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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; o& t% N. q  R1 r8 K. ^9 H
是不是换了磁头?这金黄色磁头是不是国产的啊,

; I8 D  s7 s% x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' c9 [7 C: ^, M. i7 h- W* M0 V1 C9 Y
原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.& I. v& H0 p3 R: \6 W
1。连接交流电压表CH 1输出连接器。  i( z* F7 h& E( l9 X
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.
2 u& d0 E3 [& J9 ]1 q3 c7 P1 M( a2。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。) S3 C. j* M1 {# _. w) d
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.* a3 b# U* v5 l! T7 F( Y$ Y9 P
3。在磁带放音机校准参考水平的部分发挥1千赫。
& f, Y9 C% Z7 P4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
# d& F! A0 ~3 v, E4。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。
, E/ q' P- O; s7 K6 g) S5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
, R$ ]- b1 t( s+ I5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。" v! o6 a& A( S! J
4.3.3.4 Reproduce Equatizatioti Adjustment
6 \( z% ?& n" f3 Z+ qequatizatioti 4.3.3.4再现调整+ ]5 V. D5 \0 o0 s+ }% t
NOTE: This procedure adjusts the High Frequency Reproduce Equalization." |) _' @) V* {; `% I! o# E
注意:本程序调整高频再现均衡。/ ]; G/ W) J# g
The Low Frequency Reproduce Equalization is adjusted during the Record/ W2 Q- q3 p. N. g* l0 s+ C
低频再现均衡是在记录调整4 Q7 W5 k* O) c" m) w
Alignments. Due to the fringing effect which occurs at low frequencies,
# P0 y1 F" X3 _- [对齐。由于边缘效应在低的频率发生,% T# h  T7 o; R" ^! A0 ^$ D
adjusting the Low Frequency Reproduce Equalization using the Reproduce
$ v% G+ u, i& L/ [9 V+ V调整低频再现均衡使用复制
6 M) d2 G( t$ d9 r; UAlignment Tape does not produce accurate results.( k& m$ r' q1 `! Q( M
调整带不产生精确的结果。4 w0 r% t: N+ G) r
1. Thread the machine with the 15 ips Reproducer Calibration tape.
& F0 z2 i1 h9 w9 v: B5 Q1。螺纹15 IPS设备校准磁带机。8 R. B. k7 j- B' q$ T" `
2. Set the SPEED LO/HI switch to the Hi position.( s& _/ h& f9 R! `$ p
2。设置速度的高低切换到高的位置。% `2 u  y* j% ?5 I% w1 l1 V6 Z
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).
' W( ^% n* w8 n% E3。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)。
) Z1 A4 \" q5 M! f4. 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.8 r* Q  I; J- ^2 X1 [- K) |% B
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。
% {* G* N& g3 Y" ^8 S5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
4 S9 ?$ K: ]1 f- P8 e5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。- R( x/ V' Z2 x; }% V1 w* @
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.7 b! Z, h# d  m. U. h
6。螺纹7.5 IPS设备校准磁带机。3 t" b: y: E: c- i
7. Set the SPEED LO/HI switch to the Lo position.
  j  ?# U" s) J7。设置速度的高低位置切换到LO。
* E) _0 F$ Y. F$ }8 C8 S2 I8. 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.
" q4 ^( E% V1 n8。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。6 |, ^4 x1 g0 K! d" P5 ]2 {
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
1 o. e, w' r  b& M" H* W: |/ d9 _注:7.5 IPS校准带均衡音在10分贝以下记录. a2 \. ~7 d/ f8 D
reference level.
( G5 d5 v5 f7 n9 M  e5 p参考水平。
! G1 n6 c$ T8 t4 g( ?* j9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.0 \# }9 e* ]2 H5 G
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
4 }$ O& L, R5 R& `: e/ h1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.% y7 r6 [+ d  k1 J! g
1。连接交流电压表CH 1输出连接器。
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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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