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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" ?. `, P& k1 g+ x$ Z; Q
是不是换了磁头?这金黄色磁头是不是国产的啊,

- f  H6 v6 _4 f" [4 Z' m9 M6 P( i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
- g8 m9 r& C8 x6 R: [6 C原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.! I  E4 ]9 `. w# Z- C
1。连接交流电压表CH 1输出连接器。
  p0 k- l1 P4 c4 D- T5 Q- ~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* a1 J( j0 q! a+ f2。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。  a3 B! ^& Q' G
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.$ d2 h4 ?* [# `5 C& x6 }
3。在磁带放音机校准参考水平的部分发挥1千赫。
( G/ q& `. O9 Q* g$ ]4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.1 R9 d7 u+ k% I) v* 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。0 R; t6 m0 }1 V" w
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).5 h; n! P9 ?' g
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。, M9 g" q+ h2 h9 q1 n6 R0 y
4.3.3.4 Reproduce Equatizatioti Adjustment# O8 A2 W( Q$ [4 W) s  |2 X9 k
equatizatioti 4.3.3.4再现调整9 y- X) a' t6 E- Z* X
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
( e' X) [5 b( i注意:本程序调整高频再现均衡。2 w* }! S# H+ g, V4 E
The Low Frequency Reproduce Equalization is adjusted during the Record8 J  Y4 S0 Z* ~, W/ J/ x
低频再现均衡是在记录调整9 P9 s* a5 I8 M' V# v$ b$ b
Alignments. Due to the fringing effect which occurs at low frequencies,
2 K: D* N9 o' A! R" ]4 [对齐。由于边缘效应在低的频率发生,6 ~" ?* D) f; W8 m
adjusting the Low Frequency Reproduce Equalization using the Reproduce( q* ^$ n3 \: ^7 A: R
调整低频再现均衡使用复制
3 Y; S/ ]: d( n8 `Alignment Tape does not produce accurate results.
5 _; J9 L- u- b2 D, N7 u调整带不产生精确的结果。0 @( i* Y6 S  O- K0 X
1. Thread the machine with the 15 ips Reproducer Calibration tape." k5 m3 }& D9 P3 E, v
1。螺纹15 IPS设备校准磁带机。- \) k4 W4 S1 j& T5 J% c
2. Set the SPEED LO/HI switch to the Hi position.
" ?" p3 T$ ]. O4 F: ~2。设置速度的高低切换到高的位置。
# J3 v8 _- V6 z9 N+ m( d& Z; K7 e  b3. 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).
$ {% j' B! M# o, j4 s3。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 u8 k7 A0 I1 G, v4. 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.; W- V; g$ s' Y$ g8 g3 C( w
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。
( P8 o( D( I. R! C% Q4 A5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
+ |. H4 @; }0 k$ v, I* A5。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 C4 d9 n& }/ t3 O: u3 I
6. Thread the machine with the 7.5 ips Reproducer Calibration tape./ U% F9 v  e$ {8 k! i0 \
6。螺纹7.5 IPS设备校准磁带机。- s$ |, [4 R: n
7. Set the SPEED LO/HI switch to the Lo position.
( y( t# e. K- V) m6 L6 G6 H2 |7。设置速度的高低位置切换到LO。
0 X* U/ Q8 n2 p: 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.4 C1 N( f, M$ P$ W. L8 g
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。+ ?# P9 Z$ s) m, |  }3 w- j
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
+ y0 J: @2 x8 ~4 d注:7.5 IPS校准带均衡音在10分贝以下记录
( c  V( u$ n% p- i1 c! s( B! ?3 K. Sreference level.( O5 w! e/ \. d8 E  x$ c$ @& [/ _- W
参考水平。
1 |& p. b3 I4 j6 Y8 J  t: K, j+ `& o# p  l9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
, X) h7 J! Y/ \1 g  D# D9。调整CH 2代表情商HF L微调(vr29)直到交流电压表指示6 dBu。: p) U9 p5 [1 q
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
$ |9 u1 v1 @5 K+ e1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
( V9 x, b2 g9 w$ C7 B8 J9 B1。连接交流电压表CH 1输出连接器。
( ~' F2 B3 R+ Q* x5 {* Q+ a2. T ...

3 ]# o. ^3 {; a; H1 `5 Q' n1 \! 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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