| GENERAL CHARACTERISTICS ITEM DESCRIPTION | INPUT IMPEDANCE 500 OHMS,MICROPHONE IMPEDANCE 10000 OHMS,OUTPUT IMPEDANCE 100 OHMS,FREQUENCY RESPONSE 300 HZ TO 3 KHZ,OPERATING TEMPERATURE RANGE 0 DEG C TO P50 DEG C,POWER REQUIREMENTS M18 VDC 30 MA,P18 VDC 37 MA,P30 VDC 3 MA,0/A DIM 14.470 IN. DEEP,4.844 IN. LG,1.000 IN. W |