An adjustment to the speaker impedances enables higher output power to various speakers of different impedance. In a conventional amplifier which is designed for 4 ohm speaker impedance, the output power will drop sharply when using 6 or 8 ohms.
BACKGROUND AND AIMS: Hirschsprung disease is considered to be curable when performing definitive surgery. However, the postoperative bowel function is not always satisfactory. The long-term postoperative function of bowel evacuation and the quality of life of such patients are considered to be important.ACKGROUND AND AIMS: Hirschsprung disease is considered to be curable when performing definitive surgery. However, the postoperative bowel function is not always satisfactory. The long-term postoperative function of bowel evacuation and the quality of life of such patients are considered to be important.
Reduced penetrance in some genetic disorders may also depend on genetic background of gene carriers. In Hirschsprung disease (HSCR), although the presence of RET mutations is sufficient to explain HSCR inheritance, a genome scan reveals that new susceptibility locus on 9q-31 is also required to cause the disease [20] .