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  1. 12-25-2011, 03:44 PM #1
    Poultrygeist
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    No Baffle over Open Baffle Full Rangers

    No baffle four inch neodymium full range drivers over open baffle 17inch Sansui full range woofers. System is bi-amped with SET tube amp for upper frequencies and solid state for lower frequencies.

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  2. 12-25-2011, 04:53 PM #2
    Poultrygeist
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    Rear view

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  3. 12-25-2011, 07:40 PM #3
    Ajani
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    What's the advantage of no baffle instead of open baffle?
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  4. 12-26-2011, 03:15 AM #4
    Poultrygeist
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    If you physically attach a speaker to a board there will be some resonance and coloration. The idea here is to minimize these for the main driver. I would also like to try magnet mounting the Alphas without a solid attachment to the lower baffle and an 8 inch wide bander in the "hanging by a thread configuration".

    I've heard the "no baffle" speakers in the link below and they were outstanding. They were best enjoyed with eyes wide shut. :-)

    Greenvalve no baffle speakers « GREENVALVE AUDIO
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  5. 12-27-2011, 07:51 AM #5
    Poultrygeist
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    GRS 8FR-8 added to no baffles

    These inexpensive 8 inch full rangers from Parts Express sound much better than the 4 inchers. Next I'll try a pair of 4.5 Fostex full rangers.

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  6. 12-27-2011, 12:07 PM #6
    cackalacky
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    Quote Originally Posted by Poultrygeist View Post
    These inexpensive 8 inch full rangers from Parts Express sound much better than the 4 inchers. Next I'll try a pair of 4.5 Fostex full rangers.

    Would a Tripath chip amp adequately drive these? Redefining bang-for-the-buck.
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  7. 12-27-2011, 03:43 PM #7
    Poultrygeist
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    The SET amp I use for the main driver makes all of 2.5 wpc. Full range high efficiency speakers love T-amps.
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  8. 12-27-2011, 04:24 PM #8
    Poultrygeist
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    Fostex 4.5 driver in no baffle

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  9. 12-27-2011, 04:30 PM #9
    Poultrygeist
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    Fostex 4.5

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  10. 12-27-2011, 04:33 PM #10
    Ajani
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    So how does the fostex sound in this configuration?
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  11. 12-27-2011, 04:59 PM #11
    Poultrygeist
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    The Fostexs are better than the others, more detailed and the vibes from "Jazz at the Pawnshop" CD floated all over my garage this evening. I pulled them out of the Frugal Horns MkIII where they really work best and now they must go back.
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  12. 12-27-2011, 05:02 PM #12
    Poultrygeist
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    Source and amps used to bi-amp garage system

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  13. 12-27-2011, 05:04 PM #13
    Enochrome
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    You crazy builder Poultry!!!!
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  14. 12-27-2011, 05:22 PM #14
    Poultrygeist
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    Is there any treatment for this disorder?
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  15. 12-27-2011, 05:38 PM #15
    Ajani
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    Quote Originally Posted by Poultrygeist View Post
    Is there any treatment for this disorder?
    Yes... Donate all your projects to me...
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  16. 12-27-2011, 06:20 PM #16
    Enochrome
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    Ajani lives all the way in Jamaica...I'm in California so it only makes sense that they should go to me first
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  17. 12-28-2011, 05:36 AM #17
    Poultrygeist
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    If you guys were motivated you could build better than my humble efforts. Being retired with a garage and a few tools helps.

    I'm interested in combining art and audio. A flat open baffle speaker could make a nice canvas.
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