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transformer hum

  1. D

    Musical Fidelity A3.2 Toroid Transformer Hum... or is it a Buzz. Normal?

    Hi, First, I want to apologize for any redundancy, as this is my first post on this platform. I have not found much beyond 1 or 2 threads on this matter pertaining to this specific amplifier, none of which I saw on this site. I will describe my "issue" below. In reality, this is likely not even...
  2. S

    AN-10440 Quality ?

    Hi guys, Im planning to buy the AN-10440 transformer to build my amp. Any opinion regarding this transformer?
  3. M

    Sporadic transformer vibration issues- Hitachi DA 1000R

    Hi, I have a second gen Hitachi DA 1000R (the one with the silver power button). I love its 80s styling and cheery if slow opening and closing mechanism. It however has a vibrating transformer which causes the CD to not play while it vibrates. I can imagine the oscillations making it very...
  4. 0kazaki101

    Audio Hum out of only Right Channel of System

    I recently got a hold of a cheap beFree Sound BFS-440 5.1 Channel Surround Bluetooth Speaker System. After a few weeks of the unit working completely fine, there came a day where an audible 60hz hum started coming out of both right speakers (front and back). The first day it started, it wasn't...
  5. ScooterMcTav

    Transformer Hum - Musical Fidelity 3.2

    Hello all, New and unexciting development this evening. When turning on my Musical Fidelity a3.2 this evening, I noticed an audible hum from the transformer. In the past, this unit has had no audible hum. So, unplug inputs one by one, still hum. Remove speakers, still hum. Plug into single...
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