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  1. #1

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    Default Upgrade to 7.1 System??

    First thing is there is another thread similar to this one, but I did not want to hijack his.

    I currently have a 5.1 system and now have a Panny Blu-ray that does 7.1 analogs (which my Onkyo 703 has), so now I want to expand my system to handle the 7.1 audio. My room is roughly 17' wide by 22' deep.

    Here is my system now:

    Polk RTi8's - Fronts
    Polk FXi3's - Surrounds
    Polk CSi5 - Center
    SVS 20-39PCI - Subwoofer

    So what would I need to match my current setup?


    Onkyo 703 Receiver
    Polk RTi8's Front
    Polk FXi3's Side Surround
    Polk FXiA4's Rear Surround
    CSi5 Center
    SVS 20-39PCI Subwoofer


  2. #2

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    How about another set of FXi3's?
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)

  3. #3

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    Default

    Agreed with McLoki. :)

  4. #4

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    Default

    That sounds simple enough to me.


    Onkyo 703 Receiver
    Polk RTi8's Front
    Polk FXi3's Side Surround
    Polk FXiA4's Rear Surround
    CSi5 Center
    SVS 20-39PCI Subwoofer


  5. #5

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    Lightbulb

    Quote Originally Posted by reubenray
    I want to expand my system to handle the 7.1 audio. My room is roughly 17' wide by 22' deep.

    Here is my system now:

    Polk RTi8's - Fronts
    Polk FXi3's - Surrounds
    Polk CSi5 - Center
    SVS 20-39PCI - Subwoofer

    So what would I need to match my current setup?
    A pair of RTi4 will work nicely.

  6. #6

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    Post

    Quote Originally Posted by VSchneider
    A pair of RTi4 will work nicely.
    I am saying this because I have read in a number of places that most people prefer direct radiating back surrounds. Maybe it's a perception effect - "I want my back channel sound to come straight back".

  7. #7

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    Default

    This info may help some. My back surrounds will be mounted at ceiling height (10') on a wall.


    Onkyo 703 Receiver
    Polk RTi8's Front
    Polk FXi3's Side Surround
    Polk FXiA4's Rear Surround
    CSi5 Center
    SVS 20-39PCI Subwoofer


  8. #8

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    i 2nd the pair of rti4s
    Last edited by Sherardp; 02-01-2007 at 12:49 PM.
    Shoot the jumper.....................BALLIN.............!!!! !

    Home Theater Pics in the Showcase

    http://www.polkaudio.com/forums/show...p?userid=73580

  9. #9

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    Default

    My setup is as follows:
    RTi70 mains (like RTi8's)
    CSi40 center (like CSi5)
    FXi30 sides (like FXi3)
    RTi28 rears (like RTi4)

    Sounds fantastic, looks great!

    I contemplated another set of FXi's, but the THX, DD, and DTS recomendations are all for a set of monopoles at the rear.

  10. #10

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    Found an interesting article on the type of speakers used as side and back surrounds.

    I would love someone running 7.1 (only running 5.1 here for now) to try the dipole on the back and direct radiating on the sides and let us know your impressions of both ways....

    Michael
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)

  11. #11

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    I red that story on back surrounds,I am doing what story says,fxi30 will be rears and rti4 will be sides,I will report after I set up.I am getting fx's soon and will report.
    PIONEER ELITE 74TXVI-AVR,PARASOUND HCA 1000A-AMP.,JVC SR TS1U S-VIDEO VCR,DENON DCM 460 5DISC CD PLAYER,LUXMAN PD270 DIRECT DRIVE TURNTABLE W/ADC ARM,PA-CS400I CENTER,PA-FXI30 SIDE SURROUNDS,PA-RTI4 REAR SURROUNDS,CERWIN VEGA-211R MAINS,PA-PSW12 SUBWOOFER,BELLO-5TIER RACK,MONSTER WIRING,DIRECT TV HR21-700 HD-DVR,SONY-KP51WS510 51"HDTV,TOSHIBA-A20 HD-DVD PLAYER,ROTEL RB-971 2 CHANNEL AMP,LOGITECH-HARMONY 676 UNIVERSAL REMOTE,MONSTER-2600MKII POWER CONDITIONER

  12. #12

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    Welcome to Club Polk Michael.
    Sunfire TGP III PrePro, Sunfire Cinema Grand Signature 405wpc 5 ch. Amp, Rotel RCD-1072 CDP, Onkyo TA2600 Tape Deck, Pioneer Elite 47-A DVD, Sony 32" XBR TV, Polk RTA-8T Main Speakers, Boston VR-920 Center Channel, Boston PV-600 Subwoofer, Polk DSW 400 Subwoofer, Polk FXi-3 Surround Speakers

  13. #13

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    Default

    THX recommends dipoles on the side and monopole/direct on the rear in a 7.1 setup - at least when using THX Ultra2 processing.

    http://www.thx.com/home/setup/speakers/71.html
    Last edited by walk; 08-14-2007 at 05:48 PM.
    - Sony 50"A3000 SXRD; Onkyo TX-SR 805
    - Polk RTi150 mains; CSi30 center; FXi3 surrounds, R15 backs
    - Velodyne CHT-12 subwoofer

  14. #14

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    I am glad to say that putting FXI30 as side surround and RTI4 as rear sounds great,my room is small 16x16,I was worried that all this sound would be to much,but wow was I wrong.:D
    PIONEER ELITE 74TXVI-AVR,PARASOUND HCA 1000A-AMP.,JVC SR TS1U S-VIDEO VCR,DENON DCM 460 5DISC CD PLAYER,LUXMAN PD270 DIRECT DRIVE TURNTABLE W/ADC ARM,PA-CS400I CENTER,PA-FXI30 SIDE SURROUNDS,PA-RTI4 REAR SURROUNDS,CERWIN VEGA-211R MAINS,PA-PSW12 SUBWOOFER,BELLO-5TIER RACK,MONSTER WIRING,DIRECT TV HR21-700 HD-DVR,SONY-KP51WS510 51"HDTV,TOSHIBA-A20 HD-DVD PLAYER,ROTEL RB-971 2 CHANNEL AMP,LOGITECH-HARMONY 676 UNIVERSAL REMOTE,MONSTER-2600MKII POWER CONDITIONER

  15. #15

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    Default

    Did you try the RTi4's on the side and FXi30 in the back? Just wondering if you tried it and preferred the setup you have now?

    (I have not tried either so have no opinion one way or the other.)

    Michael
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)

  16. #16

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    I did have RTI4 as side and FX30 in rear,sounds much better with RT in rear.
    PIONEER ELITE 74TXVI-AVR,PARASOUND HCA 1000A-AMP.,JVC SR TS1U S-VIDEO VCR,DENON DCM 460 5DISC CD PLAYER,LUXMAN PD270 DIRECT DRIVE TURNTABLE W/ADC ARM,PA-CS400I CENTER,PA-FXI30 SIDE SURROUNDS,PA-RTI4 REAR SURROUNDS,CERWIN VEGA-211R MAINS,PA-PSW12 SUBWOOFER,BELLO-5TIER RACK,MONSTER WIRING,DIRECT TV HR21-700 HD-DVR,SONY-KP51WS510 51"HDTV,TOSHIBA-A20 HD-DVD PLAYER,ROTEL RB-971 2 CHANNEL AMP,LOGITECH-HARMONY 676 UNIVERSAL REMOTE,MONSTER-2600MKII POWER CONDITIONER

  17. #17

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    Knowing what you do now, would you recommend to people new to 7.1 to go fx series on the side and bookshelves on the rear or do you think fx series for the side AND back would sound best?

    Michael
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)

  18. #18

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    Ideally? FX on side and bookshelf in rear.

    Not everyone has an ideal setup though.

    For example if your seating is very close (or ON) the back wall, might be better off with bi/dipoles at the rear.

    My seating is actually closer to the front wall than the rear, with a 6-ft window smack in the middle of the back wall, so the rear (SB) speakers will be 7-8 feet apart and 13-14 feet behind. Then the side surrounds are very close, the left one is almost on top of the couch, so I went with dipoles for the side.

    I also have a THX Ultra2 receiver, and they recommend that setup.
    - Sony 50"A3000 SXRD; Onkyo TX-SR 805
    - Polk RTi150 mains; CSi30 center; FXi3 surrounds, R15 backs
    - Velodyne CHT-12 subwoofer

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