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Stupid 1515/66/1 question

Discussion in 'Amps [BG]' started by vishuddha, Feb 1, 2013.


  1. vishuddha

    vishuddha 100% Mediocre Supporting Member

    Joined:
    Jul 22, 2012
    Location:
    Austin, TX
    Well, guys, my tax return isn't quite what I thought it would be.

    I have an LDS 1515/66/1 that is missing one of the 6s and both of the 15s. If I was only able to afford the 2 15s but not the other 6, what would happen if I tried to play it? Would it annihilate the 6 that is in there or would I just lose some treble output? Or would the "port" left by the missing speaker destroy my sound?

    Obviously this would be a VERY temporary measure but I am itching to get gigging again and I've had the unloaded cab sitting in my room waiting for a few months now. I really want to get it playable. I'd have the money to buy the other 6 but I really need to put it towards getting my car fixed up.

    I'd appreciate any answers or feedback!
     
  2. Downunderwonder

    Downunderwonder

    Joined:
    Aug 26, 2009
    Location:
    New Zealand
    You could seal off the missing 6 but the volume will be all wrong and the crossover will be all wrong so it won't be sounding like it's supposed to. And you'd have to listen for the remaining 6 not keeping up. Skip espresso, pizza and beers for another month?
     
  3. Mr. Foxen

    Mr. Foxen

    Joined:
    Jul 24, 2009
    Location:
    Bristol, UK
    Disclosures:
    Amp tinkerer at Ampstack
    If you have an active crossover externally, you could adjust things appropriately, you get half mac power handling, but that should be so loud with that rig anyway.
     
  4. Downunderwonder

    Downunderwonder

    Joined:
    Aug 26, 2009
    Location:
    New Zealand
    How finicky is the 6 to chamber volume?
     
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  6. wcriley

    wcriley

    Joined:
    Apr 5, 2010
    Location:
    Western PA
    Disclosures:
    Uncompensated endorsing user: fEARful
    What 6" driver are the mid chamber and crossover designed for?
    Some 6" drivers can keep up adequately on their own, depending on your taste.
    Definitely seal off the the baffle opening for the missing driver.
    Your crossover will be way off it's design points (and maybe the chamber volume), but maybe still suit your tastes.
     
  7. rpsands

    rpsands

    Joined:
    Jul 6, 2007
    Location:
    Phoenix, AZ
    NO. DO not do this. The midrange xover is designed to see a 4 ohm load, not an 8 ohm load. The results would be unpredictable.
     
  8. Foz

    Foz

    Joined:
    Jul 26, 2008
    Location:
    Jax FL USA
  9. vishuddha

    vishuddha 100% Mediocre Supporting Member

    Joined:
    Jul 22, 2012
    Location:
    Austin, TX
    Thanks everyone for the answers! Looks like I'll be waiting a little bit longer... should only be a few weeks... longest few weeks of my life. Hahah.

    I appreciate the feedback! You potentially saved me a lot of money...
     

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