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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 15:224 _" n" }' }; a; S' W
是不是换了磁头?这金黄色磁头是不是国产的啊,
! ^9 A1 |" ^# y  n6 v: }: R' 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
! v' H: U' |' b' t原文出处:
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1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.) g" `( p" u- f/ N2 F
1。连接交流电压表CH 1输出连接器。
  E: a9 u' X7 @, D+ b2. 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.
+ ^1 }" ]; o' M4 _7 B: ?; u2。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。
  p2 R1 N+ j) s5 F3. Play the 1 kHz at Reference Level portion of the Reproducer Calibration Tape.
6 x; z6 F6 @3 X$ F- B* `3。在磁带放音机校准参考水平的部分发挥1千赫。
! I) ^" h; I) L6 D. M8 i4. Adjust the CH1 REPRO LEVEL trimmer (VR15) on the AUDIO AMPLIFIER PCB assembly so that the AC voltmeter indicates +4 dBu.
; `6 w/ l1 `/ m( I5 G% h  f1 [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。  u6 T/ X# }, d3 z) w
5. Repeat Steps 3 and 4 for channel 2 using the CH 2 REPRO LEVEL trim¬mer (VR25).
/ \1 ^) t2 o+ X9 y5。重复步骤3和4通道2用CH 2摄制水平配平¬MER(vr25)。
1 E5 w; Q" R$ B' j! x4.3.3.4 Reproduce Equatizatioti Adjustment# K- {" y# l( e& u. \! `
equatizatioti 4.3.3.4再现调整
8 W0 D* i. V7 K& l" l. u, M" n+ RNOTE: This procedure adjusts the High Frequency Reproduce Equalization.
1 i7 V: d: b. D; U注意:本程序调整高频再现均衡。
% F  p9 d( Q3 l2 T0 qThe Low Frequency Reproduce Equalization is adjusted during the Record1 H' S1 c- Q  Y3 J: |- i
低频再现均衡是在记录调整
! i4 U) J6 U+ V6 k" }Alignments. Due to the fringing effect which occurs at low frequencies,6 M, }3 D, N8 d
对齐。由于边缘效应在低的频率发生,/ K4 w7 Q5 L5 Q5 ]8 j
adjusting the Low Frequency Reproduce Equalization using the Reproduce5 v; ]7 ?, [7 P" W2 ?( H7 K
调整低频再现均衡使用复制2 W- s9 I, Y# H7 v' ]+ _
Alignment Tape does not produce accurate results.
. E/ q* L& \8 R- d2 n6 Z/ I: z调整带不产生精确的结果。
+ @  t5 Y! |3 m& U. `8 @8 Y. d1. Thread the machine with the 15 ips Reproducer Calibration tape.
9 e4 |, U1 U  O$ c3 f- ~+ `1。螺纹15 IPS设备校准磁带机。, V4 y/ E# w$ ~+ X
2. Set the SPEED LO/HI switch to the Hi position.
, o1 w" m, s2 j- R2。设置速度的高低切换到高的位置。
  S- @& c1 s& }  X- P3. 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).$ A8 {) J2 ]+ y2 S
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)。
/ e/ b0 }# G2 F: [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.7 ^7 |4 t: T. q6 l3 }+ a& S
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。3 E; y8 p4 v1 }0 L1 |1 W1 @# E
5. Adjust the CH 2 REP EQ HF H trimmer (VR27) until the AC Voltmeter indicates +4 dBu.
; N1 u7 P5 g. l# E+ ~/ K" j5。调整CH 2代表情商HF H微调(vr27)直到交流电压表指示+ 4 dBu。% t- [& h" ~" z) e4 G1 ^% Y' l$ J; r& _
6. Thread the machine with the 7.5 ips Reproducer Calibration tape.! C9 C5 m) s9 X0 K' u
6。螺纹7.5 IPS设备校准磁带机。0 r/ {7 Z# F7 P( w  n
7. Set the SPEED LO/HI switch to the Lo position.! q, t2 N' l( e
7。设置速度的高低位置切换到LO。, K: H3 K, H! g$ 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.
1 @8 m  t. ]1 F1 q3 l$ I1 d8。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。* F. h+ Z4 A7 y8 ]" s! n
NOTE: 7.5 ips calibration tape equalization tones are recorded at 10 dB below
- ]- `1 M6 k3 v$ d2 w- E注:7.5 IPS校准带均衡音在10分贝以下记录1 L, l6 B8 u6 v/ U2 y/ H  }) z" Q
reference level.8 s6 N! a1 M& A: X7 q7 S6 ]
参考水平。
: A! S9 t. Z9 w1 [- h( s  G9. Adjust the CH 2 REP EQ HF L trimmer (VR29) until the AC voltmeter indicates -6 dBu.2 v- V3 y) Y3 Q# {* E- o
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
5 u( z8 Q# w: t" T' \8 ~1. Connect the AC Voltmeter to the CH 1 OUTPUT connector.
  e+ j+ x) [; b1。连接交流电压表CH 1输出连接器。5 W0 k- M3 Z% H+ v' C. S
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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