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  1. Deanxxx

    Help with fusion amps

    Hi all, I just bought 2 Fusion FA123 amps but I'm having trouble with a couple of things. 1. When I attach each unit to my laptop via USB, one of the units is correctly recognised as productcode: FA123, firmware is 1.51 and DSP filename is New Project. But the other unit reads, productcode...
  2. Deanxxx

    What does John Heisz get wrong in his latest video about speaker measurements?

    Hi all. Interesting video by audio enthusiasts John Heisz regarding speaker measurements. The title of the video is a little click baiting but the content seems to suggest objectivists are overkill. Your learned thoughts.
  3. Deanxxx

    GR Research (incomplete) speaker measurement methodology.

    In answer to the following question: "It would be great if [GR Research] could include directivity index, estimated in-room response, distortion, and polar plots [in measurements]" Danny replied, "Directivity can be seen in the off axis responses. What the response might look like in a room can...
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