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SVS 20-39 overkill?

Discussion in 'Subwoofers' started by Digger, Mar 5, 2004.

  1. Digger

    Digger
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    Hi All,

    How typical is this post?!

    Having heard all the positive noises coming from the SVS Owners Club here, i am thinking of buying either a 25-31 Plus or a 20-39 Plus to replace (depending on the results) a REL Q201 and a Storm III.

    Trouble is my room at the moment is only 3.5m by 4m in size and i would prefer the 20-39 Plus, but common sense dictates the smaller model. Is this right or might i get away with the larger version; anyone have experience of running a svs in a smaller room?

    Admittedly i will be moving house much later this year but have no room dimensions yet so could risk it
     
  2. Ian J

    Ian J
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    Jase has both a 20-39 PC Plus and a 25-31 PC Plus in his caravan. Is that small enough for you :D
     
  3. Digger

    Digger
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    who is this mysterious Jase, i wonder?

    Did he buy one then for various reasons bought the other. His views might be interesting as well as the size of his caravan, hope he beefed up the suspension :D
     
  4. Smurfin

    Smurfin
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    I run two Servo 15s in a room around that size, was about to buy an SVS PB-2 Plus...so no it's not overkill:D

    Remember, headroom is your friend:)
     
  5. Nimby

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    On the SVS website the 25-31 is described as louder than the 20-39 in the upper bass frequencies. The 20-39 has greater depth but (slightly) reduced output at the sort of frequencies which will probably make your room boom.
    If you find it does boom then move the sub away from the recommended corner position & out against a wall. If it still booms then put it in the middle of the room and pray! :D

    You can always make it less "hot" by a couple of dBs when you are matching.

    Final resort? There's always the parametric equaliser.

    You are using a Storm and it doesn't boom in your room? Surely that should indicate something about your likely results with an SVS. It plays the same frequencies... just louder. :smashin:

    Nimby
     
  6. Andywilliams

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    Hi Digger
    I set up my friends 2039 pc+ yesterday in his cinema room above his garage which is smaller than your room and it sounds just great.
    Cheers Gonzo.
     
  7. rags

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    3.5 by 4m is not that small a room - if I were you i'd max out and get the higher SVS model.

    Gonzo - is your mate happy wth the M&K's 850's and column surrounds ? How is the SVS sounding with them ?
     
  8. mandril

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    Sorry, a little off topic but. How much did you guys pay in VAT/import duty for the 20-39's?
    I am starting to go in the direction of SVS now and wondered what the total will end up if I buy one. Just had a quick look on their website and it seems you can pick up one for $750 delivered, which is £407 on ex.com at the mo.

    Thanks Ricky
     
  9. Digger

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    Thanks for the replies guys.

    i very rarely if ever get my RELs to bottom out so possibly i don't get that near reference levels, but that may change.
    How have current 20-39 & 25-31 pc plus owners got on with dialling them in for music listening, i.e. tightness of bass etc.
    Still be interested to hear from people, ex REL owners et al.

    Jase, whats the theory with the 2 subs?
    Gonzo, did you have time to listen to your friend's system with music and how was it?

    cheers guys
    Dave
     
  10. stevegreen

    stevegreen
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    Dave,

    I currently own a Rel Q200e and whilst I am pleased with its performance it is just not in the same league when compared to the SVS. I have heard two systems running similar SVS subs (20-39 IIRC) now and both of them (one with M&K and one with Polk) have made me extremely jealous for the kind of frequencies they go down to, the tightness of the bass with music and the 'slam' with movies.

    If i didn't live in a flat I'd be after one.
     
  11. Ian J

    Ian J
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    A well designed and well built sub will be as good with music as it is with movies and the SVS subs certainly come into that category. My SVS is as musical as my previous Storm was.
     
  12. Andywilliams

    Andywilliams
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    Hi Digger
    My mates svs is used for home cinema only but have had mine since last august and can only agree with ian, Its the best single piece of equipment ive brought since ive been into av stuff for the price i doubt you could find anything better.If i had the room i would have ordered a svs pb-ultra 2 by now still might if i can persuade the misses.It is excellent with music to.
    Cheers Gonzo.:)
    Ps Rags sean system rocks, he is very pleased now everything is set up the m&ks sound great just like they do in my room.:D
     
  13. rags

    rags
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    Good to hear mate :) .
     
  14. Digger

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    Just giving this a little nudge. . .

    I feel SVS will be getting an entry on my bank statement sometime this week!

    Anyone seen Jase around?

    cheers

    Dave
     
  15. stevegreen

    stevegreen
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    Jase doesn't visit much these days, I will have a chat and ask him to reply to you.

    I know what the reply is likely to be :smashin:
     
  16. S H A D O

    S H A D O
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    Hi

    Whatever one you choose, either the 25-31 PC+ or 20-39PC+, you'll have enough power to fill your room. Of course, if you want more, then buy two.;) Dual subs will even out the frequency response and also give you more than enough headroom to cope with very loud listening levels.

    I have the 20-39 PC+ left at it's stock tune and have the 25-31PC+ tuned to 20hz with one port blocked. The only reason I didn't have dual 20-39's is that one would have blocked the front right speaker because of it's height (no other place for it). With hindsight, dual 25-31's would have easily been more than sufficient.

    The subs, once setup and dialled in to be in-phase with each other, produce clean, tight bass and can cope with either movies or music with equal dexterity.:smashin: With the current exchange rate, I'd say go for it as they are a bit of a bargain. Hopefully you'll be pleased with what you hear.:)
     
  17. Digger

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    Thanks for your input Jase - much appreciated
    Thanks to SteveGreen as well

    Jase or anyone , do you find that tuning the 25-31 down to 20 Hz makes the subs sound identical when it comes to the real deep stuff as I still have not decided between the two; if it does then i will probably get the smaller model methinks.

    cheers
    Dave
     
  18. Ian J

    Ian J
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    The taller sub will probably have more volume around the 20Hz mark but most people will probably not notice. When discussing subs with SVS they do tend to say that the smaller sub will suffice but seeing as the cost difference is so small, most of us end up buying the taller one anyway.
     
  19. S H A D O

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    I couldn't really tell any difference between the two to be honest. Don't forget, if you want performance to go even lower you can block two ports (and select the relevant subsonic filter) on the 25-31 and have it drop to 16hz, although you'll trade off some output at the higher frequencies.
     
  20. JonLeach

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    Sorry to butt into the thread:

    i am in the same boat as it would appear quite a few of you. i have the amplification i want,

    Rotel 1066
    rotel 1080 coming soon,
    2x rotel 981's

    i'm using a MJ pro 50, almost thought about buying the B&W 675 in the classifieds.

    my room is 10 x 14 ft and i have a unused channel of RB981 should i get a passive sub or an active sub. the unused channel is on the amp i use as a centre?. i WILL buy an SVS next month but which one.

    the forums thoughts are very much appreciated.


    Jon
     
  21. Ian J

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    The PC Plus subs have 525 watt amps which I don't think your Rotel could compete with.

    The other thing that you may want to bear in mind is if you wish to sell it for any reason a "normal" active sub will be much easier to sell than a passive one as the market for that beastie is more limited
     
  22. JonLeach

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    thanks Ian


    Big one or little one then :)


    Jon
     
  23. Ian J

    Ian J
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    SVS use very crafty pricing with the three sizes only being $50 or £30 apart so there is little point going for the smallest on cost grounds.

    I think that most of us have gone for the 20-39 as being the best compromise between size and performance
     
  24. Digger

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    I think i would honestly prefer the smaller version (they are big after all) so a couple of days ago i fired off several questions to SVS, one of which is below, including TomV's reply

    Question
    If you or I were to blind test a stock 20-39 pc plus and a 25-31 pc plus with a port blocked (20Hz) would anyone be able to tell the difference when playing music and movies, including high volume levels?

    Reply
    probably not…at least not most of the time. Only on sustained loud bass <25hz will the 20-39PC+ have the potential for an audible advantage. And VERY few soundtracks can boost to have that type of signal recorded on them.

    cheers
    Dave
     
  25. JonLeach

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    not sure which size i would go for.

    how do they look in the room?

    starting to feel i need to buy one now!!
     
  26. Ian J

    Ian J
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    Mine blends into the background so effectively that I had long forgotten that it was there :D
     
  27. Ettepet

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    Beware of the size of these things, even the smallest Cylinder is still quite big (height: 90cm; diameter: 40cm). Such a big black pillar in the room might cause serious problems with your partner, if that's an issue. ;)

    In fact I know of a group of enthousiasts who bought SVS subs in a "buyout", several of which had to resell it because of this, and/or because the SVS was a dissappointment to them with music.

    Not to dampen spirits, just fully realise what you're getting into. On second thought you might not have a hard time reselling them when you found out they aren't your thing.. :D
     
  28. Nimby

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    I hope you're not right about music being a problem. I'd value a bit more feedback on this.
    I'm worried about the lowest cut-off point being only as low as 40Hz. This matches my floorstanders. I just hope there isn't an unpleasant overlap in the upper bass.
    l'm going for the 16-46 PCi specially for classical organ music.

    BTW: Those of you looking at SVS cylinders should remember that only the Plus model can be bunged in the ports. The PCi has a single large port.

    The reason for such a small difference in price between the 3 model sizes is simple enough. It is only another 6" of 16" diameter cardboard tubing and a bit more on the port length. Neither is a particularly expensive material. Particularly in bulk.

    Nimby
     
  29. Smurfin

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    If you don't mind a dustbin in your living room:D;)
     
  30. Ettepet

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    I'm not sure, but I guess it all has to do with taste and room-gain .

    Just like there are seperate brands/types of speakers for each taste, I can imagine that snappy and 'precise' bass-response isn't everyone's thing. And the extra frequencies might trigger room-boom and other stuff ruining their accustomed listening experience.

    Sofar (in general) I heared several people complain about the SVS sub being to much noticable during music playback, and some turning down the subs volume for music by 3dB for that reason. Room-influences?? I couldn't say. :)
     

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