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In the Forum: Playback Listening
In the Thread: Dpols?
Post Subject: Robbins's method and DPOLSPosted by JJ Triode on: 7/18/2020
I listened to this talk up to the beginning of the question-and-answer session. I am surprised that this method would really capture the essence of Romy's almighty DPOLS condition. It seems to me that Robbins is very much centered on imaging alone, apart from the initial bass optimization (with just one speaker) and it concerns me that he is committed to one specific, girl-and-string-bass recording. I can imagine a system having OK bass and a good center image and still sounding terrible in many other ways (frequency balance, tonal texture, coherence of large orchestral or choral works, you name it.) Robbins seems to claim that everything else is sorted out automatically once bass and imaging are "locked in" his way.

Well, maybe they are, and I can certainly believe that the Robbins approach would achieve a big improvement over the random or wrongheaded setups widely found in both homes and audio showrooms. But Romy described DPOLS as a unique pair of points that bring a sudden, vast improvement in sound, an improvement that is lost if either speaker moves even a centimeter from its dead point.  Robbins seems to describe a more forgiving algorithm, though again, the realities of DPOLS and the Robbins setup may be more similar than the descriptions.

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