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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
! \: H; g; y2 v. U% P3 r( N( X是不是换了磁头?这金黄色磁头是不是国产的啊,
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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 11:386 _; R* Z2 |. [! i$ J1 U( v# E
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.  I  z- J! n  y% T
1。连接交流电压表CH 1输出连接器。
0 ~6 c1 |6 s& _, y2 j2 {% G+ R* D6 P2. 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.
" I" g6 e" k- U, i# R' [1 s2。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。
9 _5 ~( R4 X7 ]% i& ^3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.* N; r8 m: ^  B& T. i0 |0 R
3。在磁带放音机校准参考水平的部分发挥1千赫。
5 w& h. s: Y6 X4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.! ^) x9 s6 B: f7 U, b8 R
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。  X/ j" O/ I* Y; _$ v
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
; }( W9 s" c, T" {% B1 U/ `5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
$ O/ u" _0 o+ a3 @8 v+ C" B4.3.3.4 Reproduce Equatizatioti Adjustment
/ t. `% z  ]. ^/ @8 qequatizatioti 4.3.3.4再现调整; n) W( R, P0 M  w! V& x( Q
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
4 }' x& b/ e8 j7 c& r, Y注意:本程序调整高频再现均衡。
- R, T, G" ^0 [! T$ ~; qThe Low Frequency Reproduce Equalization is adjusted during the Record3 [  d* s& r0 ]! J- `
低频再现均衡是在记录调整3 v: D" I: Y0 d
Alignments. Due to the fringing effect which occurs at low frequencies,
; M6 W$ x( K7 F- H% v; p# L对齐。由于边缘效应在低的频率发生,9 |/ f6 o, z* T) Z0 [$ [* z
adjusting the Low Frequency Reproduce Equalization using the Reproduce, Y% L* ]! a( r, O
调整低频再现均衡使用复制$ u0 n3 d) U0 R1 a
Alignment Tape does not produce accurate results.
) A+ G. z6 g- E' |& W- k调整带不产生精确的结果。3 Z6 P3 n: t9 e, i8 L1 B
1. Thread the machine with the 15 ips Reproducer Calibration tape.
$ J. a1 F% E8 l0 V, p) M1。螺纹15 IPS设备校准磁带机。; [* E- s9 o* w) |. Q: }: F
2. Set the SPEED LO/HI switch to the Hi position.) v! Z  m  ]" m# o# y+ q
2。设置速度的高低切换到高的位置。
9 t( R8 R, j/ G0 S3. 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).. f' z$ P" B: x6 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)。' |9 h) I+ Z* U) p7 W" G
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.$ D8 U* l) @& k8 B  Q  b4 k
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。
$ o3 w6 b" H. R# R; T8 A% ~5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
1 V2 H" D1 e! V4 M  _+ V* Z5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。! L$ p7 R4 `9 w& V: E" l; E/ h9 {
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
3 l3 s6 V8 @; _6。螺纹7.5 IPS设备校准磁带机。& M, ]% f( u- i) G# X2 N: r
7. Set the SPEED LO/HI switch to the Lo position." N/ }' a/ d) i6 q
7。设置速度的高低位置切换到LO。
. ?$ I$ s) k! v& S" C8. 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.
  L2 x9 S: c4 c7 b& \( j8。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。
3 e: w: O, ]8 mNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
' V. ^, _9 h: X3 t2 c注:7.5 IPS校准带均衡音在10分贝以下记录
- Z6 w  {* S0 |' B+ U7 _reference level.. M6 `7 \: ~" O- R# q
参考水平。
; k3 ?$ Z' V$ K3 g% e  f6 F9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.6 f6 z1 P7 {0 _" p4 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。3 w* Q1 G: z  e8 d
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
% N5 I1 G% W% e0 ~1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.0 t# S% x) H: S4 l
1。连接交流电压表CH 1输出连接器。  ]- L: h5 Y6 Y" R
2. T ...
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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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