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Help!!!! alternativecompression driver

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unclejam View Drop Down
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Joined: 14 January 2006
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Post Options Post Options   Thanks (0) Thanks(0)   Quote unclejam Quote  Post ReplyReply Direct Link To This Post Topic: Help!!!! alternativecompression driver
    Posted: 06 February 2007 at 10:45pm
the beyma CP755/nd
OHHHHHH Hellz Naw i cant doit


600 dollars

i love you rog your a wonderful guy n youve provided many a great design @ no cost n i appreciate you and you time but
i cannot justify spending 600 dollars om a compression driver im sorry i cant doit but what i will do is ask you about a cheaper alternative such as th P audio BMD 740


phew that feels better

k thanks have a nice day
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cletus View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cletus Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2007 at 9:15am
i lookedup and it would cost me like $300 just for postage :P
HAHA you should be lucky
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ceharden View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ceharden Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2007 at 9:32am
I think the answer is to buy the best compression driver you can afford.  You may not get exactly the same performance as Rog but as long as it's a good quality driver I'm sure it'll work fine.
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Timber_MG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Timber_MG Quote  Post ReplyReply Direct Link To This Post Posted: 07 February 2007 at 12:54pm
I would have a glance over to the big Seleniums as well. It seems a 4" diaphragm driver is what is being called for here though you might have to fine-tune the setup a little depending on driver chosen.
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Mircea Bartic View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mircea Bartic Quote  Post ReplyReply Direct Link To This Post Posted: 17 February 2007 at 10:29am
see if you can get your hands on some Selenium D4400Ti or Selenium D408Ti

both have 4"VC and Ferrofluid

should take a lot of beating too
general manager & head designer at nexus-acoustics research
http://www.facebook.com/nexus.acoustics.research

Ex Nexus_3
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Tekasis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tekasis Quote  Post ReplyReply Direct Link To This Post Posted: 11 September 2007 at 2:40pm
Originally posted by Mircea Bartic Mircea Bartic wrote:

see if you can get your hands on some Selenium D4400Ti or Selenium D408Ti - both have 4"VC and Ferrofluid
 
Other than the price, one being 1db more sensitive & 20 oz heavier than the other, what is the difference between these 2 comps ?
 
Selenium%20D4400%202%20%20high%20frequency%20compression%20driver
Selenium%20D408TI%202%20%20high%20frequency%20compression%20driver
D4400Ti
Size: 2" bolt-on
Diaphragm: Titanium
Power Rating: 125W RMS
Freq. Response: 400-20kHz
Sensitivity: 112db
Impedance:8 ohms
Recommended X-over: 800Hz
Magnet Weight: 120 oz.
Voice Coil: 4"

Specs
BUY NOW!
$319.99
D408Ti
Size: 2" bolt-on
Diaphragm: Titanium
Power Rating:125W RMS
Freq. Response: 400-20kHz
Sensitivity: 111db
Impedance:8 ohms
Recommended X-over: 800Hz
Magnet Weight: 92 oz.
Voice Coil: 4"

Specs
BUY NOW!
$208.99
 
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mykey View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 11 September 2007 at 3:06pm
The sound!
I put both the above drivers up against a DAS and it was clearly the better winner,but very expensive , even at trade prices, so I opted for the B&C DE750 was the one we went for.
Didn't like any of the Selenium comps.
 
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mykey View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 11 September 2007 at 3:13pm
Unclejam, that was funny.
If you do buy a Beyma, can we have video footage of when your showing your wife what you just paid $600.00 forLOL be alright if it was a diamond though.LOL
 
I remember when I showed my girlfriend at the time a 1U bss digital crossover that i'de I just paid a small fortune for, and spending the rest of the day being mentally tortured.
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uncle-will View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote uncle-will Quote  Post ReplyReply Direct Link To This Post Posted: 17 September 2007 at 2:47pm

Surely if your going to all the trouble of ordering some porn horns, and getting them sent to you why cant you order they beyma at the same time? The PAP price is cheaper and for export you can loose the vat?

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steste1122 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steste1122 Quote  Post ReplyReply Direct Link To This Post Posted: 28 March 2008 at 6:01pm
what about the Beyma CP755/Ti?  its got practically the same specs and costs $350.  is the sound that much different?
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