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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- L  X( ~; a" L' K, Q2 Q
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
. E6 \) o+ @9 D& r% ?0 n  j& y原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.2 D# b$ O) Z) Y2 h
1。连接交流电压表CH 1输出连接器。4 J% [& g6 H- w0 `( k3 V" E' s( ]% D
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.7 d& G: I0 W! v0 G+ P4 ~% k7 \
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。
" U; E, N2 M/ J# }+ P( ~6 p1 X: {+ E3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
: X1 f) D8 v, c8 V- _0 r0 b5 g3。在磁带放音机校准参考水平的部分发挥1千赫。$ y  u; q: I- ]5 X9 D( K
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.( t5 Q$ @4 M% K& o
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。; ]$ m% v1 \* }  ^# Z# [
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
* s( z7 {/ ?0 A. n4 ]* f3 ?5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。; l5 m, x0 M/ f& q+ T- r6 w9 q# D3 B
4.3.3.4 Reproduce Equatizatioti Adjustment
/ `8 D4 b. G) l) \+ N& zequatizatioti 4.3.3.4再现调整3 ]$ }  L/ t) a: v3 Y6 e. [
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.
! j$ E8 ?( }  H; i* m5 I注意:本程序调整高频再现均衡。
3 W7 {& i+ \* R* B8 K9 b$ KThe Low Frequency Reproduce Equalization is adjusted during the Record) Q1 F/ B' L; V- K7 E. M! C2 T
低频再现均衡是在记录调整
+ V; ?' }" Q' FAlignments. Due to the fringing effect which occurs at low frequencies,: s7 C! Y* z0 E6 ?0 C1 m* N
对齐。由于边缘效应在低的频率发生,
. c: N" S3 B$ @* {adjusting the Low Frequency Reproduce Equalization using the Reproduce
. l3 l+ D: O7 J8 i调整低频再现均衡使用复制
$ d: S/ k" V. b6 P8 f( gAlignment Tape does not produce accurate results.6 U0 Z+ F  v2 p/ l" O7 P6 l
调整带不产生精确的结果。
! N6 H9 J2 i) n3 d) ^1. Thread the machine with the 15 ips Reproducer Calibration tape.
+ p9 m) Z. \  p1。螺纹15 IPS设备校准磁带机。9 L" x* w  Q+ t5 S
2. Set the SPEED LO/HI switch to the Hi position.' P/ r# b# R2 B7 J
2。设置速度的高低切换到高的位置。: u. u$ u- V7 m
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).
: E8 y9 @* X6 e3 @" _/ Y3。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)。
1 n- y% f$ \4 h8 A' Q4. 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.9 ]5 a  U" R, n* w
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。
/ Y! @+ B2 |& ^' K2 R5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
/ G6 Z; Z; O+ {/ f6 }) k/ h; d: c% d1 S5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。. t1 L7 B7 Z" [5 B5 R5 a8 o, u
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.
; Y# X9 y: d6 k  W% Z$ ?+ |& }5 F6。螺纹7.5 IPS设备校准磁带机。  H6 o$ L& \0 U0 k
7. Set the SPEED LO/HI switch to the Lo position.$ K  V' P6 D) F# }7 X% \+ X
7。设置速度的高低位置切换到LO。0 }* @4 V3 y# y
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.
6 y% q5 T4 v- a8。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。
$ h+ l% D+ }2 ]! BNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below) W! }  V# g9 S- w; ?& S2 o1 X, U
注:7.5 IPS校准带均衡音在10分贝以下记录  F5 S- W6 U0 p: {+ K+ y' j
reference level.. i: L* E) l6 I
参考水平。
7 U4 C  s1 p3 Q: D$ j9 }9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.
# R/ f# }8 S6 |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。2 b5 F- J& k2 Y! @. o# {# r
发表于 2016-7-30 23:50:59 | 显示全部楼层
emgc 发表于 2015-2-3 11:15
8 z! F, @, {) |8 W& r7 J1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
8 i. t7 ]% ]0 F1 E) a# L! E% _1。连接交流电压表CH 1输出连接器。/ ?& x. B) a+ P  b
2. T ...
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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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