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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
7 C- E' i% b, c' ~2 i# I是不是换了磁头?这金黄色磁头是不是国产的啊,
. l; g. v: A+ X# X" y2 `
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
( }3 v& y! J: B! v2 Z6 m5 @  W: W原文出处:

  v" \. W7 H, }; b0 I9 z1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
+ v" K$ [! n) m1 b1。连接交流电压表CH 1输出连接器。
" b, J& b: q* I0 n2. 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.
/ o# ?0 W/ F. z2 i( e* w2。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。
$ T" ~& i* x1 q" A: ~3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
3 X4 R5 q6 A" u& M6 k3。在磁带放音机校准参考水平的部分发挥1千赫。
4 {5 P; ?9 P1 C+ l- }4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.- Z  j) ~  x" B' P
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。3 p+ ?* A  p, ]3 q
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).$ g- d( s. P: I7 Y% T# v0 V
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。' T5 h- l9 X, `6 T2 F8 E% G8 q/ A3 `( P
4.3.3.4 Reproduce Equatizatioti Adjustment: W* O) I& x  W9 T% R8 m" h
equatizatioti 4.3.3.4再现调整5 `. J8 W) m$ G4 ]
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.6 Y- v9 `' C6 J: V0 c  q
注意:本程序调整高频再现均衡。
2 c1 U# R' {# t- ]7 x& Z# SThe Low Frequency Reproduce Equalization is adjusted during the Record# k" C2 K: D! s' |% ~2 c- X
低频再现均衡是在记录调整) e: X3 W4 Z$ b
Alignments. Due to the fringing effect which occurs at low frequencies,
/ C( C, f* K& ]( G% x% |, {+ }对齐。由于边缘效应在低的频率发生,1 X% A/ P. _; [. H
adjusting the Low Frequency Reproduce Equalization using the Reproduce
; ?+ b2 s9 ^% L. _4 ^调整低频再现均衡使用复制( W7 E% y2 {2 E4 [9 X
Alignment Tape does not produce accurate results.# A  {' _$ g1 L
调整带不产生精确的结果。4 R6 b& _: u& a3 x/ J
1. Thread the machine with the 15 ips Reproducer Calibration tape.
! v5 y, _9 x+ X3 F5 d, D) N: ~4 M1。螺纹15 IPS设备校准磁带机。
1 Y! j/ q9 E/ F4 k( o2. Set the SPEED LO/HI switch to the Hi position.
' T* w5 i1 u! `/ [2。设置速度的高低切换到高的位置。
8 f+ i- D; @. C& S3. 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).
/ O' X0 K# `, ?, w: r- 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)。- a- R* m. `0 K) {4 r" a
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.
! @, ?" y9 m& h" y. p' I5 A( y: ]* s4。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。
4 R4 ^$ B# k4 F, _3 y5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
% f' L$ F( A$ y7 g5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
/ v: n. b6 ~4 d: c- Z4 u3 o9 [, ^) R/ _6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
5 r& M1 G6 j# r) a6。螺纹7.5 IPS设备校准磁带机。6 Y! \8 k: b" e3 o5 M, f; v: Q3 C
7. Set the SPEED LO/HI switch to the Lo position.
* D! Y9 }% @* R3 A3 ~! A8 M7。设置速度的高低位置切换到LO。: ~% w3 I8 ]1 x6 o# K3 D5 h0 W2 ~
8. 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.( Y$ L' J8 m  t2 O0 n" E
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。: s1 w% A" H' r+ U' e6 s  {* r
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
. [9 z* K( J* _- p& ?9 B注:7.5 IPS校准带均衡音在10分贝以下记录* k, E' |" J" e9 h$ G4 V
reference level.9 U6 L; a+ I9 m; v
参考水平。8 m1 H+ V- ~  j; j4 ?
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.8 r, f) D, l0 M7 R3 i
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。$ E# [5 L. T7 D; B# N
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15! n5 T0 T0 u; N3 ~3 S$ F
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
+ E( v3 h- D* b$ t1。连接交流电压表CH 1输出连接器。
  o6 {$ H  N2 p" _/ Z( U& t7 O2. T ...
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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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