DVC subwoofers

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You can drive one coil. Power handling (thermal) will suffer, it will NOT be cut in half though as some may try and tell you. You will have a change in the drivers electrical Q also, but you can use/exploit this by either shorting or putting a variable resistance on the un-driven coil. You could have a driver with a variable Q.

Or just run the coils in series and see how you like it....
 
I wouldn't do that. You give up half of the BL that way. The only situation I can think of where that would be a good idea is perhaps with dipole use where the higher Qts would be desirable, and where little power handling is required.

Instead, I suggest either accept the limited power, or use a different amp, such as a 2 channel power amp that can be bridged into an 8 ohm load. The behringer A500 will put out 500w bridged mono into 8 ohms, more than you need.
 
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