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Kenwood KB-700 super low frequency drive system

Discussion in 'Kenwood-Trio/Kensonic-Accuphase' started by Mcenroe7, Oct 16, 2018.

  1. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    Hi all..spent half the night trying to research this and could only come up with a picture from Argentina online. Wondering if anyone had heard of this model and/or used it? I’m picking up two of them later today with two pairs of KL-999z’s..I’m very curious if these are all intended to be used as a “set”?
    Any information will be greatly appreciated!
    Thanks!
     

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  2. rjsalvi

    rjsalvi Well-Known Member

    Messages:
    562
    Location:
    San Diego, CA
    Looks like an active subwoofer arrangement. Beyond that, I know nothing about it.
     
  3. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    I’m in the same boat. Never seen these before..I’ll try them out though! Here are some pics ..
     

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  4. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    Here are some more pics..both subwoofers needed refoam..they sounded “ok” but something was amiss so when I opened them up I discovered the issue. Very interesting design ..I would have bet money that the “driver” was the 15 inch !
     

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  5. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    Here is the finished product ..
     

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  6. Blue Shadow

    Blue Shadow I gotta get me a new title

    Messages:
    21,237
    Location:
    SE PA
    Is that a 150mm driver for a 380mm passive radiator? Edit, Nope but close.

    So I searched and found this:

    Clipboard01.jpg
     

     

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  7. Gibsonian

    Gibsonian Super Member

    Messages:
    3,563
    Location:
    Iowa
    So you refoamed both active and passive drivers?

    How does it sound??
     
  8. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    That’s great you found that! I have been searching on and off the last couple of weeks and only found the one pic on my first post.
     
  9. Mcenroe7

    Mcenroe7 Active Member

    Messages:
    417
    It sounds really good! I have it currently matched with a Sansui 881 Receiver and smaller Sansui model LM-110 Speakers ..the bass from the Kenwood really enhances the sound. The passive did not need re-foam..it has the fabric type surround.
     
  10. Gibsonian

    Gibsonian Super Member

    Messages:
    3,563
    Location:
    Iowa

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