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  1. bjmsam

    amplifier specifications and speaker balance

    In my home theater, the L+R speakers are Acoustic Research (Teledyne) AR9 driven by an Adcom GFA-585 amplifier while the C speaker effectively is the top section of an AR9 driven by the bridged channel of an Adcom GFA-2535 crossed over at 200Hz. Audyssey XT32 on my Denon AVR-X4000 balances...
  2. bjmsam

    Frequency, Amplitude, Distance

    Moderator: Please move this thread to the Room Acoustics and General Speaker Discussions section if that is more appropriate. The traces below represent measurements taken with a calibrated UMIK-1 mic positioned on-axis at distances of 0.5m, 1.0m, 1.5m, 2.0m, and 4.25m from a speaker against...
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