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  1. #1
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    3 ways to climb Everest

    Just wanted to share a 3 way project with lots of help and advice from Greg Timbers.

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    Tried the 2 way set up, but in the end, it ened up like this ...
    4x 600W Bryston 7bsst2 direct into each of the woofers.
    stereo 300W Bryston 4bsst2 for the top.
    Pass Labs xvr1 for the 700Hz cut and fed back into another xvr1 for a 150Hz woofer cut.

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    Okay, tell us about the wooden blocks.

    Did you try them both on and off the blocks? (And how did you get them up there in the first place?)
    Out.

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    There is no magic, but I always found that when lift the speakers a few inches off the ground, it cleans up the bass.

    Something I learnt from the Japanese.

    http://www.taoc.gr.jp/new_base.html

    These are yoga bricks that I bought and thought what a wonderful idea for the Everest to do some yoga.

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    Senior Member timc's Avatar
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    Sooooo. The $1000 question. How does it compare with original passive setup? How much better is it? In my experience going active is a big step forward.
    2213 + 2435HPL w/aquaplas + H9800 (Matsj edition)

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    the setting for the 2nd woofer is 6db at 133, 12db at 133, Q Mid.


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    Quote Originally Posted by vivaregina View Post
    Pass Labs xvr1
    Nice unit!

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    Senior Member pos's Avatar
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    Quote Originally Posted by vivaregina View Post
    the setting for the 2nd woofer is 6db at 133, 12db at 133, Q Mid.
    Don't you mean 700Hz for the 12dB/oct ?

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    http://www.meta-gizmo.net/Tri/bi-ampling.html


    Gizmo said everything there regarding bi amping.



    Tri amp on the Everest took it to another level, and by a massive margin.

    I tried a 250W bottom and 150W top bi amp.

    Then switched to the 600W+300W bi amp. The extra power improved the bass control.

    Then the revelation came with the 600W+600W+300W tri amp. Width, depth, bass control, detail, isolation and separation of instruments etc. I guess it is a bit like going from VHS (full range) to DVD (bi amp) and now to Blu Ray (tri amp).



    In short, I stopped thinking about the audio and really enjoyed the music.

    Try the Miles Davis Kind of Blue, first track, 8th minute, when the bass starts playing a little rhythm.



    I could write a lot more, but it is really to be experienced.

    If you own a pair, you must give tri amp more thought.

    If you do not own a pair, you should consider getting them.



    My ears are bleeding but I can hear everything.

  12. #12
    Senior Member timc's Avatar
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    I have made diy system with the 1200Fe and the 2435/H9800, and getting a strong enough amplifier on the woofer, really made a difference. So was going from passive to active setup.

    We use the Crown Studio Ref 1 for woofer duty. Man, i have never heard such control and efortlesness.

    Good to hear you like your system. Thats some serious $ in Brystons.

    -Tim
    2213 + 2435HPL w/aquaplas + H9800 (Matsj edition)

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    Senior Member caladois's Avatar
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    Thanks for sharing. Let us know about the progress in time. Concerning the tri -amp, did you tried a "simple biamp" before starting this work ? I don't believe the tweet need it ...
    Am I wrong ?
    Regards Stephane

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    Great thread!

    I think it should inspire others to re-create top of the line models we could not afford otherwise!

    Thanks for sharing with us!

    Regards, Ron
    JBL Pro for home use!

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    Quote Originally Posted by caladois View Post
    Thanks for sharing. Let us know about the progress in time. Concerning the tri -amp, did you tried a "simple biamp" before starting this work ? I don't believe the tweet need it ...
    Am I wrong ?
    One amp per 1501AL and one amp on the HF/UHF.

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