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PB2+ or CS-Ultra?

Discussion in 'Speakers & Subwoofers' started by NateF, Jun 2, 2003.

  1. NateF

    NateF Stunt Coordinator

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    Ok, I'm going to be in the market for a high quality sub, and I'm fairly certain I want an SVS. I listen almost exclusively to HT, currently in a fairly small room (12x16) with hardwood floors, but I'm eventually going to want it to be able to fill a decent sized (16x24) room. Of course, that's further in the future and I can always buy a second.

    So my question is, which sub is better? I'm sure I don't need to define better to you guys in here - flat response, clean, accurate sound, etc.

    The price difference isn't enough to really matter to me, and either one will fit in my space, so I'm really just looking at quality.

    I couldn't find a response graph on SVS's site, but maybe I just missed a link somewhere.

    Any help would be much appreciated.

    -Nate

    (oh yeah, and this assumes getting the Samson amp with a single CS-Ultra)

    In case it matters, I run a Denon 3801, with an assortment of low to midrange speakers (they're next on the list to upgrade, but I figure going from no sub to having a sub is more important right now).
     
  2. Edward J M

    Edward J M Cinematographer

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    Hi Nate:

    The Ultra is tuned to 20 Hz with all ports open. The PB2+ is tuned to 25 Hz with all ports open.

    If you plug a port and tune the PB2+ to 20 Hz, it might have a 2-3 dB maximum output advantage over a single Ultra at all frequencies above 21-22 Hz.

    If you leave the PB2+ in the 25 Hz tune, it will have more like a 4-5 dB advantage over a single Ultra above 25 Hz.

    The Ultra driver has a slightly different sound than the Plus driver. It is subtle, but the difference is there, to my ears. I compared an Ultra to a 20-39PC+, and the Ultra just seemed to perfectly nail every passage no matter how complex and difficult. The PC+ was just a frog's hair behind the Ultra in sound quality, IMO. But both are extremely good.

    With the single Ultra/Samson combo, you can always add another Ultra down the road and power it with the spare amp channel.

    IMHO, the PB2+ represents an unparalleled value for the performance it offers, and if it was my $$, I'd take a PB2+ over the single Ultra/Samson combo. I simply think it is a better value for most HT enthusiasts.

    With that said, dual Ultra's are still the king and to some might be worth the significant cost over a PB2+.

    Regards,

    Ed
     
  3. james e m

    james e m Second Unit

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    So dual PB2+s would out gun the dual Ultras no problem correct?
    Thanks
    James
     
  4. Edward J M

    Edward J M Cinematographer

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  5. Zack_R

    Zack_R Stunt Coordinator

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  6. NateF

    NateF Stunt Coordinator

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    Thanks for the great responses, everyone.

    So, I have a few questions which are probably fairly simple.

    How much more am I going to hear/feel if I tune the PB2+ down to 20Hz? Are there movies that actually use bass that low? Are there movies that use bass as low as 15Hz? And if the PB2+ is better than the Ultra even when tuned at that level, why would you buy an Ultra? Or is the Ultra there for those with S.O. issues?

    Thanks again,
    -Nate
     
  7. Edward J M

    Edward J M Cinematographer

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  8. Mitch E S

    Mitch E S Stunt Coordinator

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    ED,
    I first had a 16-46CS+ and now have dual Ultras and I'd say that the driver in the 16-46 might even be 90-95% of the performance of the TV-12! Excellent value... of course I wasn't thinking about value when I ordered the second Ultra instead of the second 16-46CS+ [​IMG]

    Mitch
     

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