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  1. #1

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    Default sda-srs or rtiA9 for home theater

    just finishing home theater 35x22.looking to upgrade speakersMain.running pioneer elite sc09tx.looking at sdASRS AND RTIA9.ANY FEEDBACK WOULD BE APPRECIATED.RUNNING 9.2 SETUP with 2 pair ls f/x for side surrounds,cs350 center channel, and pair of m3 for rear surrounds.subwwoofers are 2 psw1000s.willing to upgrade others speakers also to get ultimate 9.s system.THANKS FOR ANY SUGGESTIONS.JEFF.

  2. #2

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    IMO, SRS's are best left to 2 channel. The principle behind the SDA doesn't go great with surround.

    I would go with the RTI's or LSI's if you have the budget.

    Just wondering. How big is this room that allows you to have a 9.2 setup ???

    Sometimes a well placed 5.1 or 7.1 will do wonders for ya.

    And with two PS1000's I can't image in the bass they put out.

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    room is 35 feet x 22feet.

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    some will say you can get away with it, but i wouldn't suggest using sda-srs for mains ALONG WITH a 5.1, 5.2, 7.1, 7.2 or any surround setup with the exception of perhaps a full sda surround setup. either way, the sda sound will not be accurate in reproducing the director's audible intentions.

    save the srs for another setup in another room. get the rtiA9's.

    POLK SDA-SRS 1.2TL -- ADCOM GFA-5802
    PANASONIC PT-AE4000U -- DIY WILSONART DW 135" 2.35:1 SCREEN
    ONKYO TX-SR805
    CENTER: CSI5
    MAINS: RTI8'S
    SURROUNDS: RTI8'S
    7.1 SURROUNDS: RTI6'S
    SUB: SVS PB12-PLUS/2 (12.3 series)

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    http://polkarmy.com/forums/index.php

    Quote Originally Posted by bobman1235
    I have no facts to back that up, but I never let facts get in the way of my arguments.

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    9's for HT !!! SDA's for 2 channel !!!
    No Way But The Hard Way, So Get Used To It!!!

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    I have to agree with Larry on this one, although I only run M-70s in the HT. I would upgrade to Rti-A9s if I had the cash. I use SDAs in the 'primary' 2 channel. Monitor 5s and LSI-7s in the office rig.

    For your room...what you really need is Rti-A9s, CSI-A6 and the supporting cast for surrounds....maybe some Rti-A5 towers (because of the room size?--heck...maybe even Rti-A9s as surrounds and Rti-A3 or A5s as back surrounds) and a truckload of AMPLIFICATION. Maybe even 7 mono-blocks and two very large 1000 watt subs?

    cnh
    Last edited by cnh; 11-20-2010 at 12:55 PM.

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    I have SDA SRS 2.3's for my HT system and they are amazing. I've tried it with and without the cable and it is better without the cable for 5.1.

    Over the years, I've had Polk RTi600, Energy, Mirage, M&K, Jamo and the 2.3's are by far the best so far. I think because of the shear size and # of drivers, they manage to throw a huge realistic, non-boxy soundstage, with earth-shaking impact. With my Denon, I have it set to LFE & Main (THX low frequencies and large front speaker setting) and the integration is seamless. For similar money, in my opinion, it would be impossible for me to replace these with anything that would perform as well.

    Having said that, those RTiA9's though would probably be phenominal, and with a smaller footprint, it would integrate into the HT concept very well. Also, as technology and materials for drivers and x-overs march steadily onward, newer high end speakers almost always beat out the old ones in terms of resolve. (Ducking for flames now )
    Last edited by Audioquest; 11-20-2010 at 01:18 PM.
    HT: Polk SDA SRS 2.3 main fronts, Klipsch RC-25 center channel, Polk RTi-150 rears, M&K V1B sub, Denon AVR-5800, Samsung 52" LCD, Sony BDP-S550

    2 Channel: Carver ALS Platinum, Audio Research LS-2B preamp, Counterpoint SA-100 amplifier, Integra CD player, Denon SL7D tt, TC750 phono pre, Nikko tuner

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    i have a line on some sda-srs which i could use in my 2 channel set up.what is a price range for these and what do i need to look for when i go audition them?

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    also any pro and cons for rtia9a versus lsi25s?budget is not an issue.Any input would be appreciated.

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    Look for frozen drivers. A nice gentle deep push on the passive radiator will tell you if the drivers are frozen. This also is a test for air leaks. More on that if you get them.
    Ben
    Welcome to Club Polk
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben

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    Quote Originally Posted by lazrdds7 View Post
    also any pro and cons for rtia9a versus lsi25s?budget is not an issue.Any input would be appreciated.

    There's plenty of sda/lsi/rti topics that has come up. Do a search, you seem to be very undecided what direction you want to go. Klipsch and definitive technology is also outstanding for home theater use.

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    the guy had them in storage for several years and has no amp to drive them,i was going to bring one of my larger adcom amps to audition.is this necessary or do i just need to check for frozen drivers.also any input on price if all drivers check out good or price if some are frozen.

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    Quote Originally Posted by lazrdds7 View Post
    the guy had them in storage for several years and has no amp to drive them,i was going to bring one of my larger adcom amps to audition.is this necessary or do i just need to check for frozen drivers.also any input on price if all drivers check out good or price if some are frozen.

    $1000 if all works. Drivers are easy to get and are cheap

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    I would take the A9's over the LSi25's but that's just me..

    Now the LSi15's I would take over the A9's but like I said that's just me..
    No Way But The Hard Way, So Get Used To It!!!

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    Quote Originally Posted by lazrdds7 View Post
    the guy had them in storage for several years and has no amp to drive them,i was going to bring one of my larger adcom amps to audition.is this necessary or do i just need to check for frozen drivers.also any input on price if all drivers check out good or price if some are frozen.
    Yes, take a music source along. As much as the 6.5" drivers can freeze up, the tweeters also can quit and no way to tell unless you play music through them. Also make a paper cone and put it to each one against your ear to make sure they are each indeed working.
    If you take them home, don't drop or give them a sudden jar as that's what seems to kill those old 6.5" drivers. Magnet/VC misalignment
    HT: Polk SDA SRS 2.3 main fronts, Klipsch RC-25 center channel, Polk RTi-150 rears, M&K V1B sub, Denon AVR-5800, Samsung 52" LCD, Sony BDP-S550

    2 Channel: Carver ALS Platinum, Audio Research LS-2B preamp, Counterpoint SA-100 amplifier, Integra CD player, Denon SL7D tt, TC750 phono pre, Nikko tuner

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    My SDA 2.3's are amazing in surround with the interconnect in place. I don't fully understand why anyone would say otherwise. After all, weren't the SRT's also using SDA technology?
    HT Setup... Pioneer Elite SC-37, Polk Audio SDA-SRS 1.2TL's , Oppo BDP 93
    Two Channel... Carver Statement 450~1 Vacuum Tube Monoblocks, Dodd Mid-line Tube Linestage with Psvane 12Ax7 tubes, Pioneer Pdd 9Mk II SACD Player, Yamaha PX-3 Turntable with Sumiko BPS EvoIII, Polk Audio SDA-SRS 1.2TLs.


    "The problems we face today exist because the people who work for a living are outnumbered by those who vote for a living." Brad Shurett

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    Quote Originally Posted by nooshinjohn View Post
    My SDA 2.3's are amazing in surround with the interconnect in place. I don't fully understand why anyone would say otherwise. After all, weren't the SRT's also using SDA technology?
    I use my 1.2TL's in my system. I like it, but I am not an expert

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    Quote Originally Posted by nooshinjohn View Post
    My SDA 2.3's are amazing in surround with the interconnect in place. I don't fully understand why anyone would say otherwise. After all, weren't the SRT's also using SDA technology?

    Not everyone's taste is the same. Some love sda's while others don't. IMO sda's sound good for 2 channel but lack that forward, dynamic sound I love when watching movies.

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    My center (CSiA6) does a great job of that.
    HT Setup... Pioneer Elite SC-37, Polk Audio SDA-SRS 1.2TL's , Oppo BDP 93
    Two Channel... Carver Statement 450~1 Vacuum Tube Monoblocks, Dodd Mid-line Tube Linestage with Psvane 12Ax7 tubes, Pioneer Pdd 9Mk II SACD Player, Yamaha PX-3 Turntable with Sumiko BPS EvoIII, Polk Audio SDA-SRS 1.2TLs.


    "The problems we face today exist because the people who work for a living are outnumbered by those who vote for a living." Brad Shurett

  20. #20

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    I see no problem with SDAs as main L-R speakers in a multi-channel home theatre. That's how my 1Bs are set up.

    I don't think SDA speakers for the side or rear channels would be appropriate; and who uses double center-channel speakers?

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    An original polk sda engineer commented on this very issue. I thought it was on this forum but im having a hard time finding it. The direction of the thread was the relevance of SDA and someone was arguing that it was an unrealistic gimmick. Anyhow, The engineer who helped develop the SDA line with Mathew Polk chimed in on its relevance as well as its place in modern sound reproduction and stated that SDA is ideal for HT and is best when utilized in in a 6.1 configuration with SDA sets for front and rear L & R and using non-sda front and rear centers. I currently use this setup and can attest to its efectiveness. I was personally shocked how much better it sounded than my previous 7.1 configuration.

    As stated, the RTS system utilized SDA as well. Not to mention Polk's current SDA Surround Bars. SDA may have been developed for stereo but it is equally as ideal for HT.

  22. #22

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    Quote Originally Posted by Schurkey View Post
    I see no problem with SDAs as main L-R speakers in a multi-channel home theatre. That's how my 1Bs are set up.

    I don't think SDA speakers for the side or rear channels would be appropriate; and who uses double center-channel speakers?
    SDA's sound great as rear L & R. Surprisingly so. But you are correct about the side channels, there is little to no gain on the side and SDA actually gives off funky artifacts when in that position. You could always use them and just remove the interconnect, however.

  23. #23

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    oh, one thing of great import is to make sure that when placing the rear left and right SDA speakers that they are on the correct side. Remember the SDA drivers go to the outside and so your rear right will be a "left SDA speaker." Conversely, the rear left channel will have the "right SDA speaker"

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    I use SDA-2B's as fronts, with RTA-12C's as rears, and a cs350ls as a center, and I love them.

    In the last couple of weeks I went back and forth between using my more modern Polks (RT-16's as fronts and RT-7's as rears) and my vintage Polks for the HT. I knew that I like the vintage Polk sound better for music, but I didn't that they would do as well for HT. I ended up liking the vintage Polks in the HT a lot. When I first did it I used the RTA12's as fronts with Monitor 5's as rears, which sounded great, but since I had an unused pair of SDA2B's sitting around, I said what the hell and tried'em out. I like it., and that's how it will stay... for a little while at least.

    My RT-16's aren't as good as the RTiA9's in question, though.

    If you like the vintage Polk sound but don't want the SDA effect, you could use RTA's or Monitors.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

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    CAN SDA-SRS be powered by pioneer sc09tx?

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    Quote Originally Posted by lazrdds7 View Post
    CAN SDA-SRS be powered by pioneer sc09tx?


    I have the pioneer elite vsx-84txsi and thought i would purchase the sc09 to replace it. I demoed it first to make sure it was going to be a worh while upgrade. I run external amps because on A/B comparisons the Pio just didnt hold a candle to my B&K or my Adcom. But thats only 140W/ch and slightly less with all channels driven hard. But I was excited to see how the new more robust ICE class-D amp of the sc09 would do, since i had seen the 200W/ch (all channels driven). And I have to say it sounded pretty decent. Not stellar, but pretty good. You have to make sure to set the receiver to 6 ohm mode but it does sound pretty good. My suggestion would be to use the receiver and see hat you think for a while. then maybe bring home a demo amp for your front channels and compare. Maybe borrow an amp or two from friends and just compare and contrast. I do have to say that the amp section of that receiver was much better than I was expecting it to be, great dynamics, very quick, but over all a little cold and thin. And those are 2 characteristics that dont translate well n the SRS's considering some people already find them a little bright.

    So the answer to your question, as i see it:
    CAN they? absolutely
    SHOULD they? you be the judge

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    Quote Originally Posted by lazrdds7 View Post
    CAN SDA-SRS be powered by pioneer sc09tx?
    Is it a common-ground amp? If it is, and if it can comfortably drive a 4-ohm (nominal) load...it's usable with the SRS

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    by the way, i didnt end up upgrading just yet. I still like the front end of my receiver, and I dont have a 3dTV yet. Plus I havent decided if I want to go the pre/pro route yet. I'm going to wait and see what happens with emotiva's xmc-1... but i certainly won be holding my breath til its release.

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    Quote Originally Posted by lazrdds7 View Post
    CAN SDA-SRS be powered by pioneer sc09tx?
    Yes they can but I'd definitely look into something external to get the best out your sda's.

    Got any pics of the a9's in your new setup?

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    I don,t know how to post pictures,any help would be appreciated.thanks for the a9s and center.it was a great deal and they sound awesome.i do have 2 adcom 2535 that i could bridge to run the fronts.how would those work for the sda-srs, besides the home theater, i have four other 5.1 systems in the house so both the sda and a9s will be great addition.with 7 teenagers and a 4 year old everybody needs their space to get away and you can never agrree on what to watch.

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