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"The quality of the work was excellent! The sound quality was beyond my wildest expectations and the quality of the cover art was beyond excellent! I loved the fact that they inform you of the status of the service from the time they receive the records to the time they are ready to ship with tracking information! I have already sent more orders ..."

Dynamic speaker

Also termed a moving-coil speaker. The moving diaphragm is attached to a coil, which is conductively connected to the source of electric energy and placed in a constant magnetic field. The current through the coil interacts with the magnetic field, causing the coil and diaphragm to move back and forth in accordance with the current variations through the coil.