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Need crossover help [message #36147] Mon, 29 April 2002 02:40 Go to next message
Jostein is currently offline  Jostein
Messages: 4
Registered: May 2009
Esquire
Hi wayne and everybody else
I have some Emilar coaxial loudspeakers ELK12D, it is a 12" with a compression driver. The sensitivity of the compression driver is 102dB and 95 dB for the 12". I would like to build a crossover for these. Can you give me some advice.

Thanks
Jostein

Re: Need crossover help [message #36148 is a reply to message #36147] Mon, 29 April 2002 10:05 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)

Naturally, you'll need 7dB attenuation for the tweeter. Look at the response curve of the tweeter to know if you'll need top octave compensation, and how much.

Re: Need crossover help [message #36166 is a reply to message #36148] Mon, 29 April 2002 23:38 Go to previous messageGo to next message
Jostein is currently offline  Jostein
Messages: 4
Registered: May 2009
Esquire
I dont have any response curve of the tweeter, but I used a 900Hz filter I had around with a L-pad, just to test how it sounded and I think i will need top octave compensation. I think a crossover freq. of about 1.6-2kHz should be fine for this driver. I have never designed a crossover before and would be very grateful if you had som drawings of a crossover to use with this driver. The impedance of the driver is 8 ohm
Re: Need crossover help [message #36167 is a reply to message #36166] Tue, 30 April 2002 00:25 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)

Send your E-Mail address to Wayne@PiSpeakers.com and I'll send you the schematics. You may also be interested in the Spice models for same.

Thank You Wayne. I have sent Email adress. (NT) [message #36170 is a reply to message #36167] Tue, 30 April 2002 03:56 Go to previous messageGo to next message
Jostein is currently offline  Jostein
Messages: 4
Registered: May 2009
Esquire
nt
You have mail! [message #36174 is a reply to message #36170] Tue, 30 April 2002 07:13 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)

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