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P. Audio C18-650el in PD1850 horn
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JOngix View Drop Down
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Joined: 10 April 2006
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Points: 25 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JOngix Quote  Post ReplyReply Direct Link To This Post Topic: P. Audio C18-650el in PD1850 horn
    Posted: 25 April 2006 at 6:03am

hey how about using a P. Audio driver in PD1850 horn... P.Audio modelled C18-650el... it was said in the plan that PD1850 and other drivers with EBP over 125 and BL's over 28 can use this horn cabinet.

P.Audio C18-650el has BL' that is over 28 specifically it has 30.78 T-M... so I presume it will work.... what can you say about that?

please help...

TS PARAMETERS

 

Thiele-Small Parameters
Resonant Fequency (fs) 34.8 Hz
Impedance (Re) 5.5 ohms
Coil Inductance (le) 1.57
Electromagnetic Q (Qes) 0.24
Mechanical Q (Qms) 5.73
Total Q (Qts) 0.23
Compliance Eqiv. Volume 231 liters
Peak Diaphragm Displacement Vol. (Vd) N/A
Mechanical Compliance of Suspension (Cms) 108.8 uM/N
BL Product (BL) 30.78 T-M
Diaphragm Mass incl. Airload (Mms) 192.11 grams
Equivalent Resistance of Mech. Suspension Loss (Rms) N/A
Efficiency Bandwidth Product (EBP) 145
Voice Coil Overhang (Xmax) 5mm
Surface Area of Cone (Sd) 1225cm2
Impedance at Resonance (Zmax) N/A

 

 

Size: 18"
Power Rating: 650W RMS
Frequency Response: 30-800Hz
Sensitivity: 97.9db
Impedance: 8 ohms
Voice Coil: 4" edge wound
Resonant Frequency: 34.8 Hz



Edited by JOngix - 25 April 2006 at 6:06am
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Mark James View Drop Down
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Points: 5309 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 25 April 2006 at 8:45am

the ts arnt horrendusly different actualy, i originaly thought it wouldnt, [and im still not convinced it will] but looking at it, its never going to be as good as the 1850. but its got a better chance than i originaly thought!

any one more quilified wanna offer an opinion?
me so horny me love you long throw
horn loaded for her pleasure
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Mark James View Drop Down
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Points: 5309 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 25 April 2006 at 8:47am
then i saw the x-max, i dont know if this is going to work, i was lokking at the 186, but the x-max is still alot lower than id hope for this purpose!
me so horny me love you long throw
horn loaded for her pleasure
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JOngix View Drop Down
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Points: 25 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JOngix Quote  Post ReplyReply Direct Link To This Post Posted: 25 April 2006 at 9:32am
what's the importance of this XMAX? are they that important in the criteria of PD1850 horn... will this P.Audio driver be useless if I put it in 1850 horn? or it will work but not that heavy as PD1850 does? even I have low Xmax and all other PArameters are almost the same does this sound poor?

was this driver (P. Audio) are intended for horn application or bandpass or bass reflex, etc....?


Edited by JOngix - 25 April 2006 at 6:32pm
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Mircea Bartic View Drop Down
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Points: 2582 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mircea Bartic Quote  Post ReplyReply Direct Link To This Post Posted: 02 May 2006 at 6:08am
a quick hornresp plot says it works well



plot made with one unit in a corner 1W

just make sure the driver fits into the rear chamber
general manager & head designer at nexus-acoustics research
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Mark James View Drop Down
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Points: 5309 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 02 May 2006 at 9:19am

@nexus 3

would it work in the 186 horn?

if so im going to order four next month!
me so horny me love you long throw
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JOngix View Drop Down
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Points: 25 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JOngix Quote  Post ReplyReply Direct Link To This Post Posted: 08 May 2006 at 5:04am

thank you so much for your support...

now i can buy the P. Audio driver with no doubt! cheers!

 
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Pozest View Drop Down
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pozest Quote  Post ReplyReply Direct Link To This Post Posted: 26 March 2008 at 12:24pm

Hi, did the P Audio driver fit into the 1850 cab? I own 4 drivers and i'm loving the 1850 cab so i want  to build some, but don't want to waste the cash on ply if it doesn't fit.
Can you feel the BASS!
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Xmax (mm) means how far the cone can move backwards and forwards while still being controlled by the magnet, If its exceeded then your driver will distort. If Xdam is exceeded then the driver will destroy itself!
 
Generalisation> So a small Xmax means than that at low frequencys and high power the driver is more likley to get damaged than a driver with a large xmax, (there is other stuff to take into account though)
 
[[[haha just realised i was replying to a 2 year old bit of the thread!]]]
 
To answer you Pozest, im not really sure, i would have thought that the 186horn would be more appropriate. hopefully someone else can help u theough!!!
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pozest Quote  Post ReplyReply Direct Link To This Post Posted: 26 March 2008 at 12:55pm

Thanks Jake_Fielder, you rekon the 186 is a better option or should I settle for scoops? for my C18-el650s. At the moment the drivers are in MTL2 cabs but sound crappy.
Can you feel the BASS!
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Hugo Biermann View Drop Down
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TDA uses them in WSX's.........................
www.aggressiveaudio.co.za
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I use them in X1s
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