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  1. #1

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    Default RTi150's vs. LSi15's

    In your opinion which would be a better speaker to get the RTi150's or Lsi15's? I Listen to rock like Incubus, some rap, and classic stuff like Steve miller.
    -Adcom GTP-502 Preamp
    -Musical Designs D-75 Amp
    -Polk Ebony LSi9's
    -Sony NS500V SACD/CD/DVD
    -Velodyne CHT-10

  2. #2
    Polk-a-dweeb
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    The Lsi series are far superior to the RT series (IMHO).
    9/11 - WE WILL NEVER FORGET!! (<---<<click)
    2005-06 Club Polk Football Pool Champion!! :D

  3. #3

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    Originally posted by Frank Z
    The Lsi series are far superior to the RT series (IMHO).
    theres ol frank diggin on his lsi's again...i agree with ol frank
    Damn you all, damn you all to hell.......
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    Damn you all! - ATC

  4. #4

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    The Lsi series are far superior to the RT series
    That is just a tad bias.
    2ch rig??????
    Starting a new HT rig??????
    If this is your first leap into Polk and you got the cash. Polk is a only option - then yes LSi IS the way to go.;)
    PS3 and HD Front Projection, life is good. Too bad Blu-Ray and the PS3 are already obsolete.....

  5. #5

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    Talking

    I've had my RT55i's for almost a year now driven by a Musical Designs D-75 Amp and Adcom Preamp, it is purely for 2 channel music enjoyment.
    -Adcom GTP-502 Preamp
    -Musical Designs D-75 Amp
    -Polk Ebony LSi9's
    -Sony NS500V SACD/CD/DVD
    -Velodyne CHT-10

  6. #6

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    Different strokes for different folks.
    The rti150's in my opnion aren't that good.I heard them now 3 times and they don't do it for me.
    I own the Lsi15's so.
    But I'm not you............you be you and tell us what you think.
    Dan
    My personal quest is to save to world of bad audio, one thread at a time.

  7. #7
    Stronzo
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    I will have to concur with the majority of the crowd. The LSi-15s.

    HOWEVER- if you happen across the RT2000 or RT3000 powered towers at a good cost - they will be the speaker of choice for your taste of music.

  8. #8

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    Hi Clay,
    As you can see below, I have the RT line for home theater and wanted to improve the front soundstage for 2 channel music so traded up to a pair of the RTi150s. I've listened to the RT line for 4 or 5 years now. I haven't heard the LSi-15s myself, but based on member comments here and on "professional" reviews, the LSi-15s seem to be excellent for a 2 channel system at a reasonable cost. Of course, the professional reviewers weren't listening to Incubus!!! I haven't seen the RTi150s reviewed anywhere, but in my opinion they are quite an improvement over the previous RT line from a couple of years ago. I agree with the previous comment about the RT3000 system if you can find it used. Since the LSi-15s and RTi150s cost the same, I'd suggest heading to a local Circuit City store to hear the RTi150s demoed, and find a local dealer for the LSi series to get an audition. I haven't heard of the Musical Designs amplifier before, but make sure it can drive the LSi line (4 ohm). I doubt that's a problem. Only your ears and taste in music can really tell you what to get. There's really no way to compare the speakers because they are such different designs. This may be heresy on this forum, but for the music you mentioned above, you may want to look at Klipsch in the same price range. My guess is with Polks you'd go for the LSi line since you're only interested in 2-channel. If, however, you think you may develop an interest in home theater later, you may want to go with the RT line because you can use the speakers you have now as good surrounds.
    1. JM Labs Electra 920.1 and CC30; MB Quart Vera Sub; Pioneer SC-57; Squeezebox Touch; Panasonic BDT-500 Blu-Ray; Samsung 52" LCD; FIOS; PS Audio Power Plant Premier; MIT S3 cables
    2. Polk SDA-SRS 2.3TL; Sonic Frontiers Line 3 SE; Classe Model 25; Marantz SA8004; Acoustech PH1P; Squeezebox Touch; Music Hall MMF7; PS Audio P1000; MIT S2 cables
    3. Polk SDA 2A; Parasound Halo JC-2 and A21; Musical Fidelity X-DAC; Squeezebox Touch; PS Audio 4.7; MIT S1 cables

  9. #9

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    far as i have heard people on here say a few months ago when the 150's were the new unheard speaker was if you listened to hard rock or such get RTI150, did i not read this?? not exact word, and for the more defined listener get the lsi15's.. seems like my memory serves me on this one.. The 15's are far superior.. but i have heard the 150's and for hard rock, loud music, and such i would rec. the 150's.. more bass, more woofers for that kind of music, But to each is own
    MY HT RIG:
    Sherwood p-965
    Sherwood sd871 dvd
    Rotel 1075 amp x5
    LSI15 mains
    LsiC center
    LSIfx surround backs
    Lsi7 side surrounds
    SVS pb12/plus2


    2 Channel Rig:

    nad 1020 Pre-amp
    Rotel 1080 stereo amp
    Polk sda 2B
    kenwood grunt Tuner
    realistic lab 450 TT
    Signal cable IC

  10. #10

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    Originally posted by faster100
    far as i have heard people on here say a few months ago when the 150's were the new unheard speaker was if you listened to hard rock or such get RTI150, did i not read this?? not exact word, and for the more defined listener get the lsi15's.. seems like my memory serves me on this one.. The 15's are far superior.. but i have heard the 150's and for hard rock, loud music, and such i would rec. the 150's.. more bass, more woofers for that kind of music, But to each is own
    The i150's makes me drool
    Damn you all, damn you all to hell.......
    I promised myself
    No more speakers. None. Nada. And then you posted this!!!!
    Damn you all! - ATC

  11. #11

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    True they cost the same as the 15's but remember you still have to buy a 400 buck center, 600 buck rears, and so on... so just because they cost the same doesnt make them a perfect choice for everyone. Like me, I could have had the 15's but just can't justify the rest of the cost right now assuming a HT setup
    MY HT RIG:
    Sherwood p-965
    Sherwood sd871 dvd
    Rotel 1075 amp x5
    LSI15 mains
    LsiC center
    LSIfx surround backs
    Lsi7 side surrounds
    SVS pb12/plus2


    2 Channel Rig:

    nad 1020 Pre-amp
    Rotel 1080 stereo amp
    Polk sda 2B
    kenwood grunt Tuner
    realistic lab 450 TT
    Signal cable IC

  12. #12

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    I still haven't yet heard the LSis, but I would venture to say that for hard rock/heavy metal music and for dynamic movie soundtracks with plenty of gunfire, explosions, etc. that the RTi150 would probably be the better choice, especially if you are receiver based. For 2 channel stereo music listening with opera, classical music, or any number of "audiophile approved" recordings that noone ever listens to such as "Mary Ulmer And Her Happy Little Dulcimer" (or some other crap like that), then it's the LSI15 hands down, that is provided you have a seperate power amp for it.
    Last edited by bigsexy1; 01-12-2003 at 04:51 PM.

  13. #13

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    I still haven't yet heard the LSis, but I would venture to say that for hard rock/heavy metal music and for dynamic movie soundtracks with plenty of gunfire, explosions, etc. that the RTi150 would probably be the better choice, especially if you are receiver based. For 2 channel stereo music listening with opera, classical music, or any number of "audiophile approved" recordings that noone ever listens to such as "Mary Ulmer And Her Happy Little Dulcimer" (or some other crap like that), then it's the LSI15 hands down, that is provided you have a seperate power amp for it.
    I think you nailed my thinking on this issue.......:D
    I agree!!!!!
    PS3 and HD Front Projection, life is good. Too bad Blu-Ray and the PS3 are already obsolete.....

  14. #14

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    Look the LSi line is refined and flat. It might take some time to get used to, but it they perform beautifuly with Rock/Metal and with heavy duty soundtracks.

    I don't listen to opera or classical music or "Mary Ulmer And Her Happy Little Dulcimer" - but I love my LSi's. ;)

  15. #15

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    If I had a chioce of the two (more the less - the cash), Then i'd go i150's all da WAY! LOL! Get the i40, the i38s, i30 (rear center)..man oll man...can u say? THUMP THUMP THUMP!
    Damn you all, damn you all to hell.......
    I promised myself
    No more speakers. None. Nada. And then you posted this!!!!
    Damn you all! - ATC

  16. #16
    Stronzo
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    Bigsexy,

    Whenever the opportunity presents itself - go out and demo any of the LSi' line. Do not hesitate to bring your favorite movie and/or hard rock cd.

    While I do agree the RT150i's are the speaker of choice for a reciever based system, if you maintain capable sources than I would not dismiss the LSi15's in any way shape or form.

    They may suprise you with their fidelity and versitility. Fully capable of bringing you crystal clear audio from virtually any format you throw at it.

    Personally, I feel none of the RTi series can compete with the sheer thrill and bang of the RT2000ps and RT3000ps.

    It all depends on the application you use them for, I have come to find that the LSi is a much more capable and versitle speaker than I originally thought it would be.

    Yeah - they can "rock" alright. :)

  17. #17

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    I haven't heard the RTi150's yet, but I think the LSi15's are awesome with rock music!

  18. #18

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    I agree with fireshoes. The LSi definately rock. I listen to black, death, goth metal and my LSi9 blows away my 800i. My LSi slams way harder than my 800i. The 800i can't even touch the dynamics of the 9's. I haven't heard any type of music that sounds bad on the 9's. Extreme music played through the LSi is just amazing because it sounds so effortless.

    Maurice
    CD Player: Original CD-A8T
    Receiver: Harman/Kardon HK3390
    Speakers: Polk Audio RT1000p
    "I would rather have a cup of tone than an ocean of power" **Dr. Harvey Rosenberg**

  19. #19

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    I want to make this perfectly clear guys, I am in no way, shape, or form bashing or dissing the LSi15s. Hell, I still haven't even actually seen them yet, much less heard them, so how can I form an opinion about them yet? I was just stating that I believe that in certian applications and/or sitauations (such as those I SPECIFICALLY mentioned in my previous post), that I belive the RTi150 might be the better choice between the two. However, I also agree with Emlyn, maybe Klipsch would be a better choice in that particular case than either.

  20. #20
    Stronzo
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    Bigsexy,

    I dont believe anyone here, myself included, interpreted your thesis of the LSi to be insulting of the least.

    All that can be suggested is to give them a good listen whenever the situation presents itself - hopefully - you will be pleasently suprised. I know in many instances, people have had poor demo sessions with the LSi, as a few dealers refuse to run them on decent seperates.

    RTi150 is a more - impact speaker with thrills. I personally dont enjoy it because its much more layed back then its RT2000 and RT3000 brothers. Yet, not nearly as refined as the LSi cousins. In my opinion, its simply an in-between speaker.

    I will ventuer to say that the Lsi 15 is superior in virtually every way to the RTi150 except in perhaps rap/hip hop. Also, the 15 usually requires higher end gear to make it shine, so the cost is yet another issue.

    Both are great speakers - if you own either one - your good to go!

  21. #21

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    It's great to have choices isn't it? In my case, I was limited in my choice by the need to voice match with the other speakers from the RT line for a compromise home-theater/music system. I agree with ATCVenom above in that the RTi150s are an in-between kind of speaker. Not the greatest for all types of music; but still very good at everything. The three small woofer design does seem to make them more refined than the older top dog RT speakers, but maybe at the expense of impact at the low end. The RTi150s do extend deeper than the LSi15s though, although that's not all that relevant if one uses a good musical subwoofer like the PSW650. Maybe another good option to consider is pairing a set of the LSi9s on a good set of stands with the PSW650 or the new 808 when it comes out. I'm thinking that should be awesome as a strictly two-channel music system for about the same price or little more than a pair of the LSi15s or RTi150s without a subwoofer.
    1. JM Labs Electra 920.1 and CC30; MB Quart Vera Sub; Pioneer SC-57; Squeezebox Touch; Panasonic BDT-500 Blu-Ray; Samsung 52" LCD; FIOS; PS Audio Power Plant Premier; MIT S3 cables
    2. Polk SDA-SRS 2.3TL; Sonic Frontiers Line 3 SE; Classe Model 25; Marantz SA8004; Acoustech PH1P; Squeezebox Touch; Music Hall MMF7; PS Audio P1000; MIT S2 cables
    3. Polk SDA 2A; Parasound Halo JC-2 and A21; Musical Fidelity X-DAC; Squeezebox Touch; PS Audio 4.7; MIT S1 cables

  22. #22

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    Emlyn makes a good point. I see no reason to even consider the RTi150 for anything but a dedicated full range 2 channel application.

    For HT, the bass capability is overkill unless you planned on doing without a dedicated sub and running them on large. Russ made a great point in another thread - run the RTi150 on Large or don't even bother and get a smaller speaker.

    If that's the case, you are now you are looking at a multiple compromise - 1) they won't do bass as well as the best subs out there, and 2) they require a boatload of power and current to perform at their true potential. The typical 100WPC A/V receiver will have far more than it can comfortably handle trying to drive the RTi150 hard. I'd run these puppies with AT LEAST 300 WPC of high current power in any full range application.

    If I was looking to upgrade for a music and HT combination, it would be the LSi9 all the way with a separate powered sub.
    "What we do in life echoes in eternity"

    Ed Mullen (emullen@svsound.com)
    Director - Technology and Customer Relations
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  23. #23

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    Hey Dr. Spec,
    I've learned a lot about bass from your posts here. I'm running my RTi150s and the center with three channels of the 5 channel Rotel 1075. My eventual goal is to step up to the Rotel 1090 amp at 380 watts/channel for the mains, but that has to wait for a while. I do have a hand truck ready to move the amp if I get one though. You're absolutely right about the redundancy of a mediocre subwoofer with these speakers. The PSW-450 sits in the corner like a little lost child while the RTi150s extend lower than it can.
    1. JM Labs Electra 920.1 and CC30; MB Quart Vera Sub; Pioneer SC-57; Squeezebox Touch; Panasonic BDT-500 Blu-Ray; Samsung 52" LCD; FIOS; PS Audio Power Plant Premier; MIT S3 cables
    2. Polk SDA-SRS 2.3TL; Sonic Frontiers Line 3 SE; Classe Model 25; Marantz SA8004; Acoustech PH1P; Squeezebox Touch; Music Hall MMF7; PS Audio P1000; MIT S2 cables
    3. Polk SDA 2A; Parasound Halo JC-2 and A21; Musical Fidelity X-DAC; Squeezebox Touch; PS Audio 4.7; MIT S1 cables

  24. #24

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    Emlyn,
    just my 2 cents, I have my LSi15 paired up with REL storm III, and I have to say that was one of the decision that I am very happy with. It complements each other that 2 channel performance is so clean. I listened to mainly Jazz and these duo is impressive in the amount of details and soundstage they bring. I use Rotel receiver (rsx-1065) to drive them.
    I am sorry, I have no opinion on the matter. I am sure you do. So, don't mind me, I just want to talk audio and pie.

  25. #25

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    I have a pair of the rti150 for ht, powered by a old onkyo m-504.I have them paired with 2 subs & on my denon rec I set the thx to lfe plus mains and hey it shakes the house,and sounds great. The lsi series I listen to was fantastic, but I think they where for 2 chann listening. Just my 2 cents worth
    My HT set-up Panasonic front proj, 120 in ws screen, ATI amp,Integra 9.8 pre-pro, 2 Polk rti150, cp 1000, 4 fx 1000, Pioneer blu-ray 2 SVS sub pb 12-ultra 2, & Paragon popcorn popper. ps 3 Coaster leather HT recliners.

  26. #26

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    without listening to the speakers,I don't see how any opnions can be formed.With that being said,please go out and listen,then report back.
    I have heard the rti150's and man,they don't compare anywhere at all.There big and thats it.My opnion of them is that they are not worth the asking price.They sound like a thousand dollar speaker,no more.The bass doesn't sound natural or refined.I expected alot more out of them.
    The Lsi15's are all around a better speaker.In my opnion of course.Whats up with the new black cabnets???I say it looks like they didn't stain them enough.I 'm no fan of ebony,at least Polk's anyway.My Lsi's where ebony,I got them out for cherry.
    Dan
    My personal quest is to save to world of bad audio, one thread at a time.

  27. #27

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    I also listen to mostly hard rock/metal. I owned the RT3000p's which were freakin great however they were no where near as musical as my LSi15's and Servo-15. I think my RT5000 system was better for HT than my LSi setup but music is much better on LSi. Overall I am happier with LSi

  28. #28

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    IMO, the RTi150 and the LSi15 are apples and oranges. You can compare them, I suppose, but they are different animals.

    Look, I'm just saying, if you demo them at Circuit City, you aren't getting a good demo on the RTi150. Period. As absurd as trying to compare these speakers is (IMO) even more rediculous is trying to compare an LSi demo at a decent hifi shop to a 'demo' at CC. The speakers at CC are hooked up to a receiver and I'm going to bet that they are crossed over at 80hz so you won't ever know what kind of bass they are capable of. I also doubt that you could get one of the salesman to figure out how to up the reciever to put the speakers to 'large' and sub to 'no'. Even if you could, they won't do it. I've tried. They won't.

    So, I'm just saying, if you base your opinions of a speaker based on a demo at Circuit City, I think you are selling it short.
    I plan for the future. - F1Nut

  29. #29

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    So, I'm just saying, if you base your opinions of a speaker based on a demo at Circuit City, I think you are selling it short.
    I think this is a good point.But where on earth can you demo Polk speakers????Nowhere thats where.Thats the problem for the last 4 years.Holes in the wall,CC The Wiz but they closed up.No on around here carries Polk.It seems to be a common problem.
    The speakers at CC are hooked up to a receiver and I'm going to bet that they are crossed over at 80hz so you won't ever know what kind of bass they are capable of.
    Really?Funny how easy it is to do yourself.If you run into this problem,set it up yourself,you don't need a salesman to do that.No sub and large.
    With a speaker like the rti150,as good as they should be,why doesn't any good audio stores carry them?Where you can get a demo?There is NONE around here that carries Polk.CC is where there sold, so CC is where to demo.
    Dan
    My personal quest is to save to world of bad audio, one thread at a time.

  30. #30

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    Actually, for 2 channel stereo music listening, I personally prefer a main pair of towers or powered towers without a seperate sub, and to only use the seperate sub on movies.

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