Combining channels for sub

[Taliesin]

Hi all,

I want to build a powered sub-woofer. I've found designs for an active crossover that will cross over at 2Khz. http://www.linkwitzlab.com/filters.htm#3 Great!

Now my question: This is fine if you want to run two sub's, but I want only one sub so presumabely I need to combine the left and right channels at the output of the active crossover.

How do I do this? Can I just connect the channels together and run them straight into my mono amp?

Ian

 

[raindog]

you have to build a crossover for each channel and just couple the outputs toghether. You also may need buffers depending on the impedance of the amps.

 

[AndersP]

Hi.

This is from Rod Elliotts site:

An externally hosted image should be here but it was not working when we last tested it.

The circuit offers 2 ch in and mono out.