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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% _0 J: r6 d( C) e; l
是不是换了磁头?这金黄色磁头是不是国产的啊,

( h4 c3 |! Y# f6 B! y, a9 t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( \% H- c2 y9 Y9 X, L
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.7 g4 g0 M* }6 _
1。连接交流电压表CH 1输出连接器。( I1 b* e0 |1 f8 b2 R2 _8 k
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.
/ ^- U5 A5 ]. a2。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 E0 U9 a( p3 S" Z
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.% C" U6 f, w% Y; g( A
3。在磁带放音机校准参考水平的部分发挥1千赫。  e' ?" E6 P4 O% e3 o& F
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu." ^* a- W1 `- z& c* H+ z1 ]* ~+ V
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。( c9 A# n3 x4 s# @
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
& Q! ~1 H- x' y& P7 T' ]3 c5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
- C& Y* Y% n! r# S4.3.3.4 Reproduce Equatizatioti Adjustment
! `) ~2 G5 Q* v, {8 q2 \$ `1 L# b7 qequatizatioti 4.3.3.4再现调整( D' x8 ~3 q4 @4 |
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.5 ~! w8 [- r# I  J# O
注意:本程序调整高频再现均衡。' u; H& B! v0 e4 t
The Low Frequency Reproduce Equalization is adjusted during the Record# G; e' o7 v: d' n1 T
低频再现均衡是在记录调整8 z4 [6 |8 o! p6 i" r1 c
Alignments. Due to the fringing effect which occurs at low frequencies,. n8 o" A" c3 Z4 W
对齐。由于边缘效应在低的频率发生,
1 f0 c/ |* E- M9 c5 N; M" Madjusting the Low Frequency Reproduce Equalization using the Reproduce
) G0 |! t- m3 d调整低频再现均衡使用复制
% A& O* L0 d7 J) y8 iAlignment Tape does not produce accurate results., b2 D0 R! T6 `) G
调整带不产生精确的结果。' C0 u( P/ s" A7 T: p
1. Thread the machine with the 15 ips Reproducer Calibration tape.  p; n% X: t; W9 O( X' W* O
1。螺纹15 IPS设备校准磁带机。  F( A) k( [& w$ o, B) u
2. Set the SPEED LO/HI switch to the Hi position.
8 f3 p+ a4 Z/ I3 f) V" d/ z2。设置速度的高低切换到高的位置。
7 m' X; ~8 p6 J7 Y. h3. 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).; y' C' c' S! b
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)。6 _! i" \* c; y0 E( 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." r- E  z- M7 {0 J9 R
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。
! D6 l3 w' @( Z$ R1 w* t4 H6 {, A, \9 W5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.. m0 W$ Y9 o' v) ^' G3 N9 q2 v0 x
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。; A0 V5 _& {% o$ B
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.+ U7 F0 H' E) _
6。螺纹7.5 IPS设备校准磁带机。# b( s! U+ p: s/ |
7. Set the SPEED LO/HI switch to the Lo position.3 I  Y4 g2 C! Q/ G1 W( |3 [& T
7。设置速度的高低位置切换到LO。- F0 ]' X. _, M+ ^7 c) i! s
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.0 j) X/ i' B3 B4 n; N
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。
, S9 U  Z  }1 F# X, {0 ?: PNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below( J4 \8 r1 q5 E. c
注:7.5 IPS校准带均衡音在10分贝以下记录
- j. Q3 B& ^3 b, I% p% n5 @reference level., ]/ D' r5 h4 F/ F: L* L' |
参考水平。
) |. E& n: V0 O& u* c+ a/ \4 r9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.; f( E0 i" I7 K* u. T, i
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。
6 \5 D# K8 f2 Y& y
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15  n8 x/ |' g2 x# s, l: e
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector." O5 K8 G! ?/ @
1。连接交流电压表CH 1输出连接器。
4 O& m4 `# d, p3 U: j' f: R) r2. T ...

# ?% b# f; f& a% B9 E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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