Alan, thanks for the reply. I understood from your comments in the Owners Club Newsletter that the key blind test had been with the horizontal VP180 compared with flanking vertical M80s, but I was wondering if the excellence of its performance had led to further tests in different orientations. For example, I recall your testing of vertical VP150s as possible candidates to be used as mains, and thought that a similar investigation might be appropriate for the VP180. A prospective purchaser might wonder, since the price will be the same and size is essentially the same, whether it would be to his advantage to buy two VP180s for use as vertical mains as compared to two M80s.

One possible advantage is suggested by Paul Barton's comments relating to a greater vertical spread between woofers leading to a spreading of the floor bounce effects, with less of a notch in the upper bass response.

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Enjoy the music, not the equipment.