Recommended 7.2.4 speaker setup

Hello, I was hoping to get recommendations on the lower level speakers in an atmos setup. My living room is 20ft. long x 16ft. wide. My oled LG will be centered on the 16ft. wall. I have just recently purchased the lsim 706 center and two lsim 705 towers. I plan on having a couch centered in the room, about 7 feet off the rear wall. I think I can put the two side speakers just in front of the main listening position. And the two rear surrounds anywhere needed on the rear wall. We probably watch 75 percent movies and 25 percent music. My question is, should I use 4 lsim 702fx's, or go with 2 703's and 2 702's? And if I use 2 703's should they be sides or rears? Thanks for suggestions.

Answers

  • EmlynEmlyn Posts: 2,528
    The .4 refers to the height effect speakers or modules which Polk does not offer in any speaker line except the new Legend line (apart from in-ceiling speakers). You should Google “Atmos speaker configurations” if you are going to go that route as those configurations are different than the old 7.2 system configurations. Personally, I would go with direct radiating speakers for the surrounds which means the 703s for all surrounds. If it’s not going to be an Atmos system, then a pair of each would work with 703s in back.

    Sounds like you have a good space to fill. Good luck!
    1. Polk LSiM707, 704C, 703; Dual SVS SB2000 subwoofers; Marantz SR7011 receiver; Parasound A23 amp; Oppo 205; Sony 65" 4K TV; FIOS; PS Audio Power Plant Premier; MIT S2 cables
    2. JM Labs Electra 920.1; Sonic Frontiers Line 3 Preamp; Classe Model 25 amp; Sony HAP-Z1ES; Oppo 105D; Music Hall MMF7 and Acoustech phono pre; PS Audio Power Director; MIT S1 Cables
    3. Polk LSiM703; Parasound JC2BP and A21; Sony 48" 4K TV; Wyred4Sound DAC 2; Oppo 203; Squeezebox Touch; MIT S3 cables
  • Thanks, So something maybe like svs prime elevation for on ceiling atmos, and four 703's for surrounds on the bottom layer? The only reservations I have on the 703's is they will take up more space out from the wall than the 702's. But I do like that cherry finish. Just wondering if anyone had either of these for surrounds, and was there any improvement of sound in the 703's over the 702's?
  • WLDockWLDock Posts: 2,671
    The output will be about the same. So go with the 702's for wall mounting or the 703's for stand mounting.

    The 702's look great on the wall. Here's a picture from member DarqueKnight: http://i148.photobucket.com/albums/s23/darqueknight88/HT-Downsize/003 702FinInstall-s_zpsw7hoayct.jpg
    FAMILY ROOM
    HDTV - Sharp AQUOS LC-70LE600U 70" | AVR/Streamer - Onkyo TX-NR3008 | Amp - Parasound HCA-1203A
    Blu-Ray/Media/Gaming - Sony PS3-320GB / Microsoft Xbox One | Broadcast - Xfinity X1 Platform
    Front Spkrs - Coming...DIY Statement II | Center Spkrs - Coming...DIY Statement II | Rear Spkrs - Artison Portrait LRS
    Sub - DIY Stereo Integrity HT 15 | Sub Amp - Dayton Audio SA1000
    Wire - Audioquest Type 4, BJC Belden 5000 | HDMI - BJC Belden | Power Cables - Pangea | Surge - Monster
  • Thanks, So the sound should be about equal from the 703 and 702? And I should go with the speakers that fit my room the best?
  • EmlynEmlyn Posts: 2,528
    The trick is with an Atmos configured system, the main and surround speakers are set at ear level. With a traditional surround system the surrounds are placed higher at well above seated ear level.

    You should always go with what fits your room best, but if you are looking to go Atmos you will need additional speakers between the 7 and subwoofer(s). Most likely in ceiling if sticking with Polk for the Atmos speakers. The output levels will be similar between the 703 and 702, but the placement may be different depending on what your final setup goal is. The 702s may look weird if they are wall mounted at ear level.
    1. Polk LSiM707, 704C, 703; Dual SVS SB2000 subwoofers; Marantz SR7011 receiver; Parasound A23 amp; Oppo 205; Sony 65" 4K TV; FIOS; PS Audio Power Plant Premier; MIT S2 cables
    2. JM Labs Electra 920.1; Sonic Frontiers Line 3 Preamp; Classe Model 25 amp; Sony HAP-Z1ES; Oppo 105D; Music Hall MMF7 and Acoustech phono pre; PS Audio Power Director; MIT S1 Cables
    3. Polk LSiM703; Parasound JC2BP and A21; Sony 48" 4K TV; Wyred4Sound DAC 2; Oppo 203; Squeezebox Touch; MIT S3 cables
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