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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( z# K! l2 \: ]2 ?* r4 S
是不是换了磁头?这金黄色磁头是不是国产的啊,

: n$ A; p  p4 r5 j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
" w( i) C0 k+ m5 ?( }4 J9 h8 J原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
- c  o8 d- i8 p, V( q+ S1。连接交流电压表CH 1输出连接器。
5 \' [6 X) b. y" l  ~1 b: L6 ?" N: C/ y2. 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.; e" e, E$ M8 d, S* m& @' c8 `
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 j) R) p& [0 b4 q
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
2 g- Q" ?9 k4 W, w3。在磁带放音机校准参考水平的部分发挥1千赫。
+ X# u2 }7 w+ q. f8 l4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
7 Z1 O7 ~' G+ v0 c; Z- o) y4。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。
6 Y; s3 z) z9 d$ |5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25)." F! m9 N% a9 J$ ], G% K
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。+ U9 u6 K7 P- s( W
4.3.3.4 Reproduce Equatizatioti Adjustment; q+ K1 F8 F9 _1 v
equatizatioti 4.3.3.4再现调整3 g  ?; H) u; Q4 l
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.6 b, [' s7 P: g, H1 X: U3 L
注意:本程序调整高频再现均衡。, K6 U- V! L/ \; f7 e
The Low Frequency Reproduce Equalization is adjusted during the Record
& _/ N  @$ {7 H6 k" n8 }) S3 T低频再现均衡是在记录调整2 u3 @/ N) S' C. j6 o
Alignments. Due to the fringing effect which occurs at low frequencies,' X9 z, e- P' _
对齐。由于边缘效应在低的频率发生,
2 N2 v3 h/ g4 jadjusting the Low Frequency Reproduce Equalization using the Reproduce
; m. K: A0 P0 Q6 {* f调整低频再现均衡使用复制
+ u9 K, t1 N( o3 |& j) a# U& P& \- c( qAlignment Tape does not produce accurate results.
1 [! ~4 J. g# J$ ^: D4 o调整带不产生精确的结果。+ V* ]7 b% L, w. F3 ~
1. Thread the machine with the 15 ips Reproducer Calibration tape.
) r% v/ ?. d: C2 J1。螺纹15 IPS设备校准磁带机。
6 W: B/ v( a7 L; x+ a: c' f2. Set the SPEED LO/HI switch to the Hi position.
8 w, ?- A, \. M/ J5 L3 P0 b( O2。设置速度的高低切换到高的位置。
  l6 l! t1 ^3 o, z  k3. 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).0 a! a. J# e* \9 @+ 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)。
7 q4 T% j! ]0 B; Y4. 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.7 D$ J; W- O- J; ?
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。0 R5 J3 T1 O1 b! v: `
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.! c; |# `9 n2 j  m, H$ D4 W
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。
3 B2 o& M3 u! ~% U6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
8 o& N1 t: E  V6。螺纹7.5 IPS设备校准磁带机。  P% a# E2 i( E$ O  N( _  j
7. Set the SPEED LO/HI switch to the Lo position.
! O; q$ C' i. y, X- `" p5 C7。设置速度的高低位置切换到LO。. N$ N6 s% j$ ^7 p" c. |, [0 w
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.
. L: g2 K8 I3 \! H8。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。* Y- ~$ V0 E% `) b+ b7 Z) w8 O2 e
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
7 L- ?! n9 ?5 z* M注:7.5 IPS校准带均衡音在10分贝以下记录" |8 [+ A$ j4 s9 O5 b
reference level.
: d- k( s$ c5 K6 x1 K: F( q参考水平。& ]) P: k( c8 a) A: K: V
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.* z+ j( E6 I  K# m
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。
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发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15) c3 N: g/ U/ X  C& m6 {
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.) m! W, I* H: c$ u& P
1。连接交流电压表CH 1输出连接器。: c2 x: Y1 E- r7 K0 q
2. T ...

% w6 w" l$ f/ R, s0 v: m; S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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