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mains hum

  1. 7Hz Research

    Akai 4000DS II Mains Hum

    Hi everyone, I'm getting mains hum from the line out on my Akai 4000DS II when it's not even powered on. I run it through a Behringer PX2000 patch bay, and the hum goes away if I break the normalised connection by plugging something else through those sockets. The hum gets louder when I turn the...
    • 7Hz Research
    • Thread
    • akai akai 4000ds ground hum mains mains hum tape
    • Replies: 2
    • Forum: Tape
  2. NicholasD

    What could be causing a Mains (50Hz) Hum in Right Channel only of my AKAI AM-35 Amplifier?

    Strong 50Hz (mains) Hum with Harmonics coming from Right Channel Only by NicholasD posted Jul 20, 2018 at 12:53 PM So I have this old(ish) AKAI AM-35 AMP that I am quite fond of & there is a solid 50Hz HUM coming from the Right Channel of it. This occurs with no inputs connected. So...
    • NicholasD
    • Thread
    • akai am-35 amplifer capacitor hum in right channel mains hum noise trouble right channel solder
    • Replies: 20
    • Forum: Solid State
  3. QSilver

    Pioneer A-8 hot transformer and humming.

    I got one of these a few months ago but only just got into using it this week but I've noticed that the transformer does hum noticeably and gets quite hot. Even when idling. Is this anything to worry about? The hum is from the transformer itself rather than the amp.
    • QSilver
    • Thread
    • 50hz a-8 a-9 ac hum hot hum humming mains hum pioneer transformer
    • Replies: 93
    • Forum: Solid State
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