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  1. #1

    Member Since
    Jul 22, 2008
    Mac Pro 8-core 2.8
    Question Mac Pro (8core) 3.5mm audio output level ?
    Greetings everyone.
    I've searched and read the manual, but still am unsure of the output level of the harpertown Mac Pro's. I know the manual lists the Max. output voltage as 1.6 Vrms, or +6.3dBu. But my question relates to which standard the "Line level" is...

    "Line Level" generally has 2 standards:

    Consumer applications like CD players tend to be -10dBV.
    Professional keyboards and sound modules tend to be +4dBu

    Does anyone know which standard the Mac Pro outputs?

  2. #2

    Member Since
    Dec 05, 2008
    If I'm allowed to guess I would say -10 because it is a unbalanced line.

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