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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
4 z: |' X3 ?  B* T' H+ `* B是不是换了磁头?这金黄色磁头是不是国产的啊,

  G8 |: _9 N* N8 }2 O* n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* a7 H3 D- o  x! k9 g+ F* g8 j
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.& s" I4 }, d/ }2 u
1。连接交流电压表CH 1输出连接器。1 E4 g1 W$ A, x# k/ d
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.
  }! k* P4 k8 g9 |7 w# t2。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。8 m, N/ r+ z- K1 S
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
( g8 i7 N$ K" Z' Z2 g. h% R* Z3。在磁带放音机校准参考水平的部分发挥1千赫。
' T( \9 G$ Z$ d7 @/ V4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
2 `6 b8 o/ T3 @; ~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。# [: r+ D0 X4 p2 p$ i$ a5 }1 M& p
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
( x- g5 d# ]- _5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。7 V1 l  `: J8 r2 Q7 _& i
4.3.3.4 Reproduce Equatizatioti Adjustment
4 i7 B$ F7 w9 F) M  T/ qequatizatioti 4.3.3.4再现调整
8 f- s+ Z: k! X9 F  h+ K* VNOTE: This procedure adjusts the High Frequency Reproduce Equalization.1 K) _2 _! o' v( [  W' ?) l
注意:本程序调整高频再现均衡。
* z9 K4 y  b$ S- g6 A% u$ cThe Low Frequency Reproduce Equalization is adjusted during the Record' V2 N/ I" |& J* `0 W4 p
低频再现均衡是在记录调整
4 v: Q0 f! {9 [' dAlignments. Due to the fringing effect which occurs at low frequencies,
' y: P. q0 o) B- C$ y  x, C- M对齐。由于边缘效应在低的频率发生,0 d' g- r2 o% t( L3 C
adjusting the Low Frequency Reproduce Equalization using the Reproduce
- Q/ R% ^, K1 x% M# q( f调整低频再现均衡使用复制' v3 M  F* B, c. W
Alignment Tape does not produce accurate results.+ p1 w* n! B. ?, Q5 o
调整带不产生精确的结果。$ ]" [' ~7 d3 V: K  {
1. Thread the machine with the 15 ips Reproducer Calibration tape.
$ V& i9 M* H; H( g* ]. ^8 o3 u! {1。螺纹15 IPS设备校准磁带机。* h5 Q9 A! H) x% {, @: ^
2. Set the SPEED LO/HI switch to the Hi position.
' r- Y% {9 w, B# ~) I8 g! t! N/ g2。设置速度的高低切换到高的位置。. o* _1 n) e# J
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).
% e. G) ~9 b& Z3 l4 j6 G8 \7 }' Y! Z3。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)。% I& A  Z  |9 p! q7 ?7 T$ q
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.
1 W1 _2 z- c7 ^' r( s( h$ e4。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。7 ~1 F9 `( f' Z: r) L& E
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
" ^3 h* a) a1 l% g! R5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
  ?% F- d4 i5 k2 R4 ~2 S* Q: P: C6 }6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
2 V( \: h& q6 @2 m6。螺纹7.5 IPS设备校准磁带机。  n$ z% N4 O. Q1 X* a3 c
7. Set the SPEED LO/HI switch to the Lo position.
- |9 _2 |" p+ w& M" p7。设置速度的高低位置切换到LO。
: a7 O% ~& B* D1 m, \' F8. 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.# Z, ~9 u$ S. M4 l; [3 H- V8 w
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。6 g; {7 y6 y" T* i0 U0 J
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
) o# q' R$ b- B7 |' j$ V7 X8 A* g注:7.5 IPS校准带均衡音在10分贝以下记录
7 s6 U1 G' K! [. Z  qreference level.% T2 Q# F7 P% s6 E" n& S* Q
参考水平。
1 M! G- ]3 `& b7 S; k) Z' I. w9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu." c/ a# q+ i$ [& a( J5 _
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 a. Z8 N7 o& u6 M
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15/ F/ x5 d8 E, t+ E( J; A! g
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.- Y# p6 l" e! L) h: g0 j: |
1。连接交流电压表CH 1输出连接器。
3 O$ `' j" J, \% X- H. w1 ~6 @/ _5 z2. T ...

# _0 m6 T. h. c9 A, m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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