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Sub woofer management - Clarification please

Discussion in 'Subwoofers' started by Epoman, Sep 16, 2003.

  1. Epoman

    Epoman
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    I'm sure I already know the answer to this, but just to be sure, am I correct in saying that there is no loss of signal if I connect a sub woofer at high level only and set the front speakers to large?
     
  2. nathan_silly

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    Yeah that'll work. However it means a full-range signal will be also outputted to the fronts. If your l/r speakers are incapable of these frequenices you might have problems at higher SPL levels. And the amp will be reproducing frequencies that the speaker can't handle, sapping dynamic range.

    If you have bookshelf/satellite speakers I would set them to small 80hz, use low level subwoofer pre-out from the AV amp to the suwoofer, and set the subwoofer xover to 80hz.
     
  3. Epoman

    Epoman
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    Thank Nathan. I was thinking of a sub which does not have low level inputs.

    Would I set subwoofer to 'none' in order to get the full signal?
     
  4. Ian J

    Ian J
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    The subwoofer settings in an AV amp only deal with bass management via the low level output.

    If your sub doesn't have any low level connections you will have to connect via speaker level and set the AV amp to "No Subwoofer"

    Exactly how old is this sub anyway :confused:
     
  5. Epoman

    Epoman
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    Thanks Ian. It's a 9 yr old Stadium Mk1. Someones selling one (off forum) for £325. I was just wondering whether it was worth a go even though it dosn't have low level inputs.
     
  6. Ian J

    Ian J
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    I would say that if your interest is primarily music it could be a useful addition to your setup but if your usage is primarily for films my honest answer would be - don't know.

    I would have thought that a second hand Storm at that sort of price would be better as a film sub as you would be missing anything specifically patched via the LFE output on this Stadium.
     
  7. Epoman

    Epoman
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    Yeah Ian, I suspected that the high level would not pick up all the signal. I'm wondering whether to go for it (if the price is right) to tide me over until I can decide which of the higher end SVS/Velodyne/Rel options to go for.
     
  8. nathan_silly

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    I believe the Rel Stadium I crossover's were a bit dodgy- supposed to leak out higher frequencies that it supposed to.
     
  9. Epoman

    Epoman
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    Oh dear, so it looks like one to avoid then.
     
  10. avanzato

    avanzato
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    Is this the REL you're talking about. The price in '92 was £625 so £325 seems high.
    As for the crossovers couldn't you just add a modern subwoofer amp panel to bring it up to date?
     
  11. Epoman

    Epoman
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    Thanks for the link avanzato. I had a go with google and couldn't find anything on it :blush: .

    I don't think I could be arsed fiddling around with replacing the subwoofer amp.

    So it seems that I should give it a miss unless I get it for substantially less than the asking price. NK seems to thinkit's quite good though!
     
  12. Ian J

    Ian J
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    Wrong tense. That article was written 11 years ago and things have changed drastically in that time.
     
  13. Epoman

    Epoman
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    Price is now £250. Is this reasonable for a sub of this vintage?
     
  14. avanzato

    avanzato
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    So long as it's working properly then I would consider it at that price (could you get it at £200 or even lower? ;) ). In the early 90's subwoofers were still a bit of a joke in HiFi circles and REL was building them well to get around that perception. Volt drivers are rugged and so long as they haven't been abused (where has the sub been used?) will still be OK. The crossover maybe the weak point as it was fairly early in the development but if it is that bad then replacement with a modern one shouldn't be difficult.

    The usual things to find out are why it's being sold and what the history is?
     
  15. Ian J

    Ian J
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    The other thing to consider is, if this is a short term expedient as you mentioned earlier, you may have trouble selling it on again.

    I doubt whether you will find a buyer here for it.
     
  16. Epoman

    Epoman
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    It's one owner with it's original packing used in a quality hifi system and I'm pretty sure it's not been thrashed.

    I think you are right Ian - the stumbling block is going to be resale which is going to be difficult given its lack of connections.

    I think about it a little more - I might just be better off waiting (without a sub :( ) until something better comes along.
     
  17. Epoman

    Epoman
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    Just spoken to Rels technical bod who tells me:

    1. that if I connect at high level, set front channel speakers to large and subwoofer to none, there will be no loss of lfe signal.

    2. it is possible to connect at low level by putting a phono plug on the amp side of the neutrik lead and plugging that into the low level amp output, leaving the sub connected via the neutrik.

    If either are right then there should be no problem with the Stadium so I think I might give it a try if I can get it at the right price.

    He also said tht it would comfortably outperform the lower end Rel Q series, particularly the Q150E.
     
  18. avanzato

    avanzato
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    Interesting. Does that mean they still service and carry spares for a sub that old too?
     

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