點解部AMP會有嗚嗚聲....!??!?!

IntegraDC5 · 發表於 2018-3-13 13:24

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本帖最後由 IntegraDC5 於 2018-3-13 14:06 編輯

小弟剛入左部8000A, 駁左部DAC黎插電腦聽歌,
notebook出USB落DAC, 再RCA落部AMP, 再出喇叭, 開頭播歌無問題,
之後notebook駁番個MON, 唔知點解部AMP一開就會出嗚嗚聲!?!
拔走左個MON, 又冇嗚嗚聲喇喎....
有冇師兄知係咩事?!?!?!?!
**補充少少，d嗚嗚聲係由部8000a出黎，唔係喇叭

chrischan0630 · 發表於 2018-3-13 19:16

Is your notebook a Lenovo?

IntegraDC5 · 發表於 2018-3-13 19:29

本帖最後由 IntegraDC5 於 2018-3-13 19:34 編輯

chrischan0630 發表於 2018-3-13 19:16
Is your notebook a Lenovo?

Yes ar~~
難道Lenovo NB有特別?!

chrischan0630 · 發表於 2018-3-13 20:38

IntegraDC5 發表於 2018-3-13 19:29
Yes ar~~
難道Lenovo NB有特別?!

I have experienced that noise, too. It is a design fault, but I guess you may try USB noise filter, which is available by AudioQuest and many other manufacturers, if it is not keen to replace your notebook. In my opinion, USB port of PC usually contains higher level of noise than a MAC.

IntegraDC5 · 發表於 2018-3-13 20:56

本帖最後由 IntegraDC5 於 2018-3-13 20:58 編輯

chrischan0630 發表於 2018-3-13 20:38
I have experienced that noise, too. It is a design fault, but I guess you may try USB noise filter ...

是嗎? 但我唔插MON既時候, 部AMP係無聲架喎?
因為佢D聲以係機件出問題既聲, 唔似係喇叭出個D干擾聲...

chrischan0630 · 發表於 2018-3-13 21:09

IntegraDC5 發表於 2018-3-13 20:56
是嗎? 但我唔插MON既時候, 部AMP係無聲架喎?
因為佢D聲以係機件出問題既聲, 唔似係喇叭出個D干擾聲...{:6 ...

Noise from moving parts and high frequency signal feeds into the USB and transfers into your amp.

IntegraDC5 · 發表於 2018-3-13 21:38

本帖最後由 IntegraDC5 於 2018-3-14 00:20 編輯

chrischan0630 發表於 2018-3-13 21:09
Noise from moving parts and high frequency signal feeds into the USB and transfers into your amp.

咁其實D聲對部機有冇影響呢!?

IntegraDC5 · 發表於 2018-3-15 01:14

IntegraDC5 發表於 2018-3-13 20:56
是嗎? 但我唔插MON既時候, 部AMP係無聲架喎?
因為佢D聲以係機件出問題既聲, 唔似係喇叭出個D干擾聲...{:6 ...

哈哈...我承認我錯了.....
今日我再仔細行埋去聽, 原來D聲真係由喇叭出黎....

IntegraDC5 · 發表於 2018-3-15 02:08

chrischan0630 發表於 2018-3-13 20:38
I have experienced that noise, too. It is a design fault, but I guess you may try USB noise filter ...

咁師兄係用邊隻去解決呢個問題!?

chrischan0630 · 發表於 2018-3-15 19:17

IntegraDC5 發表於 2018-3-15 02:08
咁師兄係用邊隻去解決呢個問題!?

I did not attemp to fix it at all, but as suggested above, you may try USB noise filter.

[請教] 點解部AMP會有嗚嗚聲....!??!?!

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