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Thread: Tsi400 Question

  1. #1

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    Default Tsi400 Question

    I have a Sony STRDG820 7.1 Audio Video Receiver 100 Watts X 7 Amplifier Power (8 ohms, 1Khz, 1.0% THD) hooked to a Polk Audio PSW10 10-Inch Monitor Series Powered Subwoofer, Polk Audio RM8 Wide-Dispersion Array Satellite Speakers, and a Polk Audio RM8 Center Channel Speaker.

    My question is can I add the Tsi400's for my front speakers with out any problems? And is this a good choice?

    Thanks for your time

    I know very little about all of this stuff.

    Thanks again

  2. #2

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    The TSi400's are pretty efficient speakers, and don't take a ton of power to sing. Your Sony should do a fine job of powering them.

    One suggestion that I would make though, is upgrading the center channel along with the front left and right. Having a timbre matched front soundstage is pretty crucial to having a well balanced setup.

    The center channel is especially important. The center carries over 50% of a movies sound track...so you don't want to skimp on it. IMO, the RM8 center would be a bit overwhelmed trying to keep up with the TSi400's.

    The CS20 would be the ideal center channel to match with them. The CS10 would also work well.


    By the way, welcome to Club Polk!:)
    The nirvana inducer-
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    Yes, you can add them as the fronts. You will need to re-calibrate the system to adjust to the new speakers. I think you'll like them quite a bit better then what you currently have.

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    Right on Curt.

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    I am using my Polk Tsi400 with an Onkyo Stereo Receiver (TX 8511) rated at 100 W per channel. For the price the combination absolutely rocks. Both the Onkyo and Polks are bright, hence the combination is very bright too. Alternatively, have a look at the RTi A5's if your budget can be stretched a little.

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    It's a synergy issue for sure. I'm running a Pioneer Elite receiver, and demoed the Tsi500 (review is written, but long, so coming saturday), and didn't find them bright in my setup at all.

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    +1 on what the guys have said so far. Curt and messiah are right on, the 400's will work fine, but I also second the idea of swapping out your center to the CS20 as well. HT is very dependant on the center channel for most of the audio so you don't want to skimp on it. Move the RM8's to surround duty, and in time upgrade them to TSi 200's, get a better sub, and you will be in business!! Good luck and welcome to Club Polk.

    -Jeff
    HT Rig
    Receiver- Onkyo TX-SR806
    Mains- Polk Audio Monitor 70
    Center- Polk Audio CS2
    Surrounds- Polk Audio TSi 500's :D
    Sub- Polk Audio PSW125
    Retired- Polk Audio Monitor 40's
    T.V.- 60" Sony SXRD KDS-60A2000 LCoS
    Blu-Ray- 80 GB PS3


    2 CH rig (in progress)
    Polk Audio Monitor 10A's

    It's not that I'm insensitive, I just don't care.. :D

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    Yep, the center channel is pretty important. So is timbre matching. The center should match the fronts. If you are going to upgrade, have an upgrade plan for it all.
    Last edited by messiah; 09-10-2009 at 03:16 AM. Reason: spelling

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    Thanks to all, it is wonderful to get all of this help just by asking for it.
    I knew I would need to upgrade my center but money is so tight right now maybe a christmas gift under the tree this year.

    Thanks again for the help.....

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    What is "Timbre Matched" ?

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    Quote Originally Posted by pm8546 View Post
    Thanks to all, it is wonderful to get all of this help just by asking for it.
    I knew I would need to upgrade my center but money is so tight right now maybe a christmas gift under the tree this year.

    Thanks again for the help.....
    Quote Originally Posted by pm8546 View Post
    What is "Timbre Matched" ?
    Timbre matching is the same as voice matching...in that all of the drivers are the same, and have the same voice, or timbre. In a HT setup, ideally you want all of the speakers to be matched. When they all have the same drivers, you're going to have a much more even, natural sound across the whole sound field. Suppose that a car is driving across the screen. It starts on the left speaker, goes to the center, and ends at the right. If the centers not matched, it's going to sound slightly different in the mid-point of it's drive by.

    Timbre matching the front soundstage is a lot more crucial than timbre matching the surrounds to the fronts though.



    I'm sure you'll still be more than happy with the TSi400's in your setup, even without the center channel. You can only do so much at a time. My systems getting put together one piece at a time. Get the 400's for now, and then when you can, add a CS20. Then prepare to be blown away by how big of a difference a better center channel makes.;)
    The nirvana inducer-
    APC H10 Power Conditioner
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    DPA The Little Bit Three DAC
    Yamaha P-300 turntable/TCC TC-750 phono preamp
    Acurus L10 preamp
    Adcom GFA-545 power amp
    PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Type 4 speaker cables
    Audioquest Sidewinder IC's
    Audioquest Black Mamba IC's
    Signal Cable Analog II IC's

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    Thank You comfortablycurt,
    I learned something new today, and I need to start saving for a new center speaker

    Thanks again....

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    Great explanation Curt! PM8546 You can always start with the Tsi400's and if your receiver wants to play nice, run a "phantom" center, until you can get a matching center.

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    I agree with Curt and messiah on this one, be patient and do it right. If you budget doesn't allow for upgrades don't rush and buy something just to have it. Wait and get what you want/need to make you system sound it's best. Anything worth doing, is worth doing right the first time, esp. with audio equipment.

    -Jeff
    HT Rig
    Receiver- Onkyo TX-SR806
    Mains- Polk Audio Monitor 70
    Center- Polk Audio CS2
    Surrounds- Polk Audio TSi 500's :D
    Sub- Polk Audio PSW125
    Retired- Polk Audio Monitor 40's
    T.V.- 60" Sony SXRD KDS-60A2000 LCoS
    Blu-Ray- 80 GB PS3


    2 CH rig (in progress)
    Polk Audio Monitor 10A's

    It's not that I'm insensitive, I just don't care.. :D

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    Quote Originally Posted by wutadumsn23 View Post
    I agree with Curt and messiah on this one, be patient and do it right. If you budget doesn't allow for upgrades don't rush and buy something just to have it. Wait and get what you want/need to make you system sound it's best. Anything worth doing, is worth doing right the first time, esp. with audio equipment.

    -Jeff
    Hey Jeff.....the first time is only a stepping stone to "What if...?"
    Think about it.

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