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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) ~$ }' M3 x( W5 F$ i4 e- B
是不是换了磁头?这金黄色磁头是不是国产的啊,

2 v9 N/ x: H5 z$ }! Q4 s: y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! R( w( u6 x0 R3 K0 W8 a6 g8 Q
原文出处:

( w+ J! Q$ Q. F% \! A1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
5 h% }) a" F' k+ f7 w. x) Y1。连接交流电压表CH 1输出连接器。
/ H- A4 R5 k% z; |  A# f2. 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.* f: z  M) k9 P  U+ V" z! R
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。
+ V- p$ V) E( @. b3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
" ~! _( R, _6 Z- \3。在磁带放音机校准参考水平的部分发挥1千赫。
( S- O2 D1 c, v( X: w4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.  ?7 g2 K' {( m% a# ~7 \
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。/ I4 G* o1 Y$ m5 Y
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
6 v7 g, t/ J0 }' X5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
$ }8 Y7 h" K/ f0 e/ x4.3.3.4 Reproduce Equatizatioti Adjustment
$ x' m; ^! m# V; o1 }$ A4 kequatizatioti 4.3.3.4再现调整$ r2 `* p$ m$ C8 P3 j
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
& B) X" Y4 X6 v8 |& J# W注意:本程序调整高频再现均衡。- O! A# I' M$ U  ?- e( x* J8 i
The Low Frequency Reproduce Equalization is adjusted during the Record8 Z% Z, A8 o" a. w8 I& a( M! C5 {
低频再现均衡是在记录调整
) O" S0 P0 X7 ?) N: Y* u1 CAlignments. Due to the fringing effect which occurs at low frequencies,. Z4 q3 V4 o# |, ]/ |. r( h/ E
对齐。由于边缘效应在低的频率发生,# ]- i7 D  g  k5 i$ J. A
adjusting the Low Frequency Reproduce Equalization using the Reproduce
  h0 M! ^; @3 v; v& k% E6 z1 q) R调整低频再现均衡使用复制, z: ?# y$ v( B7 I* D7 }! z
Alignment Tape does not produce accurate results.- z" @( T8 r9 A# k% c8 p3 h
调整带不产生精确的结果。- ?3 A. n6 c5 Q2 D& _0 L6 {5 c, j* o% @
1. Thread the machine with the 15 ips Reproducer Calibration tape.
8 ?5 K$ d8 I  y; v4 n- h; h  U1。螺纹15 IPS设备校准磁带机。" S" t5 v$ L' |3 h
2. Set the SPEED LO/HI switch to the Hi position.
/ |! o( V0 J% A5 r! o6 w! T) M2。设置速度的高低切换到高的位置。
4 i7 w. P* d9 c( \3 h$ U3. 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).
8 r! @7 W; ?: R- C0 g" h3。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)。$ z( M3 y5 @2 H& Z' j' Z2 c
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.: g9 E8 N, x! g4 H, C- m
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。
- L$ L% q4 @+ c& |; y7 v5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.: z# P* ]4 V& f3 V: H2 `2 F
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。3 ~2 T' b' [4 f) \7 k: u: J8 S
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
3 s9 q5 h5 X( F2 W! H$ ]* R6。螺纹7.5 IPS设备校准磁带机。6 M0 c; M; \! z0 {6 R8 {
7. Set the SPEED LO/HI switch to the Lo position.
, }! P- \) \+ b  y6 y/ }7。设置速度的高低位置切换到LO。
6 m" y. L0 p& s2 ]8 k% w8. 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.
  u- a1 f: t! O5 @; H% i5 C6 b0 h: Z8。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 p. |# M) _: m: N9 ?; q  \
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
7 J( R% q1 _. c注:7.5 IPS校准带均衡音在10分贝以下记录( X  S. c/ x8 v* x. n8 m6 b
reference level.
: j# Q, I+ E% V6 c/ L参考水平。5 @: k2 C0 V, Y+ {4 W
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
% Q7 G* q7 x/ z# I) n* J9。调整CH 2代表情商HF L微调(vr29)直到交流电压表指示6 dBu。
- d/ L7 Z5 G0 Z% {! y0 ~
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 t5 Q1 m7 i! W4 r1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.& I' w" o7 Y  _6 t( n3 `
1。连接交流电压表CH 1输出连接器。
5 T) {( k: ^9 k* S8 o2. T ...

6 f9 C1 S& R9 P, N1 C+ G5 t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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