 _3 K- v4 W+ |6。螺纹7.5 IPS设备校准磁带机。9 e2 Z6 i  {5 \- i* k% d8 H3 R
7. Set the SPEED LO/HI switch to the Lo position.
1 u5 B9 Y$ G# R  n7 I# c& n4 N7。设置速度的高低位置切换到LO。7 |' B& ]' F% ]3 Z) c2 d
8. Play the 10 kHz portion of the Reproducer Calibration tape and adjust the CH 1 REP EQ HF L (VR19) trimmer until the AC voltmeter indicates -6 dBu.& t5 |$ Y$ c1 o% ^5 l' @. ?
8。玩的放音校准带10千赫的部分和调整CH 1代表情商HF L(vr19)微调直到交流电压表指示6 dBu。
2 d8 v2 R. L! |) z5 ]. q7 l# O2 ANOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below) v" i- ^' T0 U/ P5 U+ B
注:7.5 IPS校准带均衡音在10分贝以下记录/ ^* N4 b" M. n, X% d' S$ `
reference level.
% S, d/ z+ D  F参考水平。  H, f$ G2 u% b2 N7 ?2 r3 D" v% e  g
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.6 u( B7 }+ {" ]3 O) s
9。调整CH 2代表情商HF L微调(vr29)直到交流电压表指示6 dBu。2 h( ?/ ^( C9 N# m, u* [
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
! }! G9 Y! m8 q  P* U1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.! s( l9 T' \: n. `0 K
1。连接交流电压表CH 1输出连接器。
+ c, u5 F# [3 O2. T ...
! u4 f! c9 K6 {( Q# G( d
刚到手一台 MX-55D ,真想调整一下, 看起来很专业,也很复杂。
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