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Old 21st January 2016, 02:46 AM   #1
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Default Crossover slope plotting software

Looking for something very simple, just to visually compare different crossover points and slopes. Is there anything like that out there?
This is an active crossover, so don't need circuit design features.
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Old 21st January 2016, 05:18 AM   #2
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You can use any spice program.

Look at this page for other suggestions .
ISO software to graph/plot crossover points - Car Audio | DiyMobileAudio.com | Car Stereo Forum

also

http://audio.claub.net/software.html
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Old 22nd January 2016, 04:07 AM   #3
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Quote:
Originally Posted by ashok View Post
You can use any spice program.

Look at this page for other suggestions .
ISO software to graph/plot crossover points - Car Audio | DiyMobileAudio.com | Car Stereo Forum

also

software
Thanks for the references. I ran into the same situation as the other poster, a lot of overhead to get a graph. I finally ended up just doing it manually. My intention was to get a visual comparison of attenuation between a 2nd order butterworth HP at 1400 vs a LR4 at 1000.
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Old 22nd January 2016, 09:46 AM   #4
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Partsim.com

Reakky easy to draw circuits and run ac analysis in v or db
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Old 22nd January 2016, 09:47 AM   #5
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Have to cheat to compare. if you want to compare 2 circuits you need to draw them both in circuit. theres no easy way to compare previous to current.
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Old 22nd January 2016, 02:09 PM   #6
Ron E is online now Ron E  United States
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If only the slope is important, just use excel and a semilog plot.
Each 6dB/oct is 20dB/decade.
Say you cross at 1kHz
to plot a lowpass at 6Db/octave you would plat a line 0dB at 1kHz and -20dB at 10kHz
to plot a highpass, 0 at 1kHz, and -20dB at 100Hz

for 24dB/octave it would be -80 at 10x or 0.1x the crossover frequency...
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