为什么要这样调整小谷MX55开盘机的放音特性

红灯记

奇异 发表于 2015-2-2 15:22
+ D/ ?8 J0 k6 }. B1 P+ x是不是换了磁头？这金黄色磁头是不是国产的啊，

2 G4 P& A( B& A! u7 A, ]+ ^8 r. q金色是原装的，换上去的是国产组装产品

emgc

红灯记 发表于 2015-2-1 11:38
; Z* B1 {( e( O3 n' v) }, c  S0 {/ R; o原文出处：

1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
( a6 F6 B" b1 ?3 z( G8 P1。连接交流电压表CH 1输出连接器。
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.
. x# x. d3 x5 W( h1 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。
* R1 l1 B' Q) I' s5 s" B3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
3。在磁带放音机校准参考水平的部分发挥1千赫。
7 X1 O- L7 x* E7 }4 E% m, N4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
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。
+ E/ O! a4 I& S1 U  k9 V& k5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
+ P3 D) v& F9 I) M& w, s3 \' Q5。重复步骤3和4通道2用CH 2摄制水平配平¬MER（vr25）。
7 j5 \; H9 |9 G; }- m( B4 `4.3.3.4 Reproduce Equatizatioti Adjustment
equatizatioti 4.3.3.4再现调整
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
注意：本程序调整高频再现均衡。
The Low Frequency Reproduce Equalization is adjusted during the Record
* J8 _% N0 Z9 l' N低频再现均衡是在记录调整
Alignments. Due to the fringing effect which occurs at low frequencies,
: m+ n/ R+ r7 z对齐。由于边缘效应在低的频率发生，
adjusting the Low Frequency Reproduce Equalization using the Reproduce
9 W6 m9 N" ?. O6 U; z* B调整低频再现均衡使用复制
Alignment Tape does not produce accurate results.
调整带不产生精确的结果。
4 D. i5 F! a2 i, Y# P8 H. ]1. Thread the machine with the 15 ips Reproducer Calibration tape.
1。螺纹15 IPS设备校准磁带机。
2. Set the SPEED LO/HI switch to the Hi position.
' e! A9 y; k( T. s2。设置速度的高低切换到高的位置。
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).
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）。
3 M( m) V1 X1 k4 F4. 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.
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。
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
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。
/ z0 J8 n4 _5 \) A+ D6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
6。螺纹7.5 IPS设备校准磁带机。
7. Set the SPEED LO/HI switch to the Lo position.
: p6 b- A5 a1 X' S* w. u; {2 ~7。设置速度的高低位置切换到LO。
% w, s* z- W- M4 {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.
5 p1 b& z& o4 s2 n% L# A8。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。
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
注：7.5 IPS校准带均衡音在10分贝以下记录
reference level.
: |  M! X7 M. P* N2 a参考水平。
3 Z( B- P/ ?' _* M9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
% k- s; V% u2 W# v9。调整CH 2代表情商HF L微调（vr29）直到交流电压表指示6 dBu。
- t- l' |" R( K: A6 s8 v

dianfan

emgc 发表于 2015-2-3 11:15
$ u( I. m. G' N8 }1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
1。连接交流电压表CH 1输出连接器。
2. T ...

刚到手一台 MX-55D ，真想调整一下， 看起来很专业，也很复杂。