DCR (Voice Coil Resistance) Test Results Voice coil resistance (DCR) is checked on every driver to make sure it is within spec.
POLK AUDIO TSX-220B SPEAKER PART 6.5″ WOOFER W BEZEL 160W1203 2 OF 2 AVAILABLE
DCR (Voice Coil Resistance) Test Results Voice coil resistance (DCR) is checked on every driver to make sure it is within spec.
POLK AUDIO TSX-220B SPEAKER GRILLS IN EXCELLENT CONDITION
DCR (Voice Coil Resistance) Test Results Voice coil resistance (DCR) is checked on every driver to make sure it is within spec. This driver was swept with a tone generator from 20Hz to 400Hz and was monitored for audible sound quality.