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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) Z/ p3 w5 C4 j
是不是换了磁头?这金黄色磁头是不是国产的啊,

5 ~' {. B7 G) S" C3 |" |1 T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( j' {0 r+ V- h- G( l* q& Y
原文出处:

: T1 ]! N$ L4 Q+ i" M- T0 Y1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
* `% H: w& L* R- i, ]1。连接交流电压表CH 1输出连接器。
7 C( c5 s% f& i9 ^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.
" r3 _/ J2 |8 v: K& E0 o6 K1 z/ l3 C2。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。8 D& E& G+ {* Y- V; r) R
3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.. E+ Y; _8 L, o) ?' Y9 \2 Y
3。在磁带放音机校准参考水平的部分发挥1千赫。" I& l- `" N; @4 ]# O  L: O' {4 C0 p
4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.: F9 Z3 z2 D" G$ T3 X
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。
! q5 O, h" a4 B8 t! \4 @5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).5 C8 d' F# Y. E% N
5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。3 R" Z/ s/ `+ x4 P+ ]
4.3.3.4 Reproduce Equatizatioti Adjustment
; `5 W7 p' g9 L5 B$ |5 O8 q5 |equatizatioti 4.3.3.4再现调整3 f: v8 W! c1 X
NOTE: This procedure adjusts the High Frequency Reproduce Equalization.- d* _$ g5 ^8 [2 P+ K
注意:本程序调整高频再现均衡。9 C: Y; _# |; D! Q
The Low Frequency Reproduce Equalization is adjusted during the Record) z1 ?6 L2 b7 e
低频再现均衡是在记录调整0 f' ^. O0 k) |# _. M5 d
Alignments. Due to the fringing effect which occurs at low frequencies,
; }3 ]. k% k# c+ m$ l  h" H! b  b对齐。由于边缘效应在低的频率发生,
0 D; m) k5 o0 y: s; {adjusting the Low Frequency Reproduce Equalization using the Reproduce
5 }- n$ }" [5 @$ ?- r调整低频再现均衡使用复制( X7 E7 K0 s2 {( g/ F
Alignment Tape does not produce accurate results.' [" }3 r7 l0 M9 x" |( H! T
调整带不产生精确的结果。; r  H& |( k8 @8 `& K
1. Thread the machine with the 15 ips Reproducer Calibration tape.
  |) T) b/ B' V+ l( Z0 t0 _1。螺纹15 IPS设备校准磁带机。: A  |! G% Q! y3 j
2. Set the SPEED LO/HI switch to the Hi position.2 `$ p8 x. G2 ^( J
2。设置速度的高低切换到高的位置。, k, Y3 Q' v. X- ^1 K8 E
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).
. b+ ^9 W- W, M* `; z' X9 U4 e/ V$ e3。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)。8 b/ P' q9 p) @+ m# {# D/ x6 h
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.
9 [0 k% n3 O# m1 x' n4。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。
) J  [# }- X7 _$ @6 u5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
# q7 Y, n9 j% \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。% U% v$ a& u3 F  n! R5 t
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.. W  u' w9 [  m, |% Q5 B4 |3 d
6。螺纹7.5 IPS设备校准磁带机。1 t: O) T! A1 @3 N2 K' o& V
7. Set the SPEED LO/HI switch to the Lo position.
# b/ f  j) c1 M5 L2 {7。设置速度的高低位置切换到LO。( M. |" E3 j: ]$ {, c
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.
+ S4 }# E! ~: m8 t: V8。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。
; v! h2 x6 H& aNOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
7 \1 K* h: p2 H$ Z0 S注:7.5 IPS校准带均衡音在10分贝以下记录7 K6 R. Y) U* h5 Y% j* w
reference level.
, m4 ?. D7 p9 b- ~' K* C参考水平。
0 C2 O9 k4 P5 i- L  G; b) T* O9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.# S$ E& @& g( R1 [" C" _
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。: D/ u5 d5 D+ t  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
3 z# P" [  r3 \1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
& S8 p" M! I1 p1。连接交流电压表CH 1输出连接器。
6 Y: J$ n# Z" @3 v$ z2. T ...

# s3 T' j' S1 N- U  J( t! E1 \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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