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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
& n8 T4 @( {% R) Z( Y" d是不是换了磁头?这金黄色磁头是不是国产的啊,
: _) Y, B+ w9 {* M% |& 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
! E  l1 F) h/ U) E原文出处:
: x  ]9 S" G  O" n/ M: z
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
+ r+ f; B8 U" k. x$ X' A1。连接交流电压表CH 1输出连接器。. h* ]; H$ A4 r7 }
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.
7 P. @3 X. o, Q1 ?. m. t9 w, Q% r: K  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。8 l) g- B; Z% j, r; u0 ?
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.. O" M% s! ?* W9 i0 B
3。在磁带放音机校准参考水平的部分发挥1千赫。; d+ U6 B% V# [
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
1 K) e( H  }, H7 Y; d0 t4 T& E" S4。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。
9 w* v5 a- `. `  r/ W$ }8 k  y5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).7 \9 ~& i: t2 S  w4 t' @3 {) R, ]
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。- q* |" I* o1 y: C) E
4.3.3.4 Reproduce Equatizatioti Adjustment) x* C2 Q8 m) @
equatizatioti 4.3.3.4再现调整
( ^. H- V" Q( p3 @' k$ t) lNOTE: This procedure adjusts the High Frequency Reproduce Equalization.
, \: m6 i$ r- P8 `7 ~注意:本程序调整高频再现均衡。8 r! A3 f' W. V3 O+ U) E" e8 h
The Low Frequency Reproduce Equalization is adjusted during the Record  g  p* }- O5 u
低频再现均衡是在记录调整" C6 _* q1 C( x/ B5 g# m5 a
Alignments. Due to the fringing effect which occurs at low frequencies,
; a5 o* U8 Y( K, C对齐。由于边缘效应在低的频率发生,7 J2 b" b' F  l: d1 P2 l
adjusting the Low Frequency Reproduce Equalization using the Reproduce8 F' {8 y" p9 d2 c' ~7 p
调整低频再现均衡使用复制
  y( O- S3 W- M+ R7 B$ dAlignment Tape does not produce accurate results.
' f+ d6 Z# |, |* U调整带不产生精确的结果。
$ {* |7 k; V' ]5 X$ b- Z1. Thread the machine with the 15 ips Reproducer Calibration tape., \3 Y$ ?2 v6 @/ F9 ?  S
1。螺纹15 IPS设备校准磁带机。
& b4 t* g. G* e7 h, k0 o& U2. Set the SPEED LO/HI switch to the Hi position.6 F: z9 k7 Q' I, C# q- u
2。设置速度的高低切换到高的位置。! R# D& j. x  H0 H) W- J4 U
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).
" m$ s. W* W, o3。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 f- q8 |# N! W2 L; S+ i4. 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.
" N# g0 Z* n: _& F" A& h# O  y% e4。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 v" M% N7 b  A& a8 g8 {2 Z) Z
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
4 d% I( [8 j8 W  ]6 \4 }% o8 j5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。! j0 U8 X2 S8 s0 b
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
; g* c, r5 [& O6 y6 Z, W6。螺纹7.5 IPS设备校准磁带机。
! a" |2 G+ w3 _6 B7. Set the SPEED LO/HI switch to the Lo position.
7 n! x: I9 @: N! _: q3 w' }7。设置速度的高低位置切换到LO。
" Y$ h# X1 T% ?) o3 P8. 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 r7 J9 q0 a7 E+ ?; O& i% z+ H" u8。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。
( e6 ]7 k: x: e! U, G# _5 n  n2 fNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
6 `) W9 W+ r  ~. r- X8 r* K, G注:7.5 IPS校准带均衡音在10分贝以下记录
6 @2 v* x: Q& \) K# S( E8 q$ ^reference level.
- S8 Y5 P( B2 l  G5 T参考水平。! e7 p7 F: K) a7 Z! q! ^. x
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.5 p4 c! ?& q  K: F8 `5 M
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。
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发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
, l& c! P% r  D% L3 M+ z# M! t1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
" y3 k( b- a; ]  p; i4 ^: Z1。连接交流电压表CH 1输出连接器。6 _+ C7 y/ l- X" \7 v- E
2. T ...

6 X) v0 \& x2 p1 X$ ?! \+ s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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