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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
/ r5 Y+ W8 ~/ E3 a是不是换了磁头?这金黄色磁头是不是国产的啊,

8 N2 _) P* 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" ]" n' O* C6 d% l
原文出处:
( C8 P9 M0 r- C3 ?# Y) m
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
& |+ @; d  M! N+ _! D. r1。连接交流电压表CH 1输出连接器。9 `, k# {% B+ H2 i/ z6 t/ p
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.9 E- S. v. M0 |
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。
2 b: C$ A& ^" R. }' l; h2 F3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
, i  }# A& d. v6 W2 x1 p( }4 O3 s/ E: U- F3。在磁带放音机校准参考水平的部分发挥1千赫。. V9 t0 d' f3 U
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.0 {8 K& r, t9 h+ O; \2 N1 t9 f, t
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。) _% U3 |3 N0 l; L2 U9 G# a; w
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
. ]: t$ a# z1 ]3 p$ P# g5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
) u- g2 a7 V; j7 M- o8 X4.3.3.4 Reproduce Equatizatioti Adjustment
, a8 o0 L/ ^. S$ V+ b$ @! s# P& mequatizatioti 4.3.3.4再现调整
5 a! D! d; h- e( ~, u, jNOTE: This procedure adjusts the High Frequency Reproduce Equalization.
2 N6 J1 A" m( k; N. |) F, x, P注意:本程序调整高频再现均衡。
8 M! S4 U( C: P3 M8 X% b2 L5 aThe Low Frequency Reproduce Equalization is adjusted during the Record6 D, T+ y- m  h$ V% w
低频再现均衡是在记录调整
# m4 d7 l' T/ |; i: F& |' OAlignments. Due to the fringing effect which occurs at low frequencies," ^# x4 L7 @  `; D3 r
对齐。由于边缘效应在低的频率发生,1 B6 j, I5 C  ?3 X) h7 L) K
adjusting the Low Frequency Reproduce Equalization using the Reproduce
+ Z  s9 D& m8 f调整低频再现均衡使用复制
  H3 h# {6 e7 ~) ZAlignment Tape does not produce accurate results.( Z8 U" W$ X/ S  ?! @
调整带不产生精确的结果。
1 `5 T% z- Q) c1. Thread the machine with the 15 ips Reproducer Calibration tape.6 i6 q2 j$ b! D1 u7 I' J  \
1。螺纹15 IPS设备校准磁带机。
+ x1 d$ k. W( y8 k2. Set the SPEED LO/HI switch to the Hi position.
- b. e( b' k& D5 C$ F2。设置速度的高低切换到高的位置。5 y4 e9 l- s0 j; ?- s
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).
5 {0 n7 G0 n5 M: J, s/ x3。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)。
) n0 |- a+ X; ], ^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.
0 b+ [, c3 p* J( e: J4。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。' J- N; `+ n! Q6 k1 l; n( t% F# e4 v
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.3 ^- p( t8 A5 J2 Q3 \; Y- L1 w9 y
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。
) t: s% {2 h0 D+ n6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
& X# C) F  i; q6。螺纹7.5 IPS设备校准磁带机。5 c: |+ J& _. k% X; [0 Z
7. Set the SPEED LO/HI switch to the Lo position.* d8 e; f/ @7 Y. L4 D: E. j* I  d
7。设置速度的高低位置切换到LO。' z) H3 M% d& g" U9 V
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.5 b# ~, Z1 ~1 M$ Q1 Q4 K2 q7 ?6 R
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。
9 o4 i! [9 Q2 G: ZNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below/ j! e% o) h3 V
注:7.5 IPS校准带均衡音在10分贝以下记录
( f; F$ V/ u# u) h3 Creference level.
' _7 e" @  R# \$ r6 B* `; G9 @1 {/ J参考水平。( [9 p4 t- D3 A. G  z* s6 c
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
2 j; B* |2 Z) r2 f% k* z9。调整CH 2代表情商HF L微调(vr29)直到交流电压表指示6 dBu。8 [6 G* G2 m1 K9 \5 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
" U0 R9 _# V" f& n* K1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
+ g! \6 I% z2 z$ Z4 h( V1。连接交流电压表CH 1输出连接器。% z5 q+ }1 D2 C5 ~0 R. v- d
2. T ...

$ f% w! Q0 N! ]4 V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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