Good powered subwoofers to pair with original sda srs

I want to get a pair of powered subs to pair up with my sda's. Is there any decent subs that will pair good with these that won't break the bank? I found a couple cerwin Vega 15s that look decent and affordable. I might be over thinking this but better to be safe than sorry.
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  • I use a single 18'' definitive technology sub with my 1.2tl's with good results. I had 2 of them but I like a single one better. I run the Polks full range and use the sub on it's 40hz setting and about 1/4 volume on it's internal amp to add just a little bit on the bottom end
  • F1nut wrote: »

    At over 5 grand this one is not in my budget hahah. As I was looking through some subs and realizing a decent set is going to cost me more than I want to spend, I'm thinking of going with a passive set of subs. I have a crown ps 400 that can pump out some decent power that is doing nothing. Any suggestions on passive subs? And also that cost no where near that much. Also I'm wondering if a 18" sub can keep up speed wise? I mean at 5700 bucks it better do more than that hahaha. But again I'm not planning on spending anywhere near that.
  • DSkipDSkip Posts: 15,249
    Are you powering the srs properly?
    audiothesis.com/

    Speakers: Harbeth: 30.2, SHL5+; Usher: Be-10, T-515; Rosso Fiorentino: Elba, Pienza, Certaldo, Fiesole, Volterra; Polk: T50, Signature S15, RTA 15tl, RTi12; Sonner Audio Allegro Unum, Legato Unum, Legato Semis, Legato Duo; Emerald Physics CS-2.8; Klipsch KLF-20
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  • DSkip wrote: »
    Are you powering the srs properly?

    Yes the srs make plenty of bass, but I have some nulls in my room I'm trying to take care of. I'm hoping some properly positioned subs will help.


  • F1nut wrote: »
    F1nut wrote: »

    At over 5 grand this one is not in my budget hahah. As I was looking through some subs and realizing a decent set is going to cost me more than I want to spend, I'm thinking of going with a passive set of subs. I have a crown ps 400 that can pump out some decent power that is doing nothing. Any suggestions on passive subs? And also that cost no where near that much. Also I'm wondering if a 18" sub can keep up speed wise? I mean at 5700 bucks it better do more than that hahaha. But again I'm not planning on spending anywhere near that.

    That sub is faster than your speakers.

    For that price it better be faster than my car ahhaahah
  • SCompRacerSCompRacer Posts: 6,971
    edited November 2018
    Are you using any acoustic treatment such as bass traps? IMO that is the first step before adding subs.
    Make yourself necessary to someone. Ralph Waldo Emerson

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  • SCompRacer wrote: »
    Are you using any acoustic treatment such as bass traps? IMO that is the first step before adding subs.

    I have some acoustic treatment but not really bass traps. To really be effective they have to be pretty big it seems and I don't know if I have room for them. I most likely have room on the wall the speakers are on but definetly don't have room in the back corners.
  • Hi,

    I use SVS SB12-NSD with my SDA-1C but also check Rythmik Audio I have the F25 for HT work and is great.

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  • CH46ECH46E Posts: 857
    SCompRacer wrote: »
    Are you using any acoustic treatment such as bass traps? IMO that is the first step before adding subs.

    Agreed 100%. I have always thrown more subs at a bass problem. After installing 6 bass traps in the room the bass has never sounded this good. Mush more accurate, tight and musical. It made all the diff in the world. d1ut8zz06e17.jpg
  • CH46ECH46E Posts: 857
    edited November 2018
    SCompRacer wrote: »
    Are you using any acoustic treatment such as bass traps? IMO that is the first step before adding subs.

    I have some acoustic treatment but not really bass traps. To really be effective they have to be pretty big it seems and I don't know if I have room for them. I most likely have room on the wall the speakers are on but definetly don't have room in the back corners.

    That don't have to be that big to work. I have 4 on the front corners and 2 in the rear.

    I have Auralex LENRD Bass Traps. ZZSOUNDS will beat any price you find. They price matched their 4 part set for $169.00. I dont remember where I found the 169 price.
  • mantismantis Posts: 15,119
    This is the company you want to look at if you want musical bass performance. http://www.jlaudio.ca/home-audio-powered-subwoofers-e-sub
    Dan
    My personal quest is to save to world of bad audio, one thread at a time.
  • gmcmangmcman Posts: 1,312
    edited November 2018
    Your bass will build up in the corners, any chance you can get something into the corner but not protruding into the room, basically rounding off just the corner.

    You could get yourself into a situation that adding more bass could mask more of your midbass/ midrange creating even more problems.

  • gmcman wrote: »
    Your bass will build up in the corners, any chance you can get something into the corner but not protruding into the room, basically rounding off just the corner.

    You could get yourself into a situation that adding more bass could mask more of your midbass/ midrange creating even more problems.

    I decided to build to big bass traps for the front corners ceiling to floor, and then see where I stand. I hope it helps.
  • So I plan on making 2 super chunk style bass traps for the corners on the sides of my sda's. The speakers are at least the minimum distance from the wall they should be (3feet I think they call for) but the bass traps will be taking up some of that space. Will this mess with imaging or wreak havoc on the sda? I don't think it will but I'm also good at over thinking things. Any thoughts?
  • FWIW It didn't change anything when I added floor to ceiling corner traps behind my sda's.
  • FWIW It didn't change anything when I added floor to ceiling corner traps behind my sda's.

    Awsome.
  • DSkipDSkip Posts: 15,249
    Walk around your room and figure out if you have standing waves.
    audiothesis.com/

    Speakers: Harbeth: 30.2, SHL5+; Usher: Be-10, T-515; Rosso Fiorentino: Elba, Pienza, Certaldo, Fiesole, Volterra; Polk: T50, Signature S15, RTA 15tl, RTi12; Sonner Audio Allegro Unum, Legato Unum, Legato Semis, Legato Duo; Emerald Physics CS-2.8; Klipsch KLF-20
    Preamps: Shuguang S200MK, Dayens Ampino, Parasound P5
    Amps: Shuguang S845MK, Dayens Ampino Monoblocks, Parasound A23
    Integrateds: Triode Corporation TRV-88SER, MastersounD: BoX, Dueventi, Compact 845, Evolution 845; North Star Design Blue Diamond
    Sources: AURALiC Aries, Denon HEOS Link, North Star Design: Magnifico, Supremo, Incanto, Intenso, Venti
    Cabling: Wireworld
    TV: Sony XBR-75X940C
  • I went on the corners of my listening space. Made a huge difference...by bass traps I mean thick pillows hahaha.

    Gotta do what you gotta do sometimes.


    Hope my wife doesn't see this and wonder where the couch pillows went. :s
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  • BMF35BMF35 Posts: 50
    The Cerwin Vega powered 15" is large in size and in output. It plays very lows and makes the house next to you buzz and rattle in movies like Predator and Top Gun. For music though I like their 12" version a little better. It's not as boomy and has more detail. I own both and have spent quite a bit of time with each of them. Not just repeating what someone said a year ago that probably had zero experience in the first place.
  • ddogddog Posts: 43
    HSU.com...
    You'll find plenty of subs that will meet your needs, wants and desires...
  • pitdogg2pitdogg2 Posts: 12,081
    BMF35 wrote: »
    The Cerwin Vega powered 15" is large in size and in output. It plays very lows and makes the house next to you buzz and rattle in movies like Predator and Top Gun. For music though I like their 12" version a little better. It's not as boomy and has more detail. I own both and have spent quite a bit of time with each of them. Not just repeating what someone said a year ago that probably had zero experience in the first place.

    I like you have both Cerwin Vega CVT 300 and 200 15" and 12" respectively
    BUT they are no where close to anything from SVS or HSU. Cannot even get near their lows at all.
  • verbverb Posts: 4,465
    I use a single 18'' definitive technology sub with my 1.2tl's with good results. I had 2 of them but I like a single one better. I run the Polks full range and use the sub on it's 40hz setting and about 1/4 volume on it's internal amp to add just a little bit on the bottom end

    I just caught this. I must be still on my journey, but my SRS's (non TL) produce outstanding bass, IMO of course.

    If you don't mind, post a pic of your setup! Curious here. :smile:
    Basement: Polk SDA SRS, Rega RP1 TT, VTL 2.5 Preamplifier, Enlightened Audio Designs CD Transport, Northstar Designs DAC, Conrad Johnson MF2300A Amp, Furman 15PFi Power Conditioner, Wireworld Oasis 8 RCA IC's, MIT Terminator2 Bi-Wire speaker cables
    Office: PC, Marantz CD-1 transport, Marantz AMP-1, Acoustic Technologies Classic Speakers, SVS SB12 Plus Subwoofer, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable
    Spare Room: Dayens Ampino Integrated, Tjoeb 99 tube CD player (modified Marantz CD-38), Project BoxE Bluetooth Streamer, Polk TSi200's
    Living Room: Pioneer SX-N30 Network Receiver, Pioneer PD10AE CD Player, Furman M8-LX Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi Subwoofer
  • verb wrote: »

    I just caught this. I must be still on my journey, but my SRS's (non TL) produce outstanding bass, IMO of course.

    If you don't mind, post a pic of your setup! Curious here. :smile:

    Sure; 2nd post down. https://forum.polkaudio.com/discussion/182916/showcase-your-setups/p6
    I've since taken the Mitsu meter-switch box off the sub. Now I can barely go over 1/8 volume on the Def tech's internal amp or the bass will overpower the 1.2's output.

  • verbverb Posts: 4,465
    Awesome setup! Wow! Thanks for sharing that. Again!
    Basement: Polk SDA SRS, Rega RP1 TT, VTL 2.5 Preamplifier, Enlightened Audio Designs CD Transport, Northstar Designs DAC, Conrad Johnson MF2300A Amp, Furman 15PFi Power Conditioner, Wireworld Oasis 8 RCA IC's, MIT Terminator2 Bi-Wire speaker cables
    Office: PC, Marantz CD-1 transport, Marantz AMP-1, Acoustic Technologies Classic Speakers, SVS SB12 Plus Subwoofer, MIT AVt2 speaker cables, IFI Purifier2, AQ Cinnamon USB cable
    Spare Room: Dayens Ampino Integrated, Tjoeb 99 tube CD player (modified Marantz CD-38), Project BoxE Bluetooth Streamer, Polk TSi200's
    Living Room: Pioneer SX-N30 Network Receiver, Pioneer PD10AE CD Player, Furman M8-LX Power Conditioner, Polk RT265 In Wall Speakers, Polk DSW Pro 660wi Subwoofer
  • BMF35BMF35 Posts: 50
    I like you have both Cerwin Vega CVT 300 and 200 15" and 12" respectively
    BUT they are no where close to anything from SVS or HSU. Cannot even get near their lows at all.[/quote]

    The OP specifically mentioned the CV 15" and I do have some direct experience with one to share. I have a few other powered subs as well but didn't mention them since he was asking about CV.

  • nooshinjohnnooshinjohn Posts: 18,939
    edited December 2018
    Haven't commented yet, but thought I would offer a couple cents worth here. I find that the big Polks lack nothing in the bass department, however, using a subwoofer to reinforce what is already there has been beneficial for movie soundtracks. It also helps out a touch with two channel listening, but the tuning of the sub to the big Polks must be done with care so as to not become too boomy. Ideally, you should not be able to tell it's even on unless you turn it off. Anything else just becomes a muddy, unlistenable mess.


    I run a single REL S5 on a Longbow wireless connection and use both the high level and LFE connections. It works very well for me and helps to relieve some of the high-energy demands movie watching can place on the old girls.
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  • ddogddog Posts: 43
    edited December 2018
    I want to get a pair of powered subs to pair up with my sda's. Is there any decent subs that will pair good with these that won't break the bank? I found a couple cerwin Vega 15s that look decent and affordable. I might be over thinking this but better to be safe than sorry.

    What's your budget?
    What will you be using them for? Ht% music%
    What size is your room... is it open to another room?
    All this will help to guide you to the subs that will best fit your needs..
    Post edited by ddog on
  • pitdogg2pitdogg2 Posts: 12,081
    edited December 2018
    pitdogg2" wrote:
    I like you have both Cerwin Vega CVT 300 and 200 15" and 12" respectively
    BUT they are no where close to anything from SVS or HSU. Cannot even get near their lows at all.
    BMF35 wrote: »

    The OP specifically mentioned the CV 15" and I do have some direct experience with one to share. I have a few other powered subs as well but didn't mention them since he was asking about CV.

    Feel free to share. CV's 15" subwoofers start dropping like a rock at about 35hz and below.
    SVS and HSU go down to 20hz before they really start to drop. That's a huge difference. To be fair your room plays a big part as well.
    I found nothing wrong with either of my CVT subs they worked very well for my home theater. The motors of CV drivers are puny compared to folks who do nothing but subs.
    I also had other CV subs before the CVT series and even now they most recent subs are -10db at about 30hz.
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