You can't connect the output of each channel to one common driver. You can use one channel to drive one woofer and the other channel to drive another woofer, but not both channels to drive one woofer. That is, unless the woofer is a dual voice coil unit and you're running them in parallel.
As far as running two different amps, this can be done, but you can run into a lack of "even-ness" between their output levels. That is, unless they have the same gain or amplify signals at the same rate.
Think of having two cars with equal horsepower & torque, but with different gearing. One may deliver all it can much faster whereas the other may take longer to deliver the same amount of power because it can't "rev" as quickly. Using identical motors with identical gearing makes things far simpler and easier to achieve identical results. Sean
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PS... I was a "gear-head" in a former life, so i can speak that language too : )
As far as running two different amps, this can be done, but you can run into a lack of "even-ness" between their output levels. That is, unless they have the same gain or amplify signals at the same rate.
Think of having two cars with equal horsepower & torque, but with different gearing. One may deliver all it can much faster whereas the other may take longer to deliver the same amount of power because it can't "rev" as quickly. Using identical motors with identical gearing makes things far simpler and easier to achieve identical results. Sean
>
PS... I was a "gear-head" in a former life, so i can speak that language too : )