The Doctor caught the device the girltossed down. "I am not sure you know what I..." He realized what the ingenious little machine did "Perfect!"
The clockwork machine worked like a capacitor, storing a charge and releasing it quickly. It could take the power the TARDIS was generating let it build then release it, magnified in a pulse.
The Doctor installed the clever girls machine in line between the dish, and the TARDIS. He began building another sound wave to fire up through the dish.