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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  w1 Z/ L* `. s
是不是换了磁头?这金黄色磁头是不是国产的啊,
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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
* p, b3 O6 d- V4 i, G原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
$ Y) a, ~* S1 F4 G! s1。连接交流电压表CH 1输出连接器。' t/ B2 r+ y0 C& F. }( \
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./ ?+ x3 F8 ?/ Z  J0 x4 ], `9 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。( Q) R8 M7 k% e6 z7 K
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
* y3 {& a% R. M& Q! g. j$ [3。在磁带放音机校准参考水平的部分发挥1千赫。
: B( ^' n. D$ f, x0 n- L8 Q  x! J4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
4 `7 \* L: Z6 W8 V- Q2 S8 i" o1 g4。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。
* n0 M. W6 M4 E* h+ v( }5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
5 L3 _2 j7 |+ B: o" L% f" w5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
  A/ L# t5 @  c4 m) F4.3.3.4 Reproduce Equatizatioti Adjustment8 y% g/ Y! I( d4 ^6 N8 r& C0 f
equatizatioti 4.3.3.4再现调整
  \$ }4 [8 E, {/ g. SNOTE: This procedure adjusts the High Frequency Reproduce Equalization.: T! [) n0 y9 {% \) C3 T- ~
注意:本程序调整高频再现均衡。
& ^) ~6 L9 [5 [8 N, _The Low Frequency Reproduce Equalization is adjusted during the Record
, V/ W) ?6 P' y% M- h' w; K9 X' x  _低频再现均衡是在记录调整
) A" U# B/ O% w4 ~# A# \2 {Alignments. Due to the fringing effect which occurs at low frequencies,( f3 N' D1 g; g6 C
对齐。由于边缘效应在低的频率发生,
8 V3 y$ \. b" e  ^  J- i- ]3 j! Wadjusting the Low Frequency Reproduce Equalization using the Reproduce
/ A( h9 O% y' T. T% d5 ?: |调整低频再现均衡使用复制+ W2 A7 Z5 a; _7 p
Alignment Tape does not produce accurate results.
5 G% d/ E' Z+ [- A2 ^7 _0 v调整带不产生精确的结果。5 O& u% j8 L, F6 Z3 W' T7 }+ C2 D# M
1. Thread the machine with the 15 ips Reproducer Calibration tape.
" J' s( V& g1 N5 |, P! X1。螺纹15 IPS设备校准磁带机。
( `- F' H6 J$ T; z/ q2. Set the SPEED LO/HI switch to the Hi position.3 r) |/ a$ T1 a
2。设置速度的高低切换到高的位置。* u8 w2 @) P, l$ b  R0 U
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).
! c1 E% Z$ i" `/ x; ~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)。
+ D7 W1 J8 ^: L) f& {) K4. 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.
" X, z# ~& Z3 g- |( B3 G4。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。! g6 l+ L0 h# k6 p9 r0 ^/ v
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
) M" o- h- a# z) y2 c7 G( u6 I5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。* H4 w8 ~) @/ q' }5 ~8 Q
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.7 J1 C; E, Y* E$ k* Z- a
6。螺纹7.5 IPS设备校准磁带机。
2 Q4 ]' ~( U* @$ b" s! v% Z% F7. Set the SPEED LO/HI switch to the Lo position.5 K4 g9 v  t# _* H0 K* M3 T
7。设置速度的高低位置切换到LO。0 W7 x( E6 g+ p; E& ]3 m
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.) t4 n% C+ R( R% l' j4 W
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。6 Y( ~7 q% V" y. Z$ R, q
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below, w# a6 G  c: z- H; R7 \: N- H
注:7.5 IPS校准带均衡音在10分贝以下记录
. ?" w. W( E! Q: S/ ireference level.
9 }( r' S6 ^, Q  d  W+ H参考水平。
1 L: u/ n, i* Q! d* ?% Q3 h5 h9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.& F, [9 A' \+ ]! v% Z* {( v
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
7 v* d; c; ~" {1 l1 F1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
# x- M; }3 [2 ^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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