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Thread: Underwhelmed by Subwoofer

  1. #11
    Join Date: Jan 2011

    Location: Wiltshire

    Posts: 110
    I'm Alastair.

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    Quote Originally Posted by Macca View Post
    What's the reference for it going down to 21hz? Does not seem to be any spec about this on the B&W site. My guess is that it is not doing much useful under 50hz.

    If you want proper sub bass you'll need a big REL, or a Paradigm. Very few subs have useful output below 40hz and those that do tend to be large and expensive.
    From the PV1 Brochure "3dB 21Hz – 31/110Hz adjustable (EQ at i)"
    Regards

    Alastair

    RPi3/Digione & piCorePlayer, Ankaka Battery -> Beresford Caiman SEG DAC -> Passive Pre-Amp -> 4x Temple Audio Monoblocks powered by 2xLiFePO batteries->Van Damme Black Bi-Wired to B&W 804 Nautilus and Van Damme Interconnects

  2. #12
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 20,792
    I'm Martin.

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    Quote Originally Posted by Alp View Post
    From the PV1 Brochure "3dB 21Hz – 31/110Hz adjustable (EQ at i)"
    Pretty good performance. Might look out for one myself now you've established the problem was Audessy.
    Martin



    Current Lash Up:

    Technics SL1200P CD Player * NVA P90SA passive pre / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *


    'This is the sort of music I'd be listening to if I was going shopping for a training bra.'

  3. #13
    Join Date: Aug 2008

    Location: Suffolk, UK

    Posts: 1,221
    I'm Paul.

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    My theory is that with subs although the goal is to extend bass response you primarily tune the sub so that it acoustically sums with the other speakers in order to better align the bass frequencies and extension of those frequencies is something that happens as a result. If you try to just extend tha bass without fine tuning the way the sub sums with the other speakers the result can be disappointing.

    The same for supertweeters. You don’t actually listen to the supertweeter you listen to the acoustic sum of the supertweeter and the tweeters of your speakers.
    ~Paul~

  4. #14
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 35,340
    I'm Geoff.

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    Quote Originally Posted by Primalsea View Post
    My theory is that with subs although the goal is to extend bass response you primarily tune the sub so that it acoustically sums with the other speakers in order to better align the bass frequencies and extension of those frequencies is something that happens as a result. If you try to just extend tha bass without fine tuning the way the sub sums with the other speakers the result can be disappointing.

    The same for supertweeters. You don’t actually listen to the supertweeter you listen to the acoustic sum of the supertweeter and the tweeters of your speakers.
    Spot on.

    Although I would have said 'acoustically gels' rather than "acoustically sums".

  5. #15
    Join Date: Aug 2008

    Location: Suffolk, UK

    Posts: 1,221
    I'm Paul.

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    Quote Originally Posted by walpurgis View Post
    Spot on.

    Although I would have said 'acoustically gels' rather than "acoustically sums".
    But potato, batahaa (as us cockneys says, guv).
    ~Paul~

  6. #16
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 78,174
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by Macca View Post
    If you want proper sub bass you'll need a big REL, or a Paradigm. Very few subs have useful output below 40hz and those that do tend to be large and expensive.
    I can't deny the truth of that statement, but as you know I've got a pair of these little chaps, fitted with 12-inch drivers, strategically positioned in my lounge (albeit not a massive space), and the low-end 'oomph' they provide with movies (especially bomb explosions), in conjunction with my Celestion 15XRs (I suspect their ABRs also help in that respect), is fantastic:



    Unquestionably, they make a considerable difference, and not just with movies, but also 5.1 music SACDs/DVDs and YouTube videos. Cheap as chips, too: around 80 each from Richer Sounds!

    I think how good an effect you'll get with subwoofers, is as much down to careful positioning and adjustment, and seamless integration with the room (size, especially), as anything else. Alastair, I hope you sort your sub issues out soon

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

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