Lsi15 bass in movies

Nacken23
Nacken23 Posts: 100
edited September 2010 in Subwoofer Hookup & Bass Management
Hi everyone

I have a pair of Polk lsi15 connected to an onkyo 876 and powered by a Rotel amp 500wpc @ 4ohms. I have listened to music with them and the sound is great bass is very good for music anyways.:D
The problem is watching movies I have a 7.1 setup including the lsi15s see I have not got a separate subwoofer for the movies and have not really got enough money right now to buy one:mad:

Is there anyway to make more bass come from the front speakers the lsi15s to make up for having no sub?

Any advice greatly appreciated.
Post edited by Nacken23 on
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  • Nacken23
    Nacken23 Posts: 100
    edited September 2010
    Ok so if I set the lsi15 to full band and sub to off will this improve the bass output during movies will it direct some of bass meant for a sub to the lsi15:confused:
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  • BlueFox
    BlueFox Posts: 15,251
    edited September 2010
    I use 4 LSi15s set to full range on the AVR, along with a Sunfire TGA-5400 amp. For 99.9% of movies that is all the bass I need, or want. I prefer clear, precise detail in a movie, not a bunch of booms. I rarely turn on the sub, PSW-1000.

    I was rewatching Inglorious **** last night, and that movie should have won an Oscar for its soundtrack. So many ambient sounds are coming from the surround channels. An excellent job with the audio, and the booms are few and far between.
    Lumin X1 file player, Westminster Labs interconnect cable
    Sony XA-5400ES SACD; Pass XP-22 pre; X600.5 amps
    Magico S5 MKII Mcast Rose speakers; SPOD spikes

    Shunyata Triton v3/Typhon QR on source, Denali 2000 (2) on amps
    Shunyata Sigma XLR analog ICs, Sigma speaker cables
    Shunyata Sigma HC (2), Sigma Analog, Sigma Digital, Z Anaconda (3) power cables

    Mapleshade Samson V.3 four shelf solid maple rack, Micropoint brass footers
    Three 20 amp circuits.
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  • Cassidy
    Cassidy Posts: 87
    edited September 2010
    Nacken23

    The only way I got the bass I wanted for movies (and some music) was by adding a sub. I actually have 2 subs and everything plays together nicely.


    My set-up:
    LSi15's
    LSiC
    LC80f/x
    Onkyo 805
    Emotiva XPA3
    Rythmik 12x2
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  • Nacken23
    Nacken23 Posts: 100
    edited September 2010
    Thanks for your replies ya I think I need to get a sub for watching movies :D
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  • apphd
    apphd Posts: 1,514
    edited September 2010
    Nacken23 wrote: »
    Ok so if I set the lsi15 to full band and sub to off will this improve the bass output during movies will it direct some of bass meant for a sub to the lsi15:confused:

    If I am reading you correctly, YES, if it will be to the extent you are looking for, I don't know. Try it and see.
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  • Sherardp
    Sherardp Posts: 8,038
    edited September 2010
    SVS sub that is
    Shoot the jumper.....................BALLIN.............!!!!!

    Home Theater Pics in the Showcase :cool:

    http://www.polkaudio.com/forums/showcase/view.php?userid=73580
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  • McLoki
    McLoki Posts: 5,231
    edited September 2010
    When listening to movies without a sub - (assuming your LSi15's are your front speakers) your front speakers should be set to large and your sub should be set to off.

    (you really do want to get a sub though - trust me on that....)

    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)
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  • jon s
    jon s Posts: 905
    edited September 2010
    remember that the LSi15's woofers are only 8"... they can't push too much bass out with that size... you could blow out the voice coil if you push it too much...
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