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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
) U1 Y3 f% {1 x" y; X" M是不是换了磁头?这金黄色磁头是不是国产的啊,
1 i/ C6 w0 D+ d% t4 u
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
; Z$ G. `6 Y- y/ P! Q8 z$ U: b# t0 _$ O原文出处:

8 p2 `' _! b) s$ z+ T  i/ ?, i1. Connect the AC Voltmeter to the CH 1 OUTPUT connector." C1 L0 r1 j: \( l  O8 g
1。连接交流电压表CH 1输出连接器。
* G# U/ m  c, g  u8 z1 V: m2. 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.
; w; K9 m3 _) c$ s6 Y9 r7 m2。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。
1 U6 P3 h& E) a6 O- v  M7 q3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.( @+ U3 z: i+ s$ e# r
3。在磁带放音机校准参考水平的部分发挥1千赫。
. X/ c# I0 A2 u9 X2 i9 L4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
( \3 ~7 `7 [6 K: v1 T% V4。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。, I7 z1 ^7 e# @' f6 u
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).2 {; Z0 {" H# K& m, H" X$ i9 f
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
/ _: ~* m5 B" F4 P5 k( X3 [4.3.3.4 Reproduce Equatizatioti Adjustment$ i  R5 D1 }" _5 D0 g- S, ^3 A
equatizatioti 4.3.3.4再现调整" U0 n7 ^9 B2 D1 r7 z$ C" n  x
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
; P& i' Q+ y9 @$ p注意:本程序调整高频再现均衡。6 V+ V( n/ |# i$ g
The Low Frequency Reproduce Equalization is adjusted during the Record
4 ?, n, A$ h% g& C; j4 q低频再现均衡是在记录调整" g; S3 ]% m: v
Alignments. Due to the fringing effect which occurs at low frequencies,
, \! ?, y5 j' B3 R% G3 n% G对齐。由于边缘效应在低的频率发生,
- q7 g7 y% a8 P/ aadjusting the Low Frequency Reproduce Equalization using the Reproduce. Q) U4 F2 ~7 B5 S+ Q+ w
调整低频再现均衡使用复制; B: X+ y* ?! j
Alignment Tape does not produce accurate results." [* r( E$ ]3 i0 ?; Z
调整带不产生精确的结果。
! p# O6 `: `4 h$ s' ]; P8 D1. Thread the machine with the 15 ips Reproducer Calibration tape.
4 u% P" g! D2 Q  r. H) @1 q1。螺纹15 IPS设备校准磁带机。
- ~7 X" ]; v- C" {; |. T, @. u% |2. Set the SPEED LO/HI switch to the Hi position.
. j) N2 q$ ~2 s: @2。设置速度的高低切换到高的位置。
) v! _+ Q% [3 c& D) |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).
2 y4 N. f' @5 i- T# z4 Z( 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)。
+ I! s, C+ L8 J7 W4. 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.4 g5 m$ a* M2 {& q: {4 a" \
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。
! ]8 M, H, q# T" e5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
: b9 ^8 x7 W2 U, L7 O3 Q5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。
# e6 z7 ]& y+ l6 n& i7 E6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
% o2 a" N7 j% q0 r. {6。螺纹7.5 IPS设备校准磁带机。' j* N+ o4 g! ?) R4 p$ @$ I' F& m
7. Set the SPEED LO/HI switch to the Lo position.1 [( o3 j1 ~# ~6 i/ Z
7。设置速度的高低位置切换到LO。9 A& a2 f  S) q; j5 W. h% `6 L8 l
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$ f5 o0 K# D
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。7 E3 w9 M) i* E+ n
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below% y( i2 B; k' W! @
注:7.5 IPS校准带均衡音在10分贝以下记录
$ j% m$ l; m- K4 v+ \" |3 Zreference level.
7 }6 w$ \: [5 ?, h参考水平。2 f# a" C8 x  }' B: p8 H
9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu./ O! u+ W, Q/ Z6 h1 E9 Z+ O7 H
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 y" C. [% M% a" {3 f, B/ d# q5 b
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15) L( K7 D# |2 f' Q% x8 |
1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
$ V: W! G4 N5 s, Y+ p: G$ V; q  b1。连接交流电压表CH 1输出连接器。& C: [4 h/ E3 o, j7 w1 F' ^
2. T ...

: O2 ]% f2 b/ Z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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