How to determine crossover frequency?

maurycy · 6th January 2006, 06:35 PM

Hi,

Thanks to members who replied to my previous post:
Reusing old speaker cabinets. Good or bad choice?

This one is a follow up.

Is there an easy way to determine crossover frequency without knowing driver parameters? I have speaker cabinets with built in XO and I would like to get matching pair of tweeter/woofer. The problem is, that the XO is permanently glued into the cabinet and some resistors and capacitors are facing down so I cannot read the specs. This prevents me from reverse-engineering XO by studying its components.

Please remember that I am a complete noob in DIY audio stuff

Thank you,
Alex

noodle_snacks · 7th January 2006, 12:01 PM

you could get a ball park amount by unplugging a driver at a time and doing signal sweeps to figure out where each starts to roll off.

maurycy · 7th January 2006, 03:29 PM

noodle_snacks: The problem is, that all I have is box with XO. No drivers. I know that the tweaters were Seas 6 Ohm model H310 but they are not available anymore.

Any other suggestions?

Thanks,
Alex

6th January 2006, 06:35 PM	#1
maurycy diyAudio Member Join Date: Dec 2005 Location: NJ	How to determine crossover frequency? Hi, Thanks to members who replied to my previous post: Reusing old speaker cabinets. Good or bad choice? This one is a follow up. Is there an easy way to determine crossover frequency without knowing driver parameters? I have speaker cabinets with built in XO and I would like to get matching pair of tweeter/woofer. The problem is, that the XO is permanently glued into the cabinet and some resistors and capacitors are facing down so I cannot read the specs. This prevents me from reverse-engineering XO by studying its components. Please remember that I am a complete noob in DIY audio stuff Thank you, Alex

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7th January 2006, 12:01 PM	#2
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	you could get a ball park amount by unplugging a driver at a time and doing signal sweeps to figure out where each starts to roll off.

7th January 2006, 03:29 PM	#3
maurycy diyAudio Member Join Date: Dec 2005 Location: NJ	noodle_snacks: The problem is, that all I have is box with XO. No drivers. I know that the tweaters were Seas 6 Ohm model H310 but they are not available anymore. Any other suggestions? Thanks, Alex

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