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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; x( h( x$ Y+ u: A  Z, Q" _
是不是换了磁头?这金黄色磁头是不是国产的啊,

; v1 c, g+ E8 G4 R9 k/ }' V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
0 b/ e; v9 N- c; ]原文出处:

: @) x0 g+ C& o1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.# n3 v/ N  n' v% b
1。连接交流电压表CH 1输出连接器。. J) C: m% ?; A! Z4 W
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) D! t' i0 k
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。
7 D4 P5 d4 W0 P; k3 s$ F3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.1 O7 W; n# b1 ^0 P: k0 |, I8 Z. \' Q
3。在磁带放音机校准参考水平的部分发挥1千赫。
+ G$ j+ `- a7 `4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
( R9 P$ ^, x& h' ?, I7 I; h9 K4。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。
' m2 }& K% k/ e3 D5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).1 O* M/ F+ L- P! J7 I
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
* m" l  q0 i$ I8 E4 J- W4.3.3.4 Reproduce Equatizatioti Adjustment/ f) r# }5 o, Y6 e" [" B
equatizatioti 4.3.3.4再现调整5 a2 r  c- {# ^1 j
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.$ z5 Y) N* w/ K3 X
注意:本程序调整高频再现均衡。# c6 u. `' }7 q' D( r3 C
The Low Frequency Reproduce Equalization is adjusted during the Record
8 D/ b3 L( g( U, d) ^4 D低频再现均衡是在记录调整( `( s7 l) X1 P4 z% z9 n# |
Alignments. Due to the fringing effect which occurs at low frequencies,
: T8 ]+ v  z& ~* X* \" h2 i, R/ V对齐。由于边缘效应在低的频率发生,
/ y0 J  g" H* `0 A8 f5 V) Hadjusting the Low Frequency Reproduce Equalization using the Reproduce1 l! b. A0 a7 J; X+ B; X! l# v
调整低频再现均衡使用复制
* E% G! p6 p- E) T( }Alignment Tape does not produce accurate results.6 p7 z" ?4 A, P
调整带不产生精确的结果。. Y3 I/ X& t1 ]: \
1. Thread the machine with the 15 ips Reproducer Calibration tape.0 p! h( y' Z1 q0 E% e2 V$ d
1。螺纹15 IPS设备校准磁带机。. }+ x. M8 N& a) g8 s+ T
2. Set the SPEED LO/HI switch to the Hi position.- V) z: X: k% [6 K
2。设置速度的高低切换到高的位置。
  W8 I5 J7 g: \+ R. 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).5 M& O( {; q: H1 D2 r
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 ~' ?  T+ T# W6 ~9 g# n4. 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.
6 ]& U: L$ o  V+ ]) D- o' I4。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。! q8 f: v  u6 g+ Y8 r
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.: n7 g# k6 P+ [: u/ ?
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。- B$ A# h; w# Y6 |
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
+ e$ W" Q4 A6 E9 w  l" t6。螺纹7.5 IPS设备校准磁带机。
* d* Z1 Q4 f6 @' p7. Set the SPEED LO/HI switch to the Lo position.7 e- Z/ i5 s/ B: A- l1 H
7。设置速度的高低位置切换到LO。
" d0 B* t- {% g" O3 k4 `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.
! p- X: z' _7 x0 @$ I2 H, J) m8。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。9 ^, o. r0 q7 l* |( C3 O3 [
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
$ y8 l' ?4 f2 O" ~% ?1 o- R注:7.5 IPS校准带均衡音在10分贝以下记录3 p: J8 ?5 t9 z! ?! {9 Z: ~
reference level.
5 i& @- c9 U: S  F6 J5 Y$ C5 ]参考水平。; ]/ q( s' k6 e- ~
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.+ U% {% `# ]; O8 |5 @9 b0 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。# R* P7 I6 P; W: `" E
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
0 _' N  v5 f/ i* f* s1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
* w7 |+ R: W/ ?! i1。连接交流电压表CH 1输出连接器。
9 o0 y3 K5 F) S- ?" ]2. T ...

' K, ]- i3 i5 t  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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