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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  k: w; t1 h0 H: x" _, O
是不是换了磁头?这金黄色磁头是不是国产的啊,

9 K4 @- }4 E; Q2 R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
( N' p1 A( t1 z( N原文出处:
" _- p, c& e3 X. q6 F
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.8 {  x* `6 I2 `
1。连接交流电压表CH 1输出连接器。
7 N- {  x$ E8 h- _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.
' x$ z, y) E+ U+ U2。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。
$ y& L/ `. F1 `$ \# T, Y% u3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
0 t- n& q3 N, U! }5 q9 @' I, W3。在磁带放音机校准参考水平的部分发挥1千赫。
# `) \, ]$ E9 ?  [) p8 t4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.( G2 W/ B; b) H* m' D% S1 ?
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。
; v1 B% R  N( J; Z4 @; e5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).2 ^0 c" E3 ]  Y! @
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
0 }. }+ T" A( V4 C# c0 Y4.3.3.4 Reproduce Equatizatioti Adjustment6 A1 D! d7 ?+ j- l& U4 W( F' F1 H
equatizatioti 4.3.3.4再现调整
3 N" x! D5 Y: hNOTE: This procedure adjusts the High Frequency Reproduce Equalization.$ Q8 F* i3 y5 q/ o8 H8 ]
注意:本程序调整高频再现均衡。
2 }1 P7 V1 n+ E9 A/ v% UThe Low Frequency Reproduce Equalization is adjusted during the Record2 ?( N+ x: r" Z2 f
低频再现均衡是在记录调整
/ t% w8 L7 w; I% ]: wAlignments. Due to the fringing effect which occurs at low frequencies,
: e* j# q$ `  @4 m对齐。由于边缘效应在低的频率发生," n% W' M& S0 K( i
adjusting the Low Frequency Reproduce Equalization using the Reproduce- [1 L3 Z4 t# V
调整低频再现均衡使用复制# a& f4 [5 |2 l' Z
Alignment Tape does not produce accurate results.& f3 k- p" x$ X1 \6 K
调整带不产生精确的结果。% {# L2 `! d; E; U  v
1. Thread the machine with the 15 ips Reproducer Calibration tape.4 \+ [! I* M/ U6 b5 C7 \
1。螺纹15 IPS设备校准磁带机。
6 ]. f" m4 G" |( y2. Set the SPEED LO/HI switch to the Hi position.
/ o* p3 P( ]/ V+ O# w! W# h9 X# c2。设置速度的高低切换到高的位置。; b. I6 B4 w* y  I2 R/ }
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).( t+ l4 ^7 C* e; u/ p
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)。
% n4 `# f) Q& P' w- _: g2 }8 w/ 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.
% v6 }/ Q+ d' L1 O( w4。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。
% `  X+ {; |, A5 y) c; a' K5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.0 s9 W" w4 e: P" ~. d$ w1 D
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。7 S4 a% {* r  p# F
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
7 \) z) z3 ~, M  ^6。螺纹7.5 IPS设备校准磁带机。2 W7 @7 R2 K" W
7. Set the SPEED LO/HI switch to the Lo position.
6 t6 y9 ]" _5 d# p' h& L* {* Q7。设置速度的高低位置切换到LO。
- l* L% S  [  c& X- 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.
+ V$ Y2 D& @  [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。
' V; g1 R. X) QNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
- _6 q" l$ \% n. f. }注:7.5 IPS校准带均衡音在10分贝以下记录
4 k) W. M& w: ]- J; x$ Greference level.' L  g; G" P! i3 g& o+ R
参考水平。8 V4 h" h0 t3 ]3 b6 Z: g
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.' Y0 ^$ C- Y# a
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。9 i( ^. n0 z9 f% `0 T! J
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15, i( s7 J* `+ M  l/ N! U2 Z
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
8 h9 p" {( w) w. F1。连接交流电压表CH 1输出连接器。
! f5 \" B  u" v- Q' s2. T ...

  y9 W( S4 n% R* B) ?5 ?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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