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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" M5 J7 L2 x  E! \- d- [* V是不是换了磁头?这金黄色磁头是不是国产的啊,
: O8 }3 E* y5 `+ A# m9 {- P7 `
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+ f+ A" Y5 C! K6 h# [: M
原文出处:

5 ?" L+ i7 n! m1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.. t5 K& X' x, J3 _2 d& ?
1。连接交流电压表CH 1输出连接器。
7 S4 F. h* L9 }; h( ?/ y2. 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.7 @  ?4 E# z  _4 W
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。* Y; M8 P1 q' J( }1 i; l4 v
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
% u% K, A, B0 t& V( N) d. C3。在磁带放音机校准参考水平的部分发挥1千赫。; T. k3 _9 m. c- G9 j' A: {
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
. _3 p) _/ \7 j4 D; f& @& ~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。
' E: U: M, w! x! A! d' F5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25)., y) S# ^/ I, T$ I/ z+ C: ]
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。& l0 V2 y+ T2 g# Y- @
4.3.3.4 Reproduce Equatizatioti Adjustment
) Z) k9 Y( J. {& r( Z# g& y7 z& lequatizatioti 4.3.3.4再现调整1 K  u& U+ c5 @: Y4 [; x: @
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
# H. N$ j. G) C9 ^注意:本程序调整高频再现均衡。% H' i7 w# Y! y) }
The Low Frequency Reproduce Equalization is adjusted during the Record8 B# x7 r- o2 P; n. @7 F
低频再现均衡是在记录调整( |% W" U9 x" {
Alignments. Due to the fringing effect which occurs at low frequencies,
$ }! W; b6 P( }0 h# t( i. r& J/ u对齐。由于边缘效应在低的频率发生,8 S" n* C+ D" D5 Z) p, O
adjusting the Low Frequency Reproduce Equalization using the Reproduce
1 s# c8 m: r% O调整低频再现均衡使用复制3 a( R6 Y" D( v( {
Alignment Tape does not produce accurate results.
/ q/ F! Y; l. V/ i2 ?* g) ^- n3 ?% t调整带不产生精确的结果。
# a8 w) I3 S9 V: j# o9 l. l. l: M( ~1. Thread the machine with the 15 ips Reproducer Calibration tape.
1 d/ h, U1 S2 x5 b1。螺纹15 IPS设备校准磁带机。
% b! ^& z4 Y, k9 b2. Set the SPEED LO/HI switch to the Hi position.( x+ T  M- ^) u! Q
2。设置速度的高低切换到高的位置。
8 e4 p( M: \3 Q$ g0 A9 N3. 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& _9 T9 Y6 C, [
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)。7 o( P( @7 {/ U5 w; K# n9 g
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.
- V. m3 l% Q2 N- V5 t1 d4。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。7 n& ]5 Q! C5 j7 W9 ?
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
4 R' L3 E( w, L5 K5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
  L$ v+ w6 I" e6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
' S" @1 I6 z* B# x) E/ T/ c6。螺纹7.5 IPS设备校准磁带机。8 x; Y+ P: `  I2 V
7. Set the SPEED LO/HI switch to the Lo position.5 g+ }% z' x/ ?2 x
7。设置速度的高低位置切换到LO。
/ ^$ L. ?  B3 C; i  \% _; ]4 K% ^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.
- o4 t% ]/ B. T: q' C0 q, e8。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。
( j4 l. q; {9 c. x& ENOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
( \, P4 a+ k6 U! A  ^# b( P& k注:7.5 IPS校准带均衡音在10分贝以下记录
. C9 z) Z7 M) C' _# c% |reference level.
0 I, y8 e% I+ ?: Z参考水平。$ A" ]* S) L' ^
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
$ B: b4 p. a" d& }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 x% H$ a" ?8 U% p" f! P  }
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
1 K' v1 r+ U7 T  `8 _1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
% r+ G% P9 y' K* ^1。连接交流电压表CH 1输出连接器。3 c) S. v6 j# A5 g) _6 C# K5 O
2. T ...
( y6 X$ c9 o# T. R8 n' g
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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