Red light indicates tweeter fuse blown. Yellow light indicates maximum power level. Black grille cloth. Red and yellow level indicator lights at bottom right. Red light indicates tweeter fuse blown.
Yellow light indicates maximum power level.
Main and tweeter fuses are located at the back of the cabinet. This was the last of the systems that required the MQ101 or MQ102 equalizer for flat low frequency response. Black grille cloth. Red and yellow level indicator lights at bottom right. Red light indicates tweeter fuse blown.