| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 15VDC FROM RECORDER UNIT; TEST AND ERASE SWITCHES; SIGNAL LEVEL, PASS AND FAIL INDICATORS; 5VDC OR 28VDC LIGHTING; 600 OHM HEADPHONE OUTPUT JACK; AREA MIC INPUT: 20 KOHMS IMPEDANCE AUDIO INPUT, 3 MV AUDIO INPUT LEVEL, 30DB AUTO GAIN CONTROL; AREA MIC OUTPUT: 150 OHMS IMPEDANCE, 500 MV OUTPUT LEVEL, 150 TO 10,000 HERTZ FREQUENCY RESPONSE, FILTER IS CUTOFF FREQUENCY SELECTABBLE 1000 HZ, 18DB/OCTAVE ROLLOFF, 6,12,24 DB STEP ATTENUATION STRAPPING |