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Back in March, I asked what is your main speaker configuration, and 52 percent of respondents picked 5.1, with another 28 percent saying 7.1. So now I wonder what type of surround speakers you use—bipole, dipole, and/or monopole.

What's the difference? Bipole and dipole surround speakers include two sets of drivers that fire more or less in opposite directions—with bipoles, the drivers are in phase, while a dipole's drivers are out of phase, creating a null region along the central axis between the drivers. Monopoles are simply conventional direct-radiating speakers with a single set of drivers that many prefer for multichannel music, but they don't create a diffuse surround soundfield that benefits most movie soundtracks.

Vote to see the results and leave a comment about your choice, especially if you use a combination in a 7.1 system. What combo do you use, and why?