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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+ Z: A4 |1 ?$ w) g; c
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 11:387 ~: b3 @% P" I
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
1 k$ l4 d, o5 T% l7 y& m1。连接交流电压表CH 1输出连接器。6 r3 L9 T2 r- F
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.9 a. `. F* }1 I. h1 I
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 B  D) u5 [0 |/ r8 @: i- h
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
9 Q1 i! a0 W' r$ z+ r$ R3。在磁带放音机校准参考水平的部分发挥1千赫。5 b2 i3 K5 N6 _# d
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
5 h$ p* R- t7 z4。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。; e5 }. q6 b* W$ F  F* n6 ]
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).* M, ~2 w1 s- s
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。6 }( o8 Y4 h0 ?) x0 l
4.3.3.4 Reproduce Equatizatioti Adjustment
8 `- T4 s+ v1 ^/ l* T. Y: Q4 ^equatizatioti 4.3.3.4再现调整
$ L7 Y3 Y" @+ W* wNOTE: This procedure adjusts the High Frequency Reproduce Equalization.
0 O2 j2 @. N* \; I( N* f8 P注意:本程序调整高频再现均衡。) F4 h( }4 T# V# }) w
The Low Frequency Reproduce Equalization is adjusted during the Record( ~2 g, n  K8 T4 P
低频再现均衡是在记录调整/ f$ _& B  u$ s! }+ W/ R( `
Alignments. Due to the fringing effect which occurs at low frequencies,
: I! N. i  m7 F( I对齐。由于边缘效应在低的频率发生,
6 G7 j3 H1 O3 a: _+ `* b" ~adjusting the Low Frequency Reproduce Equalization using the Reproduce% M0 t2 l( R$ j" U2 K. P8 _
调整低频再现均衡使用复制
4 u1 s1 D3 {- G; }Alignment Tape does not produce accurate results.
/ O" j1 w& {6 W. O& Y% ?' m调整带不产生精确的结果。5 q* U) B7 b. s- Q* S
1. Thread the machine with the 15 ips Reproducer Calibration tape.
9 |& z) b/ O% m: s4 s% y! b5 b1。螺纹15 IPS设备校准磁带机。! C8 g/ C* v' d& A6 k0 i5 r. ~
2. Set the SPEED LO/HI switch to the Hi position.$ n3 j. Y/ g3 O$ L2 M
2。设置速度的高低切换到高的位置。( M3 {( x. f& }. U& Q5 `9 H$ S
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).
/ F0 L, |1 x% h7 G& l8 j3。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)。
- P- E  k$ L2 ~# r4 t; |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.
5 j; ?+ C( N8 ~+ C2 _4 s# W% T4。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。3 I0 @7 d+ |/ ]
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
' p- a8 V' z. f  ?2 L8 `3 h5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。& O( i" r5 j7 C& y3 M9 L2 d* n
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.6 q* s& Q' i- D7 `* v
6。螺纹7.5 IPS设备校准磁带机。
1 T4 B: W' }6 g: G- Y: o3 t% K7. Set the SPEED LO/HI switch to the Lo position.
/ E! ]  V+ |$ I0 _- y7。设置速度的高低位置切换到LO。
! |% P& z& f# C1 ^+ t$ f8 N* b+ m8. 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.& F0 ?- b# S# w3 i
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 B8 O! U6 \" E" I+ b# N
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below6 h2 T; u+ I: Q7 G9 n/ r
注:7.5 IPS校准带均衡音在10分贝以下记录
" A& d% _9 K. K1 P- g7 ]6 B% M  zreference level.
- u, q) X6 ]6 _- ]. T" f参考水平。/ e+ f+ k8 J! N7 M
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.9 O0 k$ b' U* e- `: f. 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。# C2 O& n$ H/ P/ z3 g
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' @) M# n& D: G+ [  k8 ?
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.8 S& A# W) V: L! N0 A
1。连接交流电压表CH 1输出连接器。
' G- ?, X1 t2 B0 o! s8 E2. T ...

6 U8 \8 P6 w0 ?6 B0 L- J+ o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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