Sound surround speaker advice!

Looking to Upgrade your 5.1 Theater to a 7.1 and not sure what surround speaker type to go for?                                                                                 A surround sound speaker system means five, six or seven speakers plus a subwoofer . In addition to selecting the number of speakers (or channels) you want for a surround sound system, you need to select the type of surround sound speakers you want. There are three types to choose from, direct radiating speakers, bipole and dipole and each type produces different surround sound effects. Your decision should be based on your room and your listening preferences.

Direct Radiating Speakers
A direct radiating speaker outputs sound directly into the room towards the listeners. Surround sound effects in movies, music and games are most noticeable with direct speakers. In general, most people prefer direct speakers if they listen mostly to multichannel music. Direct speakers are placed at the sides or rear of the listening room behind the listeners.

Bipole Speakers
Bipole surround speakers have two or more speakers that output sound from both sides of the cabinet. If used as side surround speakers, the sound is output both towards the front and rear of the room. If used as rear surround speakers, they output sound in both directions along the rear wall. The dual speakers used in a bipole speaker are ‘in phase’, meaning that both speakers output sound simultaneously. Bipole speakers create a diffuse surround effect so the location of the speaker cannot be pinpointed. In general, bipole speakers are a good choice for movies and music and are usually placed on the side walls.

Dipole Speakers
Like a bipole speaker, a dipole speaker outputs sound from both sides of the cabinet. The difference is dipole speakers are ‘out of phase’, which means that one speaker is outputting sound while the other is not, and vice-versa. The purpose is to create a very diffuse and enveloping surround sound effect. Dipole surround speakers are usually preferred by movie enthusiasts and are also placed on the side walls.


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