Model PD-5VH is a 40-watt driver with 2" voice coil machined to optimum tolerances. Model PD-5VH has an Alnico V-DG magnet which offers maximum temperature stability and optimizes output for yielding the lowest amplifier power requirements. It also provides terminals for matching direct to the 16 ohm voice coil. PD-5VH offers a plane wave frequency response of 110 - 4,100 Hz (+5dB).The durable compression driver mounts easily to large format horns that terminate in the standard 1 3/8"-"18 male coupling thread. Units are finished in grey, baked epoxy.