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Thread: Phy hp 21

  1. #1
    Wammer
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    Phy hp 21

    I have a pair of these superbly made French full range drive units but have not got round to building a definitive speaker with them.

    I have looked at open baffle and semi open baffle as in Oceillia, Auditorium 23 and Musical Affairs.

    Does any one have any experience with any of the above speakers or these drive units?

  2. #2
    Wammer Hornucopia's Avatar
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    Yes, but only in a speaker (Ocellia Calliope .21 Grandis Signature)
    Lovely sound (and visitors concur!)
    They MIGHT work as OB as I seem to recall the maker testing them that way. See 'Ocellia Factory tour' in 6 Moons archive section to conjure up lovely mages.
    Whereabouts are you? I'm in Bristol.
    Which units do you have? (Concentric or not?)
    I'd think that a big conventional box isn't the way to go!
    Tolerance is not a Sapiens characteristic.

  3. #3
    Wammer
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    what about reso box?
    Horn OK Please!

  4. #4
    Wammer Hornucopia's Avatar
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    Pardon my ignorance....what IS a Reso box?
    Tolerance is not a Sapiens characteristic.

  5. #5
    Wammer
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    Thanks guys for the input.
    I have come across the Calliope on the internet, they look superb and the design is really appealing! I would love to hear them?
    My PHY units are the copper voice coil basic 21lb15 without the tweeter added.
    The reso box has thin walls (3mm ply) and a large ish non damped box which will, I believe, at certain frequencies resonate to enhace the drive output.


    I have tried simple plywood boxes but with limited bass output! So need to explore the semi open baffle options.

  6. #6
    Wammer
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    I have heard Chris's system and Ocellia speakers and they are totally awesome...amazing purity, incredible connection with the music. I suspect the design of the box is just as important as the driver unit! The designer of the driver, now deceased, did use them in open baffles, sometimes consisting of a wall with 20 tons of concrete!!! There is a factory tour on you tube which shows his office system with open baffles made of wood, about 12 feet high!! Mad as you like....love it

  7. #7
    Wammer
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    Quote Originally Posted by Hornucopia View Post
    Pardon my ignorance....what IS a Reso box?
    like this



    or

    Horn OK Please!

  8. #8
    Wammer Hornucopia's Avatar
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    Ah! So my speakers are Reso-boxes!
    Must try that line....come and listen to my Resoboxes!!

    Thanks Dr Bun for the kind words on my system!
    Paul; you're welcome to visit if you get down this way!
    Tolerance is not a Sapiens characteristic.

  9. #9
    Wammer
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    yep, ocelias are reso.
    Horn OK Please!

  10. #10
    Leper Wammer AmDismal's Avatar
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    Quote Originally Posted by Hornucopia View Post
    Must try that line....come and listen to my Resoboxes!!
    It's better as a palindrome - they are your sexobosers
    Compression drivers twerk my eardrums

  11. #11
    Wammer Hornucopia's Avatar
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    ....and I thought a Palindrome was an elephant! Oh, yes, PACHYDERM! (Though Ocellias ARE slightly larger than some (though not 5 unit horns!)
    Tolerance is not a Sapiens characteristic.

  12. #12
    Wammer
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    You looked at the Musical Affairs Grande Crescendo as a reference point?

  13. #13
    Wammer Hornucopia's Avatar
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    The Grande has TWIN PHYs in each box, I think?
    Tolerance is not a Sapiens characteristic.

  14. #14
    Wammer chelseadave's Avatar
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    I to have Resoboxes - Auditorium23 Solovox's. They are according to some reviewers better suited to T/T's which i will be installing soon. Needless to say they sound great on my CD player especially Folk, Blues & Female voices etc. Still moving them around and changing cables so could get better.
    Last edited by chelseadave; 03-07-2012 at 01:13 PM.

  15. #15
    Wammer Hornucopia's Avatar
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    'Suited to T/Ts'?
    That's just reviewers prejudices showing!

    I didn't find cable differences re Ocellias. But then, my ears are +50 years old.....and I'm a cable-sceptic.
    But I find most music is fine via PHYs.
    It's just a way of transmitting soundwaves to our ears well!
    Tolerance is not a Sapiens characteristic.

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