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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) }9 i' o; q, U
是不是换了磁头?这金黄色磁头是不是国产的啊,

+ Z, I/ ]' {5 J* a: j" u; a) u( 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( s; h" Y6 T% J9 C
原文出处:

6 p  Q' ?, L' l) k+ E* H& }8 f1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
' ~' N% {+ W4 y8 M% a0 {' q1。连接交流电压表CH 1输出连接器。: \$ n* A6 ^% o3 j7 r
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.% N- t( U% x, U
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 }! @8 X5 F- l! A9 H0 K
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
$ B/ w( i0 p1 \8 z! V3。在磁带放音机校准参考水平的部分发挥1千赫。5 ~1 k; e! C/ @* f& Q
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
$ M# k8 i% G( n2 y2 l' S9 t: K; j; y; g4。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。  M* P4 V) Z' p3 j
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).' D8 U. u5 N' e6 [1 ~9 f; G- P
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。+ b2 ^5 g! T( K) G' s+ Y
4.3.3.4 Reproduce Equatizatioti Adjustment$ W8 U. F6 b; f/ F% B+ R8 N& }
equatizatioti 4.3.3.4再现调整3 |! o1 V5 N1 N3 u% S% F, }1 J
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.* D* U1 {2 _# _. v& N$ s$ ^
注意:本程序调整高频再现均衡。1 N" W% R9 a- Z
The Low Frequency Reproduce Equalization is adjusted during the Record
/ H$ N7 _* n+ \# T$ N  n低频再现均衡是在记录调整
! o- l, s& @2 V% Z9 ]/ M$ PAlignments. Due to the fringing effect which occurs at low frequencies,
" w: P1 G5 L6 i, O0 ]: M对齐。由于边缘效应在低的频率发生,
1 ^$ y6 a9 Q* j0 ]$ j' `adjusting the Low Frequency Reproduce Equalization using the Reproduce
; i0 _, b$ J7 J  u调整低频再现均衡使用复制
2 z. O2 P& s/ F/ v% u3 {6 YAlignment Tape does not produce accurate results.7 y) {1 b9 q0 V! t7 {0 x
调整带不产生精确的结果。, }9 n# `5 N( h1 {2 p" \/ c
1. Thread the machine with the 15 ips Reproducer Calibration tape.
  B: S& b8 u, R- ?1。螺纹15 IPS设备校准磁带机。
9 T, A2 |) i' |. {6 l2. Set the SPEED LO/HI switch to the Hi position.4 {' V; e! _2 a; s( H6 I6 n2 }; w! J
2。设置速度的高低切换到高的位置。/ f; I* a0 R. G- u- H" H. y
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).% A4 A/ p: C) v) F) `8 i# L9 N; \
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)。' K4 ]7 K9 a# H( W/ \" Q5 X0 v0 a
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.) v( z' L; ?  Y0 d( a
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。
6 Q! n  c4 ^( `5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
+ b( V) c( h. e  [/ V" Y5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
( |6 Y* m; D6 K' K2 }6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
/ E$ u  u( r2 L3 A6。螺纹7.5 IPS设备校准磁带机。8 N9 M+ x1 o3 Y( t& r& S
7. Set the SPEED LO/HI switch to the Lo position.3 h# l6 m; F) ^6 _
7。设置速度的高低位置切换到LO。
! `, h0 V$ Q2 X: X8. 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.6 S( g, \, E6 L$ I" p& |' p# 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。' Y. x. D) G1 M) c8 [6 Y# g. a2 i' U
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
" K( f8 z  ?) s; z: H( w注:7.5 IPS校准带均衡音在10分贝以下记录
9 D- I1 J+ ^1 p1 }; i0 T) W& ^, zreference level.
; D! i1 T- C/ j6 D  N  P7 b参考水平。4 C/ X9 l/ y# n
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.1 t. M) I6 m/ b; N8 A  L$ v
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。
) K0 H! r) K/ V9 Y7 S
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15# t# M; ]! S+ f
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
8 w3 V/ i+ B7 W0 k9 t1。连接交流电压表CH 1输出连接器。1 R9 `; y' D- A8 R
2. T ...

$ a9 n) e/ j8 I* J6 D8 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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