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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
4 T: F1 a  p- S/ l. i- u+ z6 Z是不是换了磁头?这金黄色磁头是不是国产的啊,
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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
! E9 a3 [6 M% @# Q  g- t原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
2 g$ ?- @0 K) M/ q' z1 o" S% ^% x1。连接交流电压表CH 1输出连接器。2 F9 _! `1 I! |) t) q0 ?5 E
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.
' p) G# ]1 \+ p  O* \2 s8 i( C; n2。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。
- q* h' x# h" K5 Z$ u7 p3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
; M" g* n3 X6 P$ F2 W3。在磁带放音机校准参考水平的部分发挥1千赫。
  f/ Z$ Y6 A- X, @& M; A4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
/ C2 E9 w* ~) i" y4。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。
* x! A0 ?" L# L! i0 t. w5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
6 H* d) M# x* v5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。! T" h2 W! b0 W% t& t% U- U3 q
4.3.3.4 Reproduce Equatizatioti Adjustment+ _& {" Q7 s) K& M/ z
equatizatioti 4.3.3.4再现调整
; g: r) A, d6 f, Z( t1 H- eNOTE: This procedure adjusts the High Frequency Reproduce Equalization.
# P+ z$ c+ B1 x/ O注意:本程序调整高频再现均衡。
8 }0 d, s, ?' v( h( n2 v# gThe Low Frequency Reproduce Equalization is adjusted during the Record2 D, m" v/ g0 [" l
低频再现均衡是在记录调整
8 j( F2 b" \. |2 u2 }Alignments. Due to the fringing effect which occurs at low frequencies,
8 {) P. b- x& Y+ r7 J0 O) E对齐。由于边缘效应在低的频率发生,: X8 d" x& M+ |0 p: ~- a
adjusting the Low Frequency Reproduce Equalization using the Reproduce
4 G" m$ `( C* X调整低频再现均衡使用复制$ c  t0 D, f0 T
Alignment Tape does not produce accurate results.
* ]% c# |, g% p& H调整带不产生精确的结果。0 F$ n3 u5 V8 l. A& w) p2 M
1. Thread the machine with the 15 ips Reproducer Calibration tape.' f' A$ ~+ l0 k  K+ d
1。螺纹15 IPS设备校准磁带机。) @" {3 G2 [6 \3 D" |0 Q0 G- H7 ~
2. Set the SPEED LO/HI switch to the Hi position.; d9 o; t& h% |$ D. y
2。设置速度的高低切换到高的位置。
6 x! y# b$ K8 J. Y: g3. 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).
& b  R% U/ R* l- I3 h) s$ W7 b3。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 J$ j" K* [7 Y% G, B; k1 ]( Q  d
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# l/ l. }) K* E1 s
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。/ r. ?" t/ l# x7 o4 r, Q2 [) O
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.+ V! `' R2 e0 U& E/ ]# ~$ g
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。
" I- B/ G, \& J" K( }8 V' m6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
* d) g( v3 f8 {0 [& U  ?$ [" \6。螺纹7.5 IPS设备校准磁带机。6 R" @# ~2 \; h0 m7 J$ F
7. Set the SPEED LO/HI switch to the Lo position.8 m2 x9 z) v. ]$ _& f" b- V
7。设置速度的高低位置切换到LO。
1 c/ P" `. J( L+ s( k8. 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.
* U' S% H+ e/ X7 S# G3 ?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。
1 T' K) V+ C' G2 z  I7 GNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below, S, Y  ]3 }% b$ i/ k
注:7.5 IPS校准带均衡音在10分贝以下记录' c5 r2 \/ U) n: {8 g7 [
reference level.9 j& q0 u5 U8 q2 z' g  ~
参考水平。
/ B& L0 _% g! `6 d' z7 b+ K9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
. N5 q- c3 g3 X  x) E: 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。- a9 X' F2 m+ w* x' x; X) I# 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
0 E. c) }1 W4 I, J+ N. `1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
3 F* }. P6 x, M, m& c3 l: q. e/ ?1。连接交流电压表CH 1输出连接器。
* f$ T/ k" u7 b$ R* a+ Y  C2 A% R4 i2. T ...

2 i: h% M9 K) \" @: C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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