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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
% V, A  T& f9 z" ]) n是不是换了磁头?这金黄色磁头是不是国产的啊,
" @' c  n) E' t1 T& S/ g4 a1 k
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
: l, G$ `. J- R原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector." V% p" s5 q8 ?+ n
1。连接交流电压表CH 1输出连接器。
  m1 Y3 n: h8 q) l# r2 }+ R2. 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.
$ S2 `6 a4 f, Q* N6 l2。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。
0 U$ X3 f9 c& t3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.% a7 a+ C! c1 j; A
3。在磁带放音机校准参考水平的部分发挥1千赫。9 i; b, {/ Z5 {1 y4 U
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.. j+ K0 z1 s0 i
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。* u/ s. k0 p# u- o0 W2 S5 F- E4 Q
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).* h! O: C/ g: `+ `) |, ~: P
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
" @7 Q' A  ?* A; S# w) X9 ]4.3.3.4 Reproduce Equatizatioti Adjustment
. m! C: m& k2 G/ z6 o; S9 Vequatizatioti 4.3.3.4再现调整2 y: E1 [  N% U6 J
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
$ a; M0 ^6 V( F# J0 Z. N' B+ K注意:本程序调整高频再现均衡。/ @5 @0 x' E: O1 [
The Low Frequency Reproduce Equalization is adjusted during the Record# P. a# |4 b6 Z
低频再现均衡是在记录调整7 b  n8 E2 A- ?
Alignments. Due to the fringing effect which occurs at low frequencies,
4 H" H" b! J) p# H2 L对齐。由于边缘效应在低的频率发生,& S- B6 t' W% g* p  q: c' x& e7 x
adjusting the Low Frequency Reproduce Equalization using the Reproduce# A1 r6 {. i; |' u7 ^2 S
调整低频再现均衡使用复制/ J  W" o" v2 n7 v) {
Alignment Tape does not produce accurate results.
2 f5 `+ C+ R0 Z8 T0 J' y调整带不产生精确的结果。
8 V/ N' U: O! R1. Thread the machine with the 15 ips Reproducer Calibration tape.- T% p6 z( ?5 B
1。螺纹15 IPS设备校准磁带机。
6 L* x' g; P* I! l: v" S/ A: E6 _2. Set the SPEED LO/HI switch to the Hi position.
8 K2 T# p7 q! v. {2 I/ d" ~% J2。设置速度的高低切换到高的位置。
( q3 ~# h/ N4 }! w  l1 Y: e3. 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 c; z* z/ _0 X' Y3 \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)。
; Y( T  t6 J, E. R  ^1 H9 G( J4. 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.
% X, I! ]% _+ h2 x4。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。
4 Z  `2 T4 G6 T* r! h& o7 t5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
5 c) a3 y, E" j/ f5 r. M5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
: a7 l( q# j+ }! d% Z% l6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
. K* [3 B* J' ?$ Z% d$ f6。螺纹7.5 IPS设备校准磁带机。
3 O4 e- ^& b- v# s, F7. Set the SPEED LO/HI switch to the Lo position.5 E7 r. i2 F& d
7。设置速度的高低位置切换到LO。
8 M9 H/ m1 K& G* x, w6 B8. 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.- w0 V+ E3 V: _' l' ]* ~  x; `
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。) w7 L$ P# Q$ J; o# R! p
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below; h& M$ b0 U/ |2 I0 r9 ^! x
注:7.5 IPS校准带均衡音在10分贝以下记录; m2 Y# y' W1 \  X9 }7 m
reference level." G  w  l, f1 ?8 g4 [& U8 O/ |
参考水平。% v6 \, J4 Y) n" U, r
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
+ c" l9 D  _/ i7 n$ e9。调整CH 2代表情商HF L微调(vr29)直到交流电压表指示6 dBu。, h( a, G- X3 t# W- A' 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
* H  o, D) K2 l; U- }4 m1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
0 G/ U# s( x6 {8 ]1。连接交流电压表CH 1输出连接器。0 }) m# d  `( v+ V* \" `+ C
2. T ...

1 g# `* @2 P; {9 u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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