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new sub......amp problem.?????

Discussion in 'Archived Threads 2001-2004' started by Joe Meissner, May 15, 2002.

  1. Message #1 of 3 May 15, 2002
    Joe Meissner

    Joe Meissner Stunt Coordinator

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    O.K. i am using the old 120watt plate amp off of a optimus 10" sub(it is probably at least 6 years old). my new sub is using the Original SVS driver tuned to 22hz. when i play test tones it has no output below 30hz. it sounds great down to that point and then just has no output below that. it doesnt even fall off slowly , it just has no output at all. is this problem due to the amp having a limit or could it be the tune of the box. i tried adding some length to the port but it didnt change anything. I want to find out if that would be the problem before i make the wife mad [​IMG] and buy a new amp for it. seems kinda crazy to have a sub that will go down to 22hz and not take advantage of it.[​IMG]
     
  2. Message #2 of 3 May 15, 2002
    Brian Bunge

    Brian Bunge Producer

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    Joe,

    Sounds like your amp may have built-in boost in the 30-35Hz range. It also acts as a subsonic filter so that below that point response will drop like a rock. Sounds like you do need a new amp.

    Brian
     
  3. Message #3 of 3 May 15, 2002
    Joe Meissner

    Joe Meissner Stunt Coordinator

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    I knew i should have jumped on the parts express sale[​IMG]
    well if anyone has one they want to sell using paypal let me know.
    thanks
    Joe
     

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