Recent content by michielper

  1. michielper

    Monitor mixer for musicians with more-me function

    I am creating a monitor system for musicians where each musician hears the main mix and can enhance the volume of his own instrument without disturbing the main mix. There is a central hub that connects to the main mixer/recorder (Zoom R16 in my case) and to the five separate monitor mixers. The...
  2. michielper

    Swissonic quadphone - headphone amplifier - schematic

    Yes, indeed, that was my reaction too. I suspect that they switched the power supply at some point from 15 to 12 V without an update of the circuit. But it does work, no doubt largely due to the 1000 uF elco which is quite an effective stabilizer....
  3. michielper

    Swissonic quadphone - headphone amplifier - schematic

    I have been busy creating a personal monitor with more-me function. Fo inspiration, I reverse engineered my Swissonic headphone amplifier. The result of this investigation I post here for others to learn from. Some highlights: It uses the NE5532 dual opamp, one for each (stereo) output. For...
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